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zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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/* crypto/rsa/rsa.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_RSA_H
# define HEADER_RSA_H
# include <openssl/asn1.h>
# ifndef OPENSSL_NO_BIO
# include <openssl/bio.h>
# endif
# include <openssl/crypto.h>
# include <openssl/ossl_typ.h>
# ifndef OPENSSL_NO_DEPRECATED
# include <openssl/bn.h>
# endif
# ifdef OPENSSL_NO_RSA
# error RSA is disabled.
# endif
#ifdef __cplusplus
extern "C" {
#endif
/* Declared already in ossl_typ.h */
/* typedef struct rsa_st RSA; */
/* typedef struct rsa_meth_st RSA_METHOD; */
struct rsa_meth_st {
const char *name;
int (*rsa_pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
/* Can be null */
int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
/* Can be null */
int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* called at new */
int (*init) (RSA *rsa);
/* called at free */
int (*finish) (RSA *rsa);
/* RSA_METHOD_FLAG_* things */
int flags;
/* may be needed! */
char *app_data;
/*
* New sign and verify functions: some libraries don't allow arbitrary
* data to be signed/verified: this allows them to be used. Note: for
* this to work the RSA_public_decrypt() and RSA_private_encrypt() should
* *NOT* be used RSA_sign(), RSA_verify() should be used instead. Note:
* for backwards compatibility this functionality is only enabled if the
* RSA_FLAG_SIGN_VER option is set in 'flags'.
*/
int (*rsa_sign) (int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa);
int (*rsa_verify) (int dtype, const unsigned char *m,
unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa);
/*
* If this callback is NULL, the builtin software RSA key-gen will be
* used. This is for behavioural compatibility whilst the code gets
* rewired, but one day it would be nice to assume there are no such
* things as "builtin software" implementations.
*/
int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
};
struct rsa_st {
/*
* The first parameter is used to pickup errors where this is passed
* instead of aEVP_PKEY, it is set to 0
*/
int pad;
long version;
const RSA_METHOD *meth;
/* functional reference if 'meth' is ENGINE-provided */
ENGINE *engine;
BIGNUM *n;
BIGNUM *e;
BIGNUM *d;
BIGNUM *p;
BIGNUM *q;
BIGNUM *dmp1;
BIGNUM *dmq1;
BIGNUM *iqmp;
/* be careful using this if the RSA structure is shared */
CRYPTO_EX_DATA ex_data;
int references;
int flags;
/* Used to cache montgomery values */
BN_MONT_CTX *_method_mod_n;
BN_MONT_CTX *_method_mod_p;
BN_MONT_CTX *_method_mod_q;
/*
* all BIGNUM values are actually in the following data, if it is not
* NULL
*/
char *bignum_data;
BN_BLINDING *blinding;
BN_BLINDING *mt_blinding;
};
# ifndef OPENSSL_RSA_MAX_MODULUS_BITS
# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
# endif
# ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
# endif
# ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
/* exponent limit enforced for "large" modulus only */
# define OPENSSL_RSA_MAX_PUBEXP_BITS 64
# endif
# define RSA_3 0x3L
# define RSA_F4 0x10001L
# define RSA_METHOD_FLAG_NO_CHECK 0x0001/* don't check pub/private
* match */
# define RSA_FLAG_CACHE_PUBLIC 0x0002
# define RSA_FLAG_CACHE_PRIVATE 0x0004
# define RSA_FLAG_BLINDING 0x0008
# define RSA_FLAG_THREAD_SAFE 0x0010
/*
* This flag means the private key operations will be handled by rsa_mod_exp
* and that they do not depend on the private key components being present:
* for example a key stored in external hardware. Without this flag
* bn_mod_exp gets called when private key components are absent.
*/
# define RSA_FLAG_EXT_PKEY 0x0020
/*
* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify
* functions.
*/
# define RSA_FLAG_SIGN_VER 0x0040
/*
* new with 0.9.6j and 0.9.7b; the built-in
* RSA implementation now uses blinding by
* default (ignoring RSA_FLAG_BLINDING),
* but other engines might not need it
*/
# define RSA_FLAG_NO_BLINDING 0x0080
/*
* new with 0.9.8f; the built-in RSA
* implementation now uses constant time
* operations by default in private key operations,
* e.g., constant time modular exponentiation,
* modular inverse without leaking branches,
* division without leaking branches. This
* flag disables these constant time
* operations and results in faster RSA
* private key operations.
*/
# define RSA_FLAG_NO_CONSTTIME 0x0100
# ifdef OPENSSL_USE_DEPRECATED
/* deprecated name for the flag*/
/*
* new with 0.9.7h; the built-in RSA
* implementation now uses constant time
* modular exponentiation for secret exponents
* by default. This flag causes the
* faster variable sliding window method to
* be used for all exponents.
*/
# define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
# endif
# define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
pad, NULL)
# define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
# define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
(EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
len, NULL)
# define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
(EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
0, plen)
# define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
# define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
# define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
# define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
# define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
# define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
# define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
# define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
# define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
# define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
# define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
# define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
# define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
# define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
# define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
# define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
# define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
# define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
# define RSA_PKCS1_PADDING 1
# define RSA_SSLV23_PADDING 2
# define RSA_NO_PADDING 3
# define RSA_PKCS1_OAEP_PADDING 4
# define RSA_X931_PADDING 5
/* EVP_PKEY_ only */
# define RSA_PKCS1_PSS_PADDING 6
# define RSA_PKCS1_PADDING_SIZE 11
# define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
# define RSA_get_app_data(s) RSA_get_ex_data(s,0)
RSA *RSA_new(void);
RSA *RSA_new_method(ENGINE *engine);
int RSA_size(const RSA *rsa);
/* Deprecated version */
# ifndef OPENSSL_NO_DEPRECATED
RSA *RSA_generate_key(int bits, unsigned long e, void
(*callback) (int, int, void *), void *cb_arg);
# endif /* !defined(OPENSSL_NO_DEPRECATED) */
/* New version */
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
int RSA_check_key(const RSA *);
/* next 4 return -1 on error */
int RSA_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
void RSA_free(RSA *r);
/* "up" the RSA object's reference count */
int RSA_up_ref(RSA *r);
int RSA_flags(const RSA *r);
void RSA_set_default_method(const RSA_METHOD *meth);
const RSA_METHOD *RSA_get_default_method(void);
const RSA_METHOD *RSA_get_method(const RSA *rsa);
int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
/* This function needs the memory locking malloc callbacks to be installed */
int RSA_memory_lock(RSA *r);
/* these are the actual SSLeay RSA functions */
const RSA_METHOD *RSA_PKCS1_SSLeay(void);
const RSA_METHOD *RSA_null_method(void);
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
typedef struct rsa_pss_params_st {
X509_ALGOR *hashAlgorithm;
X509_ALGOR *maskGenAlgorithm;
ASN1_INTEGER *saltLength;
ASN1_INTEGER *trailerField;
} RSA_PSS_PARAMS;
DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
typedef struct rsa_oaep_params_st {
X509_ALGOR *hashFunc;
X509_ALGOR *maskGenFunc;
X509_ALGOR *pSourceFunc;
} RSA_OAEP_PARAMS;
DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
# ifndef OPENSSL_NO_FP_API
int RSA_print_fp(FILE *fp, const RSA *r, int offset);
# endif
# ifndef OPENSSL_NO_BIO
int RSA_print(BIO *bp, const RSA *r, int offset);
# endif
# ifndef OPENSSL_NO_RC4
int i2d_RSA_NET(const RSA *a, unsigned char **pp,
int (*cb) (char *buf, int len, const char *prompt,
int verify), int sgckey);
RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
int (*cb) (char *buf, int len, const char *prompt,
int verify), int sgckey);
int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
int (*cb) (char *buf, int len, const char *prompt,
int verify));
RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
int (*cb) (char *buf, int len, const char *prompt,
int verify));
# endif
/*
* The following 2 functions sign and verify a X509_SIG ASN1 object inside
* PKCS#1 padded RSA encryption
*/
int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
/*
* The following 2 function sign and verify a ASN1_OCTET_STRING object inside
* PKCS#1 padded RSA encryption
*/
int RSA_sign_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
RSA *rsa);
int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
unsigned int m_length, unsigned char *sigbuf,
unsigned int siglen, RSA *rsa);
int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
void RSA_blinding_off(RSA *rsa);
BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
const unsigned char *f, int fl,
int rsa_len);
int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
const unsigned char *f, int fl,
int rsa_len);
int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
long seedlen, const EVP_MD *dgst);
int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
const unsigned char *f, int fl,
const unsigned char *p, int pl);
int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len,
const unsigned char *p, int pl);
int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
const unsigned char *from, int flen,
const unsigned char *param, int plen,
const EVP_MD *md, const EVP_MD *mgf1md);
int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
const unsigned char *from, int flen,
int num, const unsigned char *param,
int plen, const EVP_MD *md,
const EVP_MD *mgf1md);
int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
const unsigned char *f, int fl);
int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
int fl);
int RSA_padding_check_none(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
int fl);
int RSA_padding_check_X931(unsigned char *to, int tlen,
const unsigned char *f, int fl, int rsa_len);
int RSA_X931_hash_id(int nid);
int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const unsigned char *EM,
int sLen);
int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
const unsigned char *mHash, const EVP_MD *Hash,
int sLen);
int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
const EVP_MD *Hash, const EVP_MD *mgf1Hash,
const unsigned char *EM, int sLen);
int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
const unsigned char *mHash,
const EVP_MD *Hash, const EVP_MD *mgf1Hash,
int sLen);
int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
int RSA_set_ex_data(RSA *r, int idx, void *arg);
void *RSA_get_ex_data(const RSA *r, int idx);
RSA *RSAPublicKey_dup(RSA *rsa);
RSA *RSAPrivateKey_dup(RSA *rsa);
/*
* If this flag is set the RSA method is FIPS compliant and can be used in
* FIPS mode. This is set in the validated module method. If an application
* sets this flag in its own methods it is its responsibility to ensure the
* result is compliant.
*/
# define RSA_FLAG_FIPS_METHOD 0x0400
/*
* If this flag is set the operations normally disabled in FIPS mode are
* permitted it is then the applications responsibility to ensure that the
* usage is compliant.
*/
# define RSA_FLAG_NON_FIPS_ALLOW 0x0400
/*
* Application has decided PRNG is good enough to generate a key: don't
* check.
*/
# define RSA_FLAG_CHECKED 0x0800
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_RSA_strings(void);
/* Error codes for the RSA functions. */
/* Function codes. */
# define RSA_F_CHECK_PADDING_MD 140
# define RSA_F_DO_RSA_PRINT 146
# define RSA_F_INT_RSA_VERIFY 145
# define RSA_F_MEMORY_LOCK 100
# define RSA_F_OLD_RSA_PRIV_DECODE 147
# define RSA_F_PKEY_RSA_CTRL 143
# define RSA_F_PKEY_RSA_CTRL_STR 144
# define RSA_F_PKEY_RSA_SIGN 142
# define RSA_F_PKEY_RSA_VERIFY 154
# define RSA_F_PKEY_RSA_VERIFYRECOVER 141
# define RSA_F_RSA_ALGOR_TO_MD 157
# define RSA_F_RSA_BUILTIN_KEYGEN 129
# define RSA_F_RSA_CHECK_KEY 123
# define RSA_F_RSA_CMS_DECRYPT 158
# define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
# define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
# define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
# define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
# define RSA_F_RSA_GENERATE_KEY 105
# define RSA_F_RSA_GENERATE_KEY_EX 155
# define RSA_F_RSA_ITEM_VERIFY 156
# define RSA_F_RSA_MEMORY_LOCK 130
# define RSA_F_RSA_MGF1_TO_MD 159
# define RSA_F_RSA_NEW_METHOD 106
# define RSA_F_RSA_NULL 124
# define RSA_F_RSA_NULL_MOD_EXP 131
# define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
# define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
# define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
# define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
# define RSA_F_RSA_PADDING_ADD_NONE 107
# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1 160
# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148
# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
# define RSA_F_RSA_PADDING_ADD_SSLV23 110
# define RSA_F_RSA_PADDING_ADD_X931 127
# define RSA_F_RSA_PADDING_CHECK_NONE 111
# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1 161
# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
# define RSA_F_RSA_PADDING_CHECK_SSLV23 114
# define RSA_F_RSA_PADDING_CHECK_X931 128
# define RSA_F_RSA_PRINT 115
# define RSA_F_RSA_PRINT_FP 116
# define RSA_F_RSA_PRIVATE_DECRYPT 150
# define RSA_F_RSA_PRIVATE_ENCRYPT 151
# define RSA_F_RSA_PRIV_DECODE 137
# define RSA_F_RSA_PRIV_ENCODE 138
# define RSA_F_RSA_PSS_TO_CTX 162
# define RSA_F_RSA_PUBLIC_DECRYPT 152
# define RSA_F_RSA_PUBLIC_ENCRYPT 153
# define RSA_F_RSA_PUB_DECODE 139
# define RSA_F_RSA_SETUP_BLINDING 136
# define RSA_F_RSA_SIGN 117
# define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
# define RSA_F_RSA_VERIFY 119
# define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
# define RSA_F_RSA_VERIFY_PKCS1_PSS 126
# define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149
/* Reason codes. */
# define RSA_R_ALGORITHM_MISMATCH 100
# define RSA_R_BAD_E_VALUE 101
# define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
# define RSA_R_BAD_PAD_BYTE_COUNT 103
# define RSA_R_BAD_SIGNATURE 104
# define RSA_R_BLOCK_TYPE_IS_NOT_01 106
# define RSA_R_BLOCK_TYPE_IS_NOT_02 107
# define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
# define RSA_R_DATA_TOO_LARGE 109
# define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
# define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
# define RSA_R_DATA_TOO_SMALL 111
# define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
# define RSA_R_DIGEST_DOES_NOT_MATCH 166
# define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
# define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
# define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
# define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
# define RSA_R_FIRST_OCTET_INVALID 133
# define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
# define RSA_R_INVALID_DIGEST 160
# define RSA_R_INVALID_DIGEST_LENGTH 143
# define RSA_R_INVALID_HEADER 137
# define RSA_R_INVALID_KEYBITS 145
# define RSA_R_INVALID_LABEL 161
# define RSA_R_INVALID_MESSAGE_LENGTH 131
# define RSA_R_INVALID_MGF1_MD 156
# define RSA_R_INVALID_OAEP_PARAMETERS 162
# define RSA_R_INVALID_PADDING 138
# define RSA_R_INVALID_PADDING_MODE 141
# define RSA_R_INVALID_PSS_PARAMETERS 149
# define RSA_R_INVALID_PSS_SALTLEN 146
# define RSA_R_INVALID_SALT_LENGTH 150
# define RSA_R_INVALID_TRAILER 139
# define RSA_R_INVALID_X931_DIGEST 142
# define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
# define RSA_R_KEY_SIZE_TOO_SMALL 120
# define RSA_R_LAST_OCTET_INVALID 134
# define RSA_R_MODULUS_TOO_LARGE 105
# define RSA_R_NON_FIPS_RSA_METHOD 157
# define RSA_R_NO_PUBLIC_EXPONENT 140
# define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
# define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
# define RSA_R_OAEP_DECODING_ERROR 121
# define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158
# define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148
# define RSA_R_PADDING_CHECK_FAILED 114
# define RSA_R_PKCS_DECODING_ERROR 159
# define RSA_R_P_NOT_PRIME 128
# define RSA_R_Q_NOT_PRIME 129
# define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
# define RSA_R_SLEN_CHECK_FAILED 136
# define RSA_R_SLEN_RECOVERY_FAILED 135
# define RSA_R_SSLV3_ROLLBACK_ATTACK 115
# define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
# define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
# define RSA_R_UNKNOWN_DIGEST 163
# define RSA_R_UNKNOWN_MASK_DIGEST 151
# define RSA_R_UNKNOWN_PADDING_TYPE 118
# define RSA_R_UNKNOWN_PSS_DIGEST 152
# define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 164
# define RSA_R_UNSUPPORTED_LABEL_SOURCE 165
# define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153
# define RSA_R_UNSUPPORTED_MASK_PARAMETER 154
# define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155
# define RSA_R_VALUE_MISSING 147
# define RSA_R_WRONG_SIGNATURE_LENGTH 119
#ifdef __cplusplus
}
#endif
#endif

221
crypto/rsa/rsa_ameth.c
View File

@@ -1,21 +1,72 @@
/* crypto/rsa/rsa_ameth.c */
/*
* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/cms.h>
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
#include "rsa_locl.h"
#ifndef OPENSSL_NO_CMS
# include <openssl/cms.h>
#endif
#include "asn1_locl.h"
#ifndef OPENSSL_NO_CMS
static int rsa_cms_sign(CMS_SignerInfo *si);
@@ -44,10 +95,9 @@ static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
const unsigned char *p;
int pklen;
RSA *rsa = NULL;
if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
return 0;
if ((rsa = d2i_RSAPublicKey(NULL, &p, pklen)) == NULL) {
if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen))) {
RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
return 0;
}
@@ -67,8 +117,7 @@ static int old_rsa_priv_decode(EVP_PKEY *pkey,
const unsigned char **pder, int derlen)
{
RSA *rsa;
if ((rsa = d2i_RSAPrivateKey(NULL, pder, derlen)) == NULL) {
if (!(rsa = d2i_RSAPrivateKey(NULL, pder, derlen))) {
RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
return 0;
}
@@ -101,7 +150,7 @@ static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
return 1;
}
static int rsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
const unsigned char *p;
int pklen;
@@ -120,21 +169,45 @@ static int rsa_bits(const EVP_PKEY *pkey)
return BN_num_bits(pkey->pkey.rsa->n);
}
static int rsa_security_bits(const EVP_PKEY *pkey)
{
return RSA_security_bits(pkey->pkey.rsa);
}
static void int_rsa_free(EVP_PKEY *pkey)
{
RSA_free(pkey->pkey.rsa);
}
static void update_buflen(const BIGNUM *b, size_t *pbuflen)
{
size_t i;
if (!b)
return;
if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
*pbuflen = i;
}
static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
{
char *str;
const char *s;
unsigned char *m = NULL;
int ret = 0, mod_len = 0;
size_t buf_len = 0;
update_buflen(x->n, &buf_len);
update_buflen(x->e, &buf_len);
if (priv) {
update_buflen(x->d, &buf_len);
update_buflen(x->p, &buf_len);
update_buflen(x->q, &buf_len);
update_buflen(x->dmp1, &buf_len);
update_buflen(x->dmq1, &buf_len);
update_buflen(x->iqmp, &buf_len);
}
m = (unsigned char *)OPENSSL_malloc(buf_len + 10);
if (m == NULL) {
RSAerr(RSA_F_DO_RSA_PRINT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (x->n != NULL)
mod_len = BN_num_bits(x->n);
@@ -143,36 +216,40 @@ static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
goto err;
if (priv && x->d) {
if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len) <= 0)
if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len)
<= 0)
goto err;
str = "modulus:";
s = "publicExponent:";
} else {
if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len) <= 0)
if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len)
<= 0)
goto err;
str = "Modulus:";
s = "Exponent:";
}
if (!ASN1_bn_print(bp, str, x->n, NULL, off))
if (!ASN1_bn_print(bp, str, x->n, m, off))
goto err;
if (!ASN1_bn_print(bp, s, x->e, NULL, off))
if (!ASN1_bn_print(bp, s, x->e, m, off))
goto err;
if (priv) {
if (!ASN1_bn_print(bp, "privateExponent:", x->d, NULL, off))
if (!ASN1_bn_print(bp, "privateExponent:", x->d, m, off))
goto err;
if (!ASN1_bn_print(bp, "prime1:", x->p, NULL, off))
if (!ASN1_bn_print(bp, "prime1:", x->p, m, off))
goto err;
if (!ASN1_bn_print(bp, "prime2:", x->q, NULL, off))
if (!ASN1_bn_print(bp, "prime2:", x->q, m, off))
goto err;
if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, NULL, off))
if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, m, off))
goto err;
if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, NULL, off))
if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, m, off))
goto err;
if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, NULL, off))
if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, m, off))
goto err;
}
ret = 1;
err:
if (m != NULL)
OPENSSL_free(m);
return (ret);
}
@@ -191,23 +268,34 @@ static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
/* Given an MGF1 Algorithm ID decode to an Algorithm Identifier */
static X509_ALGOR *rsa_mgf1_decode(X509_ALGOR *alg)
{
if (alg == NULL)
const unsigned char *p;
int plen;
if (alg == NULL || alg->parameter == NULL)
return NULL;
if (OBJ_obj2nid(alg->algorithm) != NID_mgf1)
return NULL;
return ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(X509_ALGOR),
alg->parameter);
if (alg->parameter->type != V_ASN1_SEQUENCE)
return NULL;
p = alg->parameter->value.sequence->data;
plen = alg->parameter->value.sequence->length;
return d2i_X509_ALGOR(NULL, &p, plen);
}
static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg,
X509_ALGOR **pmaskHash)
{
const unsigned char *p;
int plen;
RSA_PSS_PARAMS *pss;
*pmaskHash = NULL;
pss = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(RSA_PSS_PARAMS),
alg->parameter);
if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE)
return NULL;
p = alg->parameter->value.sequence->data;
plen = alg->parameter->value.sequence->length;
pss = d2i_RSA_PSS_PARAMS(NULL, &p, plen);
if (!pss)
return NULL;
@@ -299,8 +387,10 @@ static int rsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
X509_ALGOR *maskHash;
pss = rsa_pss_decode(sigalg, &maskHash);
rv = rsa_pss_param_print(bp, pss, maskHash, indent);
RSA_PSS_PARAMS_free(pss);
X509_ALGOR_free(maskHash);
if (pss)
RSA_PSS_PARAMS_free(pss);
if (maskHash)
X509_ALGOR_free(maskHash);
if (!rv)
return 0;
} else if (!sig && BIO_puts(bp, "\n") <= 0)
@@ -366,7 +456,7 @@ static int rsa_md_to_algor(X509_ALGOR **palg, const EVP_MD *md)
if (EVP_MD_type(md) == NID_sha1)
return 1;
*palg = X509_ALGOR_new();
if (*palg == NULL)
if (!*palg)
return 0;
X509_ALGOR_set_md(*palg, md);
return 1;
@@ -386,13 +476,15 @@ static int rsa_md_to_mgf1(X509_ALGOR **palg, const EVP_MD *mgf1md)
if (!ASN1_item_pack(algtmp, ASN1_ITEM_rptr(X509_ALGOR), &stmp))
goto err;
*palg = X509_ALGOR_new();
if (*palg == NULL)
if (!*palg)
goto err;
X509_ALGOR_set0(*palg, OBJ_nid2obj(NID_mgf1), V_ASN1_SEQUENCE, stmp);
stmp = NULL;
err:
ASN1_STRING_free(stmp);
X509_ALGOR_free(algtmp);
if (stmp)
ASN1_STRING_free(stmp);
if (algtmp)
X509_ALGOR_free(algtmp);
if (*palg)
return 1;
return 0;
@@ -459,11 +551,11 @@ static ASN1_STRING *rsa_ctx_to_pss(EVP_PKEY_CTX *pkctx)
saltlen--;
}
pss = RSA_PSS_PARAMS_new();
if (pss == NULL)
if (!pss)
goto err;
if (saltlen != 20) {
pss->saltLength = ASN1_INTEGER_new();
if (pss->saltLength == NULL)
if (!pss->saltLength)
goto err;
if (!ASN1_INTEGER_set(pss->saltLength, saltlen))
goto err;
@@ -477,16 +569,18 @@ static ASN1_STRING *rsa_ctx_to_pss(EVP_PKEY_CTX *pkctx)
goto err;
rv = 1;
err:
RSA_PSS_PARAMS_free(pss);
if (pss)
RSA_PSS_PARAMS_free(pss);
if (rv)
return os;
ASN1_STRING_free(os);
if (os)
ASN1_STRING_free(os);
return NULL;
}
/*
* From PSS AlgorithmIdentifier set public key parameters. If pkey isn't NULL
* then the EVP_MD_CTX is setup and initialised. If it is NULL parameters are
* then the EVP_MD_CTX is setup and initalised. If it is NULL parameters are
* passed to pkctx instead.
*/
@@ -568,7 +662,8 @@ static int rsa_pss_to_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pkctx,
err:
RSA_PSS_PARAMS_free(pss);
X509_ALGOR_free(maskHash);
if (maskHash)
X509_ALGOR_free(maskHash);
return rv;
}
@@ -646,7 +741,7 @@ static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
ASN1_BIT_STRING *sig)
{
int pad_mode;
EVP_PKEY_CTX *pkctx = EVP_MD_CTX_pkey_ctx(ctx);
EVP_PKEY_CTX *pkctx = ctx->pctx;
if (EVP_PKEY_CTX_get_rsa_padding(pkctx, &pad_mode) <= 0)
return 0;
if (pad_mode == RSA_PKCS1_PADDING)
@@ -677,12 +772,17 @@ static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
static RSA_OAEP_PARAMS *rsa_oaep_decode(const X509_ALGOR *alg,
X509_ALGOR **pmaskHash)
{
const unsigned char *p;
int plen;
RSA_OAEP_PARAMS *pss;
*pmaskHash = NULL;
pss = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(RSA_OAEP_PARAMS),
alg->parameter);
if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE)
return NULL;
p = alg->parameter->value.sequence->data;
plen = alg->parameter->value.sequence->length;
pss = d2i_RSA_OAEP_PARAMS(NULL, &p, plen);
if (!pss)
return NULL;
@@ -760,7 +860,8 @@ static int rsa_cms_decrypt(CMS_RecipientInfo *ri)
err:
RSA_OAEP_PARAMS_free(oaep);
X509_ALGOR_free(maskHash);
if (maskHash)
X509_ALGOR_free(maskHash);
return rv;
}
@@ -793,19 +894,18 @@ static int rsa_cms_encrypt(CMS_RecipientInfo *ri)
if (labellen < 0)
goto err;
oaep = RSA_OAEP_PARAMS_new();
if (oaep == NULL)
if (!oaep)
goto err;
if (!rsa_md_to_algor(&oaep->hashFunc, md))
goto err;
if (!rsa_md_to_mgf1(&oaep->maskGenFunc, mgf1md))
goto err;
if (labellen > 0) {
ASN1_OCTET_STRING *los;
ASN1_OCTET_STRING *los = ASN1_OCTET_STRING_new();
oaep->pSourceFunc = X509_ALGOR_new();
if (oaep->pSourceFunc == NULL)
if (!oaep->pSourceFunc)
goto err;
los = ASN1_OCTET_STRING_new();
if (los == NULL)
if (!los)
goto err;
if (!ASN1_OCTET_STRING_set(los, label, labellen)) {
ASN1_OCTET_STRING_free(los);
@@ -821,13 +921,15 @@ static int rsa_cms_encrypt(CMS_RecipientInfo *ri)
os = NULL;
rv = 1;
err:
RSA_OAEP_PARAMS_free(oaep);
ASN1_STRING_free(os);
if (oaep)
RSA_OAEP_PARAMS_free(oaep);
if (os)
ASN1_STRING_free(os);
return rv;
}
#endif
const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2] = {
const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = {
{
EVP_PKEY_RSA,
EVP_PKEY_RSA,
@@ -847,7 +949,6 @@ const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2] = {
int_rsa_size,
rsa_bits,
rsa_security_bits,
0, 0, 0, 0, 0, 0,

78
crypto/rsa/rsa_asn1.c
View File

@@ -1,18 +1,68 @@
/* rsa_asn1.c */
/*
* Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2000.
*/
/* ====================================================================
* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/asn1t.h>
#include "rsa_locl.h"
/* Override the default free and new methods */
static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
@@ -20,7 +70,7 @@ static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
{
if (operation == ASN1_OP_NEW_PRE) {
*pval = (ASN1_VALUE *)RSA_new();
if (*pval != NULL)
if (*pval)
return 2;
return 0;
} else if (operation == ASN1_OP_FREE_PRE) {
@@ -35,12 +85,12 @@ ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
ASN1_SIMPLE(RSA, version, LONG),
ASN1_SIMPLE(RSA, n, BIGNUM),
ASN1_SIMPLE(RSA, e, BIGNUM),
ASN1_SIMPLE(RSA, d, CBIGNUM),
ASN1_SIMPLE(RSA, p, CBIGNUM),
ASN1_SIMPLE(RSA, q, CBIGNUM),
ASN1_SIMPLE(RSA, dmp1, CBIGNUM),
ASN1_SIMPLE(RSA, dmq1, CBIGNUM),
ASN1_SIMPLE(RSA, iqmp, CBIGNUM)
ASN1_SIMPLE(RSA, d, BIGNUM),
ASN1_SIMPLE(RSA, p, BIGNUM),
ASN1_SIMPLE(RSA, q, BIGNUM),
ASN1_SIMPLE(RSA, dmp1, BIGNUM),
ASN1_SIMPLE(RSA, dmq1, BIGNUM),
ASN1_SIMPLE(RSA, iqmp, BIGNUM)
} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)

89
crypto/rsa/rsa_chk.c
View File

@@ -1,30 +1,65 @@
/*
* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_chk.c */
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#include <openssl/bn.h>
#include <openssl/err.h>
#include "rsa_locl.h"
#include <openssl/rsa.h>
int RSA_check_key(const RSA *key)
{
return RSA_check_key_ex(key, NULL);
}
int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
{
BIGNUM *i, *j, *k, *l, *m;
BN_CTX *ctx;
int ret = 1;
if (key->p == NULL || key->q == NULL || key->n == NULL
|| key->e == NULL || key->d == NULL) {
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_VALUE_MISSING);
if (!key->p || !key->q || !key->n || !key->e || !key->d) {
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_VALUE_MISSING);
return 0;
}
@@ -37,29 +72,29 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
if (i == NULL || j == NULL || k == NULL || l == NULL
|| m == NULL || ctx == NULL) {
ret = -1;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, ERR_R_MALLOC_FAILURE);
RSAerr(RSA_F_RSA_CHECK_KEY, ERR_R_MALLOC_FAILURE);
goto err;
}
if (BN_is_one(key->e)) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_BAD_E_VALUE);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_BAD_E_VALUE);
}
if (!BN_is_odd(key->e)) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_BAD_E_VALUE);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_BAD_E_VALUE);
}
/* p prime? */
if (BN_is_prime_ex(key->p, BN_prime_checks, NULL, cb) != 1) {
if (BN_is_prime_ex(key->p, BN_prime_checks, NULL, NULL) != 1) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_P_NOT_PRIME);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_P_NOT_PRIME);
}
/* q prime? */
if (BN_is_prime_ex(key->q, BN_prime_checks, NULL, cb) != 1) {
if (BN_is_prime_ex(key->q, BN_prime_checks, NULL, NULL) != 1) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_Q_NOT_PRIME);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_Q_NOT_PRIME);
}
/* n = p*q? */
@@ -69,7 +104,7 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
}
if (BN_cmp(i, key->n) != 0) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_N_DOES_NOT_EQUAL_P_Q);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_N_DOES_NOT_EQUAL_P_Q);
}
/* d*e = 1 mod lcm(p-1,q-1)? */
@@ -102,7 +137,7 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
if (!BN_is_one(i)) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_D_E_NOT_CONGRUENT_TO_1);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_D_E_NOT_CONGRUENT_TO_1);
}
if (key->dmp1 != NULL && key->dmq1 != NULL && key->iqmp != NULL) {
@@ -117,7 +152,7 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
}
if (BN_cmp(j, key->dmp1) != 0) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMP1_NOT_CONGRUENT_TO_D);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_DMP1_NOT_CONGRUENT_TO_D);
}
/* dmq1 = d mod (q-1)? */
@@ -131,7 +166,7 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
}
if (BN_cmp(j, key->dmq1) != 0) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_DMQ1_NOT_CONGRUENT_TO_D);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_DMQ1_NOT_CONGRUENT_TO_D);
}
/* iqmp = q^-1 mod p? */
@@ -141,7 +176,7 @@ int RSA_check_key_ex(const RSA *key, BN_GENCB *cb)
}
if (BN_cmp(i, key->iqmp) != 0) {
ret = 0;
RSAerr(RSA_F_RSA_CHECK_KEY_EX, RSA_R_IQMP_NOT_INVERSE_OF_Q);
RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_IQMP_NOT_INVERSE_OF_Q);
}
}

145
crypto/rsa/rsa_crpt.c
View File

@@ -1,24 +1,71 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_lib.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <openssl/crypto.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/lhash.h>
#include "internal/bn_int.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#include "rsa_locl.h"
int RSA_bits(const RSA *r)
{
return (BN_num_bits(r->n));
}
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
int RSA_size(const RSA *r)
{
@@ -28,24 +75,52 @@ int RSA_size(const RSA *r)
int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_PUBLIC_ENCRYPT, RSA_R_NON_FIPS_RSA_METHOD);
return -1;
}
#endif
return (rsa->meth->rsa_pub_enc(flen, from, to, rsa, padding));
}
int RSA_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_PRIVATE_ENCRYPT, RSA_R_NON_FIPS_RSA_METHOD);
return -1;
}
#endif
return (rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding));
}
int RSA_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_PRIVATE_DECRYPT, RSA_R_NON_FIPS_RSA_METHOD);
return -1;
}
#endif
return (rsa->meth->rsa_priv_dec(flen, from, to, rsa, padding));
}
int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
RSA *rsa, int padding)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_PUBLIC_DECRYPT, RSA_R_NON_FIPS_RSA_METHOD);
return -1;
}
#endif
return (rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding));
}
@@ -56,8 +131,10 @@ int RSA_flags(const RSA *r)
void RSA_blinding_off(RSA *rsa)
{
BN_BLINDING_free(rsa->blinding);
rsa->blinding = NULL;
if (rsa->blinding != NULL) {
BN_BLINDING_free(rsa->blinding);
rsa->blinding = NULL;
}
rsa->flags &= ~RSA_FLAG_BLINDING;
rsa->flags |= RSA_FLAG_NO_BLINDING;
}
@@ -110,7 +187,8 @@ static BIGNUM *rsa_get_public_exp(const BIGNUM *d, const BIGNUM *p,
BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *in_ctx)
{
BIGNUM *e;
BIGNUM local_n;
BIGNUM *e, *n;
BN_CTX *ctx;
BN_BLINDING *ret = NULL;
@@ -136,42 +214,33 @@ BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *in_ctx)
} else
e = rsa->e;
if ((RAND_status() == 0) && rsa->d != NULL
&& bn_get_words(rsa->d) != NULL) {
if ((RAND_status() == 0) && rsa->d != NULL && rsa->d->d != NULL) {
/*
* if PRNG is not properly seeded, resort to secret exponent as
* unpredictable seed
*/
RAND_add(bn_get_words(rsa->d), bn_get_dmax(rsa->d) * sizeof(BN_ULONG),
0.0);
RAND_add(rsa->d->d, rsa->d->dmax * sizeof rsa->d->d[0], 0.0);
}
{
BIGNUM *n = BN_new();
if (n == NULL) {
RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
/* Set BN_FLG_CONSTTIME flag */
n = &local_n;
BN_with_flags(n, rsa->n, BN_FLG_CONSTTIME);
} else
n = rsa->n;
ret = BN_BLINDING_create_param(NULL, e, n, ctx, rsa->meth->bn_mod_exp,
rsa->_method_mod_n);
/* We MUST free n before any further use of rsa->n */
BN_free(n);
}
ret = BN_BLINDING_create_param(NULL, e, n, ctx,
rsa->meth->bn_mod_exp, rsa->_method_mod_n);
if (ret == NULL) {
RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB);
goto err;
}
BN_BLINDING_set_current_thread(ret);
CRYPTO_THREADID_current(BN_BLINDING_thread_id(ret));
err:
BN_CTX_end(ctx);
if (ctx != in_ctx)
if (in_ctx == NULL)
BN_CTX_free(ctx);
if (e != rsa->e)
if (rsa->e == NULL)
BN_free(e);
return ret;

92
crypto/rsa/rsa_depr.c
View File

@@ -1,10 +1,56 @@
/*
* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_depr.c */
/* ====================================================================
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
@@ -12,27 +58,27 @@
* "new" versions).
*/
#include <openssl/opensslconf.h>
#if OPENSSL_API_COMPAT >= 0x00908000L
NON_EMPTY_TRANSLATION_UNIT
#include <stdio.h>
#include <time.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#ifdef OPENSSL_NO_DEPRECATED
static void *dummy = &dummy;
#else
# include <stdio.h>
# include <time.h>
# include "internal/cryptlib.h"
# include <openssl/bn.h>
# include <openssl/rsa.h>
RSA *RSA_generate_key(int bits, unsigned long e_value,
void (*callback) (int, int, void *), void *cb_arg)
{
BN_GENCB cb;
int i;
BN_GENCB *cb = BN_GENCB_new();
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if (cb == NULL || rsa == NULL || e == NULL)
if (!rsa || !e)
goto err;
/*
@@ -45,17 +91,17 @@ RSA *RSA_generate_key(int bits, unsigned long e_value,
goto err;
}
BN_GENCB_set_old(cb, callback, cb_arg);
BN_GENCB_set_old(&cb, callback, cb_arg);
if (RSA_generate_key_ex(rsa, bits, e, cb)) {
if (RSA_generate_key_ex(rsa, bits, e, &cb)) {
BN_free(e);
BN_GENCB_free(cb);
return rsa;
}
err:
BN_free(e);
RSA_free(rsa);
BN_GENCB_free(cb);
if (e)
BN_free(e);
if (rsa)
RSA_free(rsa);
return 0;
}
#endif

904
crypto/rsa/rsa_eay.c Normal file
View File

@@ -0,0 +1,904 @@
/* crypto/rsa/rsa_eay.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#ifndef RSA_NULL
static int RSA_eay_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int RSA_eay_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int RSA_eay_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int RSA_eay_mod_exp(BIGNUM *r0, const BIGNUM *i, RSA *rsa,
BN_CTX *ctx);
static int RSA_eay_init(RSA *rsa);
static int RSA_eay_finish(RSA *rsa);
static RSA_METHOD rsa_pkcs1_eay_meth = {
"Eric Young's PKCS#1 RSA",
RSA_eay_public_encrypt,
RSA_eay_public_decrypt, /* signature verification */
RSA_eay_private_encrypt, /* signing */
RSA_eay_private_decrypt,
RSA_eay_mod_exp,
BN_mod_exp_mont, /* XXX probably we should not use Montgomery
* if e == 3 */
RSA_eay_init,
RSA_eay_finish,
0, /* flags */
NULL,
0, /* rsa_sign */
0, /* rsa_verify */
NULL /* rsa_keygen */
};
const RSA_METHOD *RSA_PKCS1_SSLeay(void)
{
return (&rsa_pkcs1_eay_meth);
}
static int RSA_eay_public_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret;
int i, j, k, num = 0, r = -1;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_MODULUS_TOO_LARGE);
return -1;
}
if (BN_ucmp(rsa->n, rsa->e) <= 0) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
/* for large moduli, enforce exponent limit */
if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS) {
if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (!f || !ret || !buf) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
switch (padding) {
case RSA_PKCS1_PADDING:
i = RSA_padding_add_PKCS1_type_2(buf, num, from, flen);
break;
# ifndef OPENSSL_NO_SHA
case RSA_PKCS1_OAEP_PADDING:
i = RSA_padding_add_PKCS1_OAEP(buf, num, from, flen, NULL, 0);
break;
# endif
case RSA_SSLV23_PADDING:
i = RSA_padding_add_SSLv23(buf, num, from, flen);
break;
case RSA_NO_PADDING:
i = RSA_padding_add_none(buf, num, from, flen);
break;
default:
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (i <= 0)
goto err;
if (BN_bin2bn(buf, num, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
/* usually the padding functions would catch this */
RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, rsa->e, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
/*
* put in leading 0 bytes if the number is less than the length of the
* modulus
*/
j = BN_num_bytes(ret);
i = BN_bn2bin(ret, &(to[num - j]));
for (k = 0; k < (num - i); k++)
to[k] = 0;
r = num;
err:
if (ctx != NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (buf != NULL) {
OPENSSL_cleanse(buf, num);
OPENSSL_free(buf);
}
return (r);
}
static BN_BLINDING *rsa_get_blinding(RSA *rsa, int *local, BN_CTX *ctx)
{
BN_BLINDING *ret;
int got_write_lock = 0;
CRYPTO_THREADID cur;
CRYPTO_r_lock(CRYPTO_LOCK_RSA);
if (rsa->blinding == NULL) {
CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
CRYPTO_w_lock(CRYPTO_LOCK_RSA);
got_write_lock = 1;
if (rsa->blinding == NULL)
rsa->blinding = RSA_setup_blinding(rsa, ctx);
}
ret = rsa->blinding;
if (ret == NULL)
goto err;
CRYPTO_THREADID_current(&cur);
if (!CRYPTO_THREADID_cmp(&cur, BN_BLINDING_thread_id(ret))) {
/* rsa->blinding is ours! */
*local = 1;
} else {
/* resort to rsa->mt_blinding instead */
/*
* instructs rsa_blinding_convert(), rsa_blinding_invert() that the
* BN_BLINDING is shared, meaning that accesses require locks, and
* that the blinding factor must be stored outside the BN_BLINDING
*/
*local = 0;
if (rsa->mt_blinding == NULL) {
if (!got_write_lock) {
CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
CRYPTO_w_lock(CRYPTO_LOCK_RSA);
got_write_lock = 1;
}
if (rsa->mt_blinding == NULL)
rsa->mt_blinding = RSA_setup_blinding(rsa, ctx);
}
ret = rsa->mt_blinding;
}
err:
if (got_write_lock)
CRYPTO_w_unlock(CRYPTO_LOCK_RSA);
else
CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
return ret;
}
static int rsa_blinding_convert(BN_BLINDING *b, BIGNUM *f, BIGNUM *unblind,
BN_CTX *ctx)
{
if (unblind == NULL)
/*
* Local blinding: store the unblinding factor in BN_BLINDING.
*/
return BN_BLINDING_convert_ex(f, NULL, b, ctx);
else {
/*
* Shared blinding: store the unblinding factor outside BN_BLINDING.
*/
int ret;
CRYPTO_w_lock(CRYPTO_LOCK_RSA_BLINDING);
ret = BN_BLINDING_convert_ex(f, unblind, b, ctx);
CRYPTO_w_unlock(CRYPTO_LOCK_RSA_BLINDING);
return ret;
}
}
static int rsa_blinding_invert(BN_BLINDING *b, BIGNUM *f, BIGNUM *unblind,
BN_CTX *ctx)
{
/*
* For local blinding, unblind is set to NULL, and BN_BLINDING_invert_ex
* will use the unblinding factor stored in BN_BLINDING. If BN_BLINDING
* is shared between threads, unblind must be non-null:
* BN_BLINDING_invert_ex will then use the local unblinding factor, and
* will only read the modulus from BN_BLINDING. In both cases it's safe
* to access the blinding without a lock.
*/
return BN_BLINDING_invert_ex(f, unblind, b, ctx);
}
/* signing */
static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret, *res;
int i, j, k, num = 0, r = -1;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
int local_blinding = 0;
/*
* Used only if the blinding structure is shared. A non-NULL unblind
* instructs rsa_blinding_convert() and rsa_blinding_invert() to store
* the unblinding factor outside the blinding structure.
*/
BIGNUM *unblind = NULL;
BN_BLINDING *blinding = NULL;
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (!f || !ret || !buf) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
switch (padding) {
case RSA_PKCS1_PADDING:
i = RSA_padding_add_PKCS1_type_1(buf, num, from, flen);
break;
case RSA_X931_PADDING:
i = RSA_padding_add_X931(buf, num, from, flen);
break;
case RSA_NO_PADDING:
i = RSA_padding_add_none(buf, num, from, flen);
break;
case RSA_SSLV23_PADDING:
default:
RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (i <= 0)
goto err;
if (BN_bin2bn(buf, num, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
/* usually the padding functions would catch this */
RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {
blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
if (blinding == NULL) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (blinding != NULL) {
if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!rsa_blinding_convert(blinding, f, unblind, ctx))
goto err;
}
if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||
((rsa->p != NULL) &&
(rsa->q != NULL) &&
(rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {
if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))
goto err;
} else {
BIGNUM local_d;
BIGNUM *d = NULL;
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
BN_init(&local_d);
d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
} else
d = rsa->d;
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
}
if (blinding)
if (!rsa_blinding_invert(blinding, ret, unblind, ctx))
goto err;
if (padding == RSA_X931_PADDING) {
BN_sub(f, rsa->n, ret);
if (BN_cmp(ret, f) > 0)
res = f;
else
res = ret;
} else
res = ret;
/*
* put in leading 0 bytes if the number is less than the length of the
* modulus
*/
j = BN_num_bytes(res);
i = BN_bn2bin(res, &(to[num - j]));
for (k = 0; k < (num - i); k++)
to[k] = 0;
r = num;
err:
if (ctx != NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (buf != NULL) {
OPENSSL_cleanse(buf, num);
OPENSSL_free(buf);
}
return (r);
}
static int RSA_eay_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret;
int j, num = 0, r = -1;
unsigned char *p;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
int local_blinding = 0;
/*
* Used only if the blinding structure is shared. A non-NULL unblind
* instructs rsa_blinding_convert() and rsa_blinding_invert() to store
* the unblinding factor outside the blinding structure.
*/
BIGNUM *unblind = NULL;
BN_BLINDING *blinding = NULL;
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (!f || !ret || !buf) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
/*
* This check was for equality but PGP does evil things and chops off the
* top '0' bytes
*/
if (flen > num) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,
RSA_R_DATA_GREATER_THAN_MOD_LEN);
goto err;
}
/* make data into a big number */
if (BN_bin2bn(from, (int)flen, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {
blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
if (blinding == NULL) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (blinding != NULL) {
if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!rsa_blinding_convert(blinding, f, unblind, ctx))
goto err;
}
/* do the decrypt */
if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||
((rsa->p != NULL) &&
(rsa->q != NULL) &&
(rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {
if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))
goto err;
} else {
BIGNUM local_d;
BIGNUM *d = NULL;
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
} else
d = rsa->d;
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
}
if (blinding)
if (!rsa_blinding_invert(blinding, ret, unblind, ctx))
goto err;
p = buf;
j = BN_bn2bin(ret, p); /* j is only used with no-padding mode */
switch (padding) {
case RSA_PKCS1_PADDING:
r = RSA_padding_check_PKCS1_type_2(to, num, buf, j, num);
break;
# ifndef OPENSSL_NO_SHA
case RSA_PKCS1_OAEP_PADDING:
r = RSA_padding_check_PKCS1_OAEP(to, num, buf, j, num, NULL, 0);
break;
# endif
case RSA_SSLV23_PADDING:
r = RSA_padding_check_SSLv23(to, num, buf, j, num);
break;
case RSA_NO_PADDING:
r = RSA_padding_check_none(to, num, buf, j, num);
break;
default:
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (r < 0)
RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, RSA_R_PADDING_CHECK_FAILED);
err:
if (ctx != NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (buf != NULL) {
OPENSSL_cleanse(buf, num);
OPENSSL_free(buf);
}
return (r);
}
/* signature verification */
static int RSA_eay_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
BIGNUM *f, *ret;
int i, num = 0, r = -1;
unsigned char *p;
unsigned char *buf = NULL;
BN_CTX *ctx = NULL;
if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_MODULUS_TOO_LARGE);
return -1;
}
if (BN_ucmp(rsa->n, rsa->e) <= 0) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
/* for large moduli, enforce exponent limit */
if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS) {
if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
return -1;
}
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
f = BN_CTX_get(ctx);
ret = BN_CTX_get(ctx);
num = BN_num_bytes(rsa->n);
buf = OPENSSL_malloc(num);
if (!f || !ret || !buf) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, ERR_R_MALLOC_FAILURE);
goto err;
}
/*
* This check was for equality but PGP does evil things and chops off the
* top '0' bytes
*/
if (flen > num) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_DATA_GREATER_THAN_MOD_LEN);
goto err;
}
if (BN_bin2bn(from, flen, f) == NULL)
goto err;
if (BN_ucmp(f, rsa->n) >= 0) {
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,
RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
goto err;
}
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
goto err;
if (!rsa->meth->bn_mod_exp(ret, f, rsa->e, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
if ((padding == RSA_X931_PADDING) && ((ret->d[0] & 0xf) != 12))
if (!BN_sub(ret, rsa->n, ret))
goto err;
p = buf;
i = BN_bn2bin(ret, p);
switch (padding) {
case RSA_PKCS1_PADDING:
r = RSA_padding_check_PKCS1_type_1(to, num, buf, i, num);
break;
case RSA_X931_PADDING:
r = RSA_padding_check_X931(to, num, buf, i, num);
break;
case RSA_NO_PADDING:
r = RSA_padding_check_none(to, num, buf, i, num);
break;
default:
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (r < 0)
RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_PADDING_CHECK_FAILED);
err:
if (ctx != NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
}
if (buf != NULL) {
OPENSSL_cleanse(buf, num);
OPENSSL_free(buf);
}
return (r);
}
static int RSA_eay_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
{
BIGNUM *r1, *m1, *vrfy;
BIGNUM local_dmp1, local_dmq1, local_c, local_r1;
BIGNUM *dmp1, *dmq1, *c, *pr1;
int ret = 0;
BN_CTX_start(ctx);
r1 = BN_CTX_get(ctx);
m1 = BN_CTX_get(ctx);
vrfy = BN_CTX_get(ctx);
{
BIGNUM local_p, local_q;
BIGNUM *p = NULL, *q = NULL;
/*
* Make sure BN_mod_inverse in Montgomery intialization uses the
* BN_FLG_CONSTTIME flag (unless RSA_FLAG_NO_CONSTTIME is set)
*/
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
BN_init(&local_p);
p = &local_p;
BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
BN_init(&local_q);
q = &local_q;
BN_with_flags(q, rsa->q, BN_FLG_CONSTTIME);
} else {
p = rsa->p;
q = rsa->q;
}
if (rsa->flags & RSA_FLAG_CACHE_PRIVATE) {
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_p, CRYPTO_LOCK_RSA, p, ctx))
goto err;
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_q, CRYPTO_LOCK_RSA, q, ctx))
goto err;
}
}
if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
if (!BN_MONT_CTX_set_locked
(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
goto err;
/* compute I mod q */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
c = &local_c;
BN_with_flags(c, I, BN_FLG_CONSTTIME);
if (!BN_mod(r1, c, rsa->q, ctx))
goto err;
} else {
if (!BN_mod(r1, I, rsa->q, ctx))
goto err;
}
/* compute r1^dmq1 mod q */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
dmq1 = &local_dmq1;
BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);
} else
dmq1 = rsa->dmq1;
if (!rsa->meth->bn_mod_exp(m1, r1, dmq1, rsa->q, ctx, rsa->_method_mod_q))
goto err;
/* compute I mod p */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
c = &local_c;
BN_with_flags(c, I, BN_FLG_CONSTTIME);
if (!BN_mod(r1, c, rsa->p, ctx))
goto err;
} else {
if (!BN_mod(r1, I, rsa->p, ctx))
goto err;
}
/* compute r1^dmp1 mod p */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
dmp1 = &local_dmp1;
BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);
} else
dmp1 = rsa->dmp1;
if (!rsa->meth->bn_mod_exp(r0, r1, dmp1, rsa->p, ctx, rsa->_method_mod_p))
goto err;
if (!BN_sub(r0, r0, m1))
goto err;
/*
* This will help stop the size of r0 increasing, which does affect the
* multiply if it optimised for a power of 2 size
*/
if (BN_is_negative(r0))
if (!BN_add(r0, r0, rsa->p))
goto err;
if (!BN_mul(r1, r0, rsa->iqmp, ctx))
goto err;
/* Turn BN_FLG_CONSTTIME flag on before division operation */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
pr1 = &local_r1;
BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);
} else
pr1 = r1;
if (!BN_mod(r0, pr1, rsa->p, ctx))
goto err;
/*
* If p < q it is occasionally possible for the correction of adding 'p'
* if r0 is negative above to leave the result still negative. This can
* break the private key operations: the following second correction
* should *always* correct this rare occurrence. This will *never* happen
* with OpenSSL generated keys because they ensure p > q [steve]
*/
if (BN_is_negative(r0))
if (!BN_add(r0, r0, rsa->p))
goto err;
if (!BN_mul(r1, r0, rsa->q, ctx))
goto err;
if (!BN_add(r0, r1, m1))
goto err;
if (rsa->e && rsa->n) {
if (!rsa->meth->bn_mod_exp(vrfy, r0, rsa->e, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
/*
* If 'I' was greater than (or equal to) rsa->n, the operation will
* be equivalent to using 'I mod n'. However, the result of the
* verify will *always* be less than 'n' so we don't check for
* absolute equality, just congruency.
*/
if (!BN_sub(vrfy, vrfy, I))
goto err;
if (!BN_mod(vrfy, vrfy, rsa->n, ctx))
goto err;
if (BN_is_negative(vrfy))
if (!BN_add(vrfy, vrfy, rsa->n))
goto err;
if (!BN_is_zero(vrfy)) {
/*
* 'I' and 'vrfy' aren't congruent mod n. Don't leak
* miscalculated CRT output, just do a raw (slower) mod_exp and
* return that instead.
*/
BIGNUM local_d;
BIGNUM *d = NULL;
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
} else
d = rsa->d;
if (!rsa->meth->bn_mod_exp(r0, I, d, rsa->n, ctx,
rsa->_method_mod_n))
goto err;
}
}
ret = 1;
err:
BN_CTX_end(ctx);
return (ret);
}
static int RSA_eay_init(RSA *rsa)
{
rsa->flags |= RSA_FLAG_CACHE_PUBLIC | RSA_FLAG_CACHE_PRIVATE;
return (1);
}
static int RSA_eay_finish(RSA *rsa)
{
if (rsa->_method_mod_n != NULL)
BN_MONT_CTX_free(rsa->_method_mod_n);
if (rsa->_method_mod_p != NULL)
BN_MONT_CTX_free(rsa->_method_mod_p);
if (rsa->_method_mod_q != NULL)
BN_MONT_CTX_free(rsa->_method_mod_q);
return (1);
}
#endif

152
crypto/rsa/rsa_err.c
View File

@@ -1,11 +1,62 @@
/*
* Generated by util/mkerr.pl DO NOT EDIT
* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_err.c */
/* ====================================================================
* Copyright (c) 1999-2014 The OpenSSL Project. All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/*
* NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
#include <stdio.h>
@@ -19,39 +70,36 @@
# define ERR_REASON(reason) ERR_PACK(ERR_LIB_RSA,0,reason)
static ERR_STRING_DATA RSA_str_functs[] = {
{ERR_FUNC(RSA_F_CHECK_PADDING_MD), "check_padding_md"},
{ERR_FUNC(RSA_F_ENCODE_PKCS1), "encode_pkcs1"},
{ERR_FUNC(RSA_F_INT_RSA_VERIFY), "int_rsa_verify"},
{ERR_FUNC(RSA_F_MARSHAL_INTEGER), "marshal_integer"},
{ERR_FUNC(RSA_F_OLD_RSA_PRIV_DECODE), "old_rsa_priv_decode"},
{ERR_FUNC(RSA_F_PARSE_PUBLIC_KEY), "parse_public_key"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL), "pkey_rsa_ctrl"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL_STR), "pkey_rsa_ctrl_str"},
{ERR_FUNC(RSA_F_PKEY_RSA_SIGN), "pkey_rsa_sign"},
{ERR_FUNC(RSA_F_PKEY_RSA_VERIFY), "pkey_rsa_verify"},
{ERR_FUNC(RSA_F_PKEY_RSA_VERIFYRECOVER), "pkey_rsa_verifyrecover"},
{ERR_FUNC(RSA_F_RSA_ALGOR_TO_MD), "rsa_algor_to_md"},
{ERR_FUNC(RSA_F_RSA_BUILTIN_KEYGEN), "rsa_builtin_keygen"},
{ERR_FUNC(RSA_F_CHECK_PADDING_MD), "CHECK_PADDING_MD"},
{ERR_FUNC(RSA_F_DO_RSA_PRINT), "DO_RSA_PRINT"},
{ERR_FUNC(RSA_F_INT_RSA_VERIFY), "INT_RSA_VERIFY"},
{ERR_FUNC(RSA_F_MEMORY_LOCK), "MEMORY_LOCK"},
{ERR_FUNC(RSA_F_OLD_RSA_PRIV_DECODE), "OLD_RSA_PRIV_DECODE"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL), "PKEY_RSA_CTRL"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL_STR), "PKEY_RSA_CTRL_STR"},
{ERR_FUNC(RSA_F_PKEY_RSA_SIGN), "PKEY_RSA_SIGN"},
{ERR_FUNC(RSA_F_PKEY_RSA_VERIFY), "PKEY_RSA_VERIFY"},
{ERR_FUNC(RSA_F_PKEY_RSA_VERIFYRECOVER), "PKEY_RSA_VERIFYRECOVER"},
{ERR_FUNC(RSA_F_RSA_ALGOR_TO_MD), "RSA_ALGOR_TO_MD"},
{ERR_FUNC(RSA_F_RSA_BUILTIN_KEYGEN), "RSA_BUILTIN_KEYGEN"},
{ERR_FUNC(RSA_F_RSA_CHECK_KEY), "RSA_check_key"},
{ERR_FUNC(RSA_F_RSA_CHECK_KEY_EX), "RSA_check_key_ex"},
{ERR_FUNC(RSA_F_RSA_CMS_DECRYPT), "rsa_cms_decrypt"},
{ERR_FUNC(RSA_F_RSA_ITEM_VERIFY), "rsa_item_verify"},
{ERR_FUNC(RSA_F_RSA_MARSHAL_PRIVATE_KEY), "RSA_marshal_private_key"},
{ERR_FUNC(RSA_F_RSA_MARSHAL_PUBLIC_KEY), "RSA_marshal_public_key"},
{ERR_FUNC(RSA_F_RSA_METH_DUP), "RSA_meth_dup"},
{ERR_FUNC(RSA_F_RSA_METH_NEW), "RSA_meth_new"},
{ERR_FUNC(RSA_F_RSA_METH_SET1_NAME), "RSA_meth_set1_name"},
{ERR_FUNC(RSA_F_RSA_MGF1_TO_MD), "rsa_mgf1_to_md"},
{ERR_FUNC(RSA_F_RSA_CMS_DECRYPT), "RSA_CMS_DECRYPT"},
{ERR_FUNC(RSA_F_RSA_EAY_PRIVATE_DECRYPT), "RSA_EAY_PRIVATE_DECRYPT"},
{ERR_FUNC(RSA_F_RSA_EAY_PRIVATE_ENCRYPT), "RSA_EAY_PRIVATE_ENCRYPT"},
{ERR_FUNC(RSA_F_RSA_EAY_PUBLIC_DECRYPT), "RSA_EAY_PUBLIC_DECRYPT"},
{ERR_FUNC(RSA_F_RSA_EAY_PUBLIC_ENCRYPT), "RSA_EAY_PUBLIC_ENCRYPT"},
{ERR_FUNC(RSA_F_RSA_GENERATE_KEY), "RSA_generate_key"},
{ERR_FUNC(RSA_F_RSA_GENERATE_KEY_EX), "RSA_generate_key_ex"},
{ERR_FUNC(RSA_F_RSA_ITEM_VERIFY), "RSA_ITEM_VERIFY"},
{ERR_FUNC(RSA_F_RSA_MEMORY_LOCK), "RSA_memory_lock"},
{ERR_FUNC(RSA_F_RSA_MGF1_TO_MD), "RSA_MGF1_TO_MD"},
{ERR_FUNC(RSA_F_RSA_NEW_METHOD), "RSA_new_method"},
{ERR_FUNC(RSA_F_RSA_NULL), "RSA_NULL"},
{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_DECRYPT), "RSA_null_private_decrypt"},
{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_ENCRYPT), "RSA_null_private_encrypt"},
{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_DECRYPT), "RSA_null_public_decrypt"},
{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_ENCRYPT), "RSA_null_public_encrypt"},
{ERR_FUNC(RSA_F_RSA_OSSL_PRIVATE_DECRYPT), "rsa_ossl_private_decrypt"},
{ERR_FUNC(RSA_F_RSA_OSSL_PRIVATE_ENCRYPT), "rsa_ossl_private_encrypt"},
{ERR_FUNC(RSA_F_RSA_OSSL_PUBLIC_DECRYPT), "rsa_ossl_public_decrypt"},
{ERR_FUNC(RSA_F_RSA_OSSL_PUBLIC_ENCRYPT), "rsa_ossl_public_encrypt"},
{ERR_FUNC(RSA_F_RSA_NULL_MOD_EXP), "RSA_NULL_MOD_EXP"},
{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_DECRYPT), "RSA_NULL_PRIVATE_DECRYPT"},
{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_ENCRYPT), "RSA_NULL_PRIVATE_ENCRYPT"},
{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_DECRYPT), "RSA_NULL_PUBLIC_DECRYPT"},
{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_ENCRYPT), "RSA_NULL_PUBLIC_ENCRYPT"},
{ERR_FUNC(RSA_F_RSA_PADDING_ADD_NONE), "RSA_padding_add_none"},
{ERR_FUNC(RSA_F_RSA_PADDING_ADD_PKCS1_OAEP),
"RSA_padding_add_PKCS1_OAEP"},
@@ -77,17 +125,16 @@ static ERR_STRING_DATA RSA_str_functs[] = {
"RSA_padding_check_PKCS1_type_2"},
{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_SSLV23), "RSA_padding_check_SSLv23"},
{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_X931), "RSA_padding_check_X931"},
{ERR_FUNC(RSA_F_RSA_PARSE_PRIVATE_KEY), "RSA_parse_private_key"},
{ERR_FUNC(RSA_F_RSA_PRINT), "RSA_print"},
{ERR_FUNC(RSA_F_RSA_PRINT_FP), "RSA_print_fp"},
{ERR_FUNC(RSA_F_RSA_PRIVATE_KEY_FROM_BYTES),
"RSA_private_key_from_bytes"},
{ERR_FUNC(RSA_F_RSA_PRIVATE_KEY_TO_BYTES), "RSA_private_key_to_bytes"},
{ERR_FUNC(RSA_F_RSA_PRIV_ENCODE), "rsa_priv_encode"},
{ERR_FUNC(RSA_F_RSA_PSS_TO_CTX), "rsa_pss_to_ctx"},
{ERR_FUNC(RSA_F_RSA_PUBLIC_KEY_FROM_BYTES), "RSA_public_key_from_bytes"},
{ERR_FUNC(RSA_F_RSA_PUBLIC_KEY_TO_BYTES), "RSA_public_key_to_bytes"},
{ERR_FUNC(RSA_F_RSA_PUB_DECODE), "rsa_pub_decode"},
{ERR_FUNC(RSA_F_RSA_PRIVATE_DECRYPT), "RSA_private_decrypt"},
{ERR_FUNC(RSA_F_RSA_PRIVATE_ENCRYPT), "RSA_private_encrypt"},
{ERR_FUNC(RSA_F_RSA_PRIV_DECODE), "RSA_PRIV_DECODE"},
{ERR_FUNC(RSA_F_RSA_PRIV_ENCODE), "RSA_PRIV_ENCODE"},
{ERR_FUNC(RSA_F_RSA_PSS_TO_CTX), "RSA_PSS_TO_CTX"},
{ERR_FUNC(RSA_F_RSA_PUBLIC_DECRYPT), "RSA_public_decrypt"},
{ERR_FUNC(RSA_F_RSA_PUBLIC_ENCRYPT), "RSA_public_encrypt"},
{ERR_FUNC(RSA_F_RSA_PUB_DECODE), "RSA_PUB_DECODE"},
{ERR_FUNC(RSA_F_RSA_SETUP_BLINDING), "RSA_setup_blinding"},
{ERR_FUNC(RSA_F_RSA_SIGN), "RSA_sign"},
{ERR_FUNC(RSA_F_RSA_SIGN_ASN1_OCTET_STRING),
@@ -95,19 +142,17 @@ static ERR_STRING_DATA RSA_str_functs[] = {
{ERR_FUNC(RSA_F_RSA_VERIFY), "RSA_verify"},
{ERR_FUNC(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING),
"RSA_verify_ASN1_OCTET_STRING"},
{ERR_FUNC(RSA_F_RSA_VERIFY_PKCS1_PSS), "RSA_verify_PKCS1_PSS"},
{ERR_FUNC(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1), "RSA_verify_PKCS1_PSS_mgf1"},
{0, NULL}
};
static ERR_STRING_DATA RSA_str_reasons[] = {
{ERR_REASON(RSA_R_ALGORITHM_MISMATCH), "algorithm mismatch"},
{ERR_REASON(RSA_R_BAD_ENCODING), "bad encoding"},
{ERR_REASON(RSA_R_BAD_E_VALUE), "bad e value"},
{ERR_REASON(RSA_R_BAD_FIXED_HEADER_DECRYPT), "bad fixed header decrypt"},
{ERR_REASON(RSA_R_BAD_PAD_BYTE_COUNT), "bad pad byte count"},
{ERR_REASON(RSA_R_BAD_RSA_PARAMETERS), "bad rsa parameters"},
{ERR_REASON(RSA_R_BAD_SIGNATURE), "bad signature"},
{ERR_REASON(RSA_R_BAD_VERSION), "bad version"},
{ERR_REASON(RSA_R_BLOCK_TYPE_IS_NOT_01), "block type is not 01"},
{ERR_REASON(RSA_R_BLOCK_TYPE_IS_NOT_02), "block type is not 02"},
{ERR_REASON(RSA_R_DATA_GREATER_THAN_MOD_LEN),
@@ -126,13 +171,13 @@ static ERR_STRING_DATA RSA_str_reasons[] = {
{ERR_REASON(RSA_R_DMP1_NOT_CONGRUENT_TO_D), "dmp1 not congruent to d"},
{ERR_REASON(RSA_R_DMQ1_NOT_CONGRUENT_TO_D), "dmq1 not congruent to d"},
{ERR_REASON(RSA_R_D_E_NOT_CONGRUENT_TO_1), "d e not congruent to 1"},
{ERR_REASON(RSA_R_ENCODE_ERROR), "encode error"},
{ERR_REASON(RSA_R_FIRST_OCTET_INVALID), "first octet invalid"},
{ERR_REASON(RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE),
"illegal or unsupported padding mode"},
{ERR_REASON(RSA_R_INVALID_DIGEST), "invalid digest"},
{ERR_REASON(RSA_R_INVALID_DIGEST_LENGTH), "invalid digest length"},
{ERR_REASON(RSA_R_INVALID_HEADER), "invalid header"},
{ERR_REASON(RSA_R_INVALID_KEYBITS), "invalid keybits"},
{ERR_REASON(RSA_R_INVALID_LABEL), "invalid label"},
{ERR_REASON(RSA_R_INVALID_MESSAGE_LENGTH), "invalid message length"},
{ERR_REASON(RSA_R_INVALID_MGF1_MD), "invalid mgf1 md"},
@@ -148,11 +193,14 @@ static ERR_STRING_DATA RSA_str_reasons[] = {
{ERR_REASON(RSA_R_KEY_SIZE_TOO_SMALL), "key size too small"},
{ERR_REASON(RSA_R_LAST_OCTET_INVALID), "last octet invalid"},
{ERR_REASON(RSA_R_MODULUS_TOO_LARGE), "modulus too large"},
{ERR_REASON(RSA_R_NON_FIPS_RSA_METHOD), "non fips rsa method"},
{ERR_REASON(RSA_R_NO_PUBLIC_EXPONENT), "no public exponent"},
{ERR_REASON(RSA_R_NULL_BEFORE_BLOCK_MISSING),
"null before block missing"},
{ERR_REASON(RSA_R_N_DOES_NOT_EQUAL_P_Q), "n does not equal p q"},
{ERR_REASON(RSA_R_OAEP_DECODING_ERROR), "oaep decoding error"},
{ERR_REASON(RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE),
"operation not allowed in fips mode"},
{ERR_REASON(RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE),
"operation not supported for this keytype"},
{ERR_REASON(RSA_R_PADDING_CHECK_FAILED), "padding check failed"},
@@ -170,6 +218,7 @@ static ERR_STRING_DATA RSA_str_reasons[] = {
{ERR_REASON(RSA_R_UNKNOWN_DIGEST), "unknown digest"},
{ERR_REASON(RSA_R_UNKNOWN_MASK_DIGEST), "unknown mask digest"},
{ERR_REASON(RSA_R_UNKNOWN_PADDING_TYPE), "unknown padding type"},
{ERR_REASON(RSA_R_UNKNOWN_PSS_DIGEST), "unknown pss digest"},
{ERR_REASON(RSA_R_UNSUPPORTED_ENCRYPTION_TYPE),
"unsupported encryption type"},
{ERR_REASON(RSA_R_UNSUPPORTED_LABEL_SOURCE), "unsupported label source"},
@@ -186,7 +235,7 @@ static ERR_STRING_DATA RSA_str_reasons[] = {
#endif
int ERR_load_RSA_strings(void)
void ERR_load_RSA_strings(void)
{
#ifndef OPENSSL_NO_ERR
@@ -195,5 +244,4 @@ int ERR_load_RSA_strings(void)
ERR_load_strings(0, RSA_str_reasons);
}
#endif
return 1;
}

164
crypto/rsa/rsa_gen.c
View File

@@ -1,10 +1,59 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_gen.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/*
@@ -15,9 +64,14 @@
#include <stdio.h>
#include <time.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include "rsa_locl.h"
#include <openssl/rsa.h>
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
extern int FIPS_rsa_x931_generate_key_ex(RSA *rsa, int bits, BIGNUM *e,
BN_GENCB *cb);
#endif
static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
BN_GENCB *cb);
@@ -31,8 +85,19 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
*/
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_GENERATE_KEY_EX, RSA_R_NON_FIPS_RSA_METHOD);
return 0;
}
#endif
if (rsa->meth->rsa_keygen)
return rsa->meth->rsa_keygen(rsa, bits, e_value, cb);
#ifdef OPENSSL_FIPS
if (FIPS_mode())
return FIPS_rsa_x931_generate_key_ex(rsa, bits, e_value, cb);
#endif
return rsa_builtin_keygen(rsa, bits, e_value, cb);
}
@@ -40,6 +105,8 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
BN_GENCB *cb)
{
BIGNUM *r0 = NULL, *r1 = NULL, *r2 = NULL, *r3 = NULL, *tmp;
BIGNUM local_r0, local_d, local_p;
BIGNUM *pr0, *d, *p;
int bitsp, bitsq, ok = -1, n = 0;
BN_CTX *ctx = NULL;
@@ -60,19 +127,19 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
/* We need the RSA components non-NULL */
if (!rsa->n && ((rsa->n = BN_new()) == NULL))
goto err;
if (!rsa->d && ((rsa->d = BN_secure_new()) == NULL))
if (!rsa->d && ((rsa->d = BN_new()) == NULL))
goto err;
if (!rsa->e && ((rsa->e = BN_new()) == NULL))
goto err;
if (!rsa->p && ((rsa->p = BN_secure_new()) == NULL))
if (!rsa->p && ((rsa->p = BN_new()) == NULL))
goto err;
if (!rsa->q && ((rsa->q = BN_secure_new()) == NULL))
if (!rsa->q && ((rsa->q = BN_new()) == NULL))
goto err;
if (!rsa->dmp1 && ((rsa->dmp1 = BN_secure_new()) == NULL))
if (!rsa->dmp1 && ((rsa->dmp1 = BN_new()) == NULL))
goto err;
if (!rsa->dmq1 && ((rsa->dmq1 = BN_secure_new()) == NULL))
if (!rsa->dmq1 && ((rsa->dmq1 = BN_new()) == NULL))
goto err;
if (!rsa->iqmp && ((rsa->iqmp = BN_secure_new()) == NULL))
if (!rsa->iqmp && ((rsa->iqmp = BN_new()) == NULL))
goto err;
if (BN_copy(rsa->e, e_value) == NULL)
@@ -137,53 +204,37 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
goto err; /* q-1 */
if (!BN_mul(r0, r1, r2, ctx))
goto err; /* (p-1)(q-1) */
{
BIGNUM *pr0 = BN_new();
if (pr0 == NULL)
goto err;
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
pr0 = &local_r0;
BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);
if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx)) {
BN_free(pr0);
goto err; /* d */
}
/* We MUST free pr0 before any further use of r0 */
BN_free(pr0);
}
} else
pr0 = r0;
if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx))
goto err; /* d */
{
BIGNUM *d = BN_new();
if (d == NULL)
goto err;
/* set up d for correct BN_FLG_CONSTTIME flag */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
} else
d = rsa->d;
if ( /* calculate d mod (p-1) */
!BN_mod(rsa->dmp1, d, r1, ctx)
/* calculate d mod (q-1) */
|| !BN_mod(rsa->dmq1, d, r2, ctx)) {
BN_free(d);
goto err;
}
/* We MUST free d before any further use of rsa->d */
BN_free(d);
}
/* calculate d mod (p-1) */
if (!BN_mod(rsa->dmp1, d, r1, ctx))
goto err;
{
BIGNUM *p = BN_new();
/* calculate d mod (q-1) */
if (!BN_mod(rsa->dmq1, d, r2, ctx))
goto err;
if (p == NULL)
goto err;
/* calculate inverse of q mod p */
if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
p = &local_p;
BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
/* calculate inverse of q mod p */
if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx)) {
BN_free(p);
goto err;
}
/* We MUST free p before any further use of rsa->p */
BN_free(p);
}
} else
p = rsa->p;
if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx))
goto err;
ok = 1;
err:
@@ -191,9 +242,10 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, ERR_LIB_BN);
ok = 0;
}
if (ctx != NULL)
if (ctx != NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
BN_CTX_free(ctx);
}
return ok;
}

393
crypto/rsa/rsa_lib.c
View File

@@ -1,19 +1,77 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_lib.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <openssl/crypto.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/lhash.h>
#include "internal/bn_int.h"
#include <openssl/engine.h>
#include "rsa_locl.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
#endif
const char RSA_version[] = "RSA" OPENSSL_VERSION_PTEXT;
static const RSA_METHOD *default_RSA_meth = NULL;
@@ -32,10 +90,17 @@ void RSA_set_default_method(const RSA_METHOD *meth)
const RSA_METHOD *RSA_get_default_method(void)
{
if (default_RSA_meth == NULL) {
#ifdef RSA_NULL
default_RSA_meth = RSA_null_method();
#ifdef OPENSSL_FIPS
if (FIPS_mode())
return FIPS_rsa_pkcs1_ssleay();
else
return RSA_PKCS1_SSLeay();
#else
default_RSA_meth = RSA_PKCS1_OpenSSL();
# ifdef RSA_NULL
default_RSA_meth = RSA_null_method();
# else
default_RSA_meth = RSA_PKCS1_SSLeay();
# endif
#endif
}
@@ -58,8 +123,10 @@ int RSA_set_method(RSA *rsa, const RSA_METHOD *meth)
if (mtmp->finish)
mtmp->finish(rsa);
#ifndef OPENSSL_NO_ENGINE
ENGINE_finish(rsa->engine);
rsa->engine = NULL;
if (rsa->engine) {
ENGINE_finish(rsa->engine);
rsa->engine = NULL;
}
#endif
rsa->meth = meth;
if (meth->init)
@@ -69,56 +136,74 @@ int RSA_set_method(RSA *rsa, const RSA_METHOD *meth)
RSA *RSA_new_method(ENGINE *engine)
{
RSA *ret = OPENSSL_zalloc(sizeof(*ret));
RSA *ret;
ret = (RSA *)OPENSSL_malloc(sizeof(RSA));
if (ret == NULL) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
memset(ret,0,sizeof(RSA));
ret->meth = RSA_get_default_method();
#ifndef OPENSSL_NO_ENGINE
ret->flags = ret->meth->flags & ~RSA_FLAG_NON_FIPS_ALLOW;
if (engine) {
if (!ENGINE_init(engine)) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);
goto err;
OPENSSL_free(ret);
return NULL;
}
ret->engine = engine;
} else
ret->engine = ENGINE_get_default_RSA();
if (ret->engine) {
ret->meth = ENGINE_get_RSA(ret->engine);
if (ret->meth == NULL) {
if (!ret->meth) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);
goto err;
ENGINE_finish(ret->engine);
OPENSSL_free(ret);
return NULL;
}
}
#endif
ret->pad = 0;
ret->version = 0;
ret->n = NULL;
ret->e = NULL;
ret->d = NULL;
ret->p = NULL;
ret->q = NULL;
ret->dmp1 = NULL;
ret->dmq1 = NULL;
ret->iqmp = NULL;
ret->references = 1;
ret->_method_mod_n = NULL;
ret->_method_mod_p = NULL;
ret->_method_mod_q = NULL;
ret->blinding = NULL;
ret->mt_blinding = NULL;
ret->bignum_data = NULL;
ret->flags = ret->meth->flags & ~RSA_FLAG_NON_FIPS_ALLOW;
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data)) {
goto err;
#ifndef OPENSSL_NO_ENGINE
if (ret->engine)
ENGINE_finish(ret->engine);
#endif
OPENSSL_free(ret);
return (NULL);
}
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
RSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_INIT_FAIL);
goto err;
#ifndef OPENSSL_NO_ENGINE
if (ret->engine)
ENGINE_finish(ret->engine);
#endif
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);
OPENSSL_free(ret);
ret = NULL;
}
return ret;
err:
RSA_free(ret);
return NULL;
return (ret);
}
void RSA_free(RSA *r)
@@ -128,48 +213,75 @@ void RSA_free(RSA *r)
if (r == NULL)
return;
CRYPTO_atomic_add(&r->references, -1, &i, r->lock);
REF_PRINT_COUNT("RSA", r);
i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_RSA);
#ifdef REF_PRINT
REF_PRINT("RSA", r);
#endif
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
#ifdef REF_CHECK
if (i < 0) {
fprintf(stderr, "RSA_free, bad reference count\n");
abort();
}
#endif
if (r->meth->finish)
r->meth->finish(r);
#ifndef OPENSSL_NO_ENGINE
ENGINE_finish(r->engine);
if (r->engine)
ENGINE_finish(r->engine);
#endif
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, r, &r->ex_data);
CRYPTO_THREAD_lock_free(r->lock);
BN_clear_free(r->n);
BN_clear_free(r->e);
BN_clear_free(r->d);
BN_clear_free(r->p);
BN_clear_free(r->q);
BN_clear_free(r->dmp1);
BN_clear_free(r->dmq1);
BN_clear_free(r->iqmp);
BN_BLINDING_free(r->blinding);
BN_BLINDING_free(r->mt_blinding);
OPENSSL_free(r->bignum_data);
if (r->n != NULL)
BN_clear_free(r->n);
if (r->e != NULL)
BN_clear_free(r->e);
if (r->d != NULL)
BN_clear_free(r->d);
if (r->p != NULL)
BN_clear_free(r->p);
if (r->q != NULL)
BN_clear_free(r->q);
if (r->dmp1 != NULL)
BN_clear_free(r->dmp1);
if (r->dmq1 != NULL)
BN_clear_free(r->dmq1);
if (r->iqmp != NULL)
BN_clear_free(r->iqmp);
if (r->blinding != NULL)
BN_BLINDING_free(r->blinding);
if (r->mt_blinding != NULL)
BN_BLINDING_free(r->mt_blinding);
if (r->bignum_data != NULL)
OPENSSL_free_locked(r->bignum_data);
OPENSSL_free(r);
}
int RSA_up_ref(RSA *r)
{
int i;
if (CRYPTO_atomic_add(&r->references, 1, &i, r->lock) <= 0)
return 0;
REF_PRINT_COUNT("RSA", r);
REF_ASSERT_ISNT(i < 2);
int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_RSA);
#ifdef REF_PRINT
REF_PRINT("RSA", r);
#endif
#ifdef REF_CHECK
if (i < 2) {
fprintf(stderr, "RSA_up_ref, bad reference count\n");
abort();
}
#endif
return ((i > 1) ? 1 : 0);
}
int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, argl, argp,
new_func, dup_func, free_func);
}
int RSA_set_ex_data(RSA *r, int idx, void *arg)
{
return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
@@ -180,131 +292,46 @@ void *RSA_get_ex_data(const RSA *r, int idx)
return (CRYPTO_get_ex_data(&r->ex_data, idx));
}
int RSA_security_bits(const RSA *rsa)
int RSA_memory_lock(RSA *r)
{
return BN_security_bits(BN_num_bits(rsa->n), -1);
}
int i, j, k, off;
char *p;
BIGNUM *bn, **t[6], *b;
BN_ULONG *ul;
int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d)
{
/* If the fields n and e in r are NULL, the corresponding input
* parameters MUST be non-NULL for n and e. d may be
* left NULL (in case only the public key is used).
*/
if ((r->n == NULL && n == NULL)
|| (r->e == NULL && e == NULL))
return 0;
if (n != NULL) {
BN_free(r->n);
r->n = n;
if (r->d == NULL)
return (1);
t[0] = &r->d;
t[1] = &r->p;
t[2] = &r->q;
t[3] = &r->dmp1;
t[4] = &r->dmq1;
t[5] = &r->iqmp;
k = sizeof(BIGNUM) * 6;
off = k / sizeof(BN_ULONG) + 1;
j = 1;
for (i = 0; i < 6; i++)
j += (*t[i])->top;
if ((p = OPENSSL_malloc_locked((off + j) * sizeof(BN_ULONG))) == NULL) {
RSAerr(RSA_F_RSA_MEMORY_LOCK, ERR_R_MALLOC_FAILURE);
return (0);
}
if (e != NULL) {
BN_free(r->e);
r->e = e;
}
if (d != NULL) {
BN_free(r->d);
r->d = d;
bn = (BIGNUM *)p;
ul = (BN_ULONG *)&(p[off]);
for (i = 0; i < 6; i++) {
b = *(t[i]);
*(t[i]) = &(bn[i]);
memcpy((char *)&(bn[i]), (char *)b, sizeof(BIGNUM));
bn[i].flags = BN_FLG_STATIC_DATA;
bn[i].d = ul;
memcpy((char *)ul, b->d, sizeof(BN_ULONG) * b->top);
ul += b->top;
BN_clear_free(b);
}
return 1;
}
int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q)
{
/* If the fields p and q in r are NULL, the corresponding input
* parameters MUST be non-NULL.
*/
if ((r->p == NULL && p == NULL)
|| (r->q == NULL && q == NULL))
return 0;
if (p != NULL) {
BN_free(r->p);
r->p = p;
}
if (q != NULL) {
BN_free(r->q);
r->q = q;
}
return 1;
}
int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp)
{
/* If the fields dmp1, dmq1 and iqmp in r are NULL, the corresponding input
* parameters MUST be non-NULL.
*/
if ((r->dmp1 == NULL && dmp1 == NULL)
|| (r->dmq1 == NULL && dmq1 == NULL)
|| (r->iqmp == NULL && iqmp == NULL))
return 0;
if (dmp1 != NULL) {
BN_free(r->dmp1);
r->dmp1 = dmp1;
}
if (dmq1 != NULL) {
BN_free(r->dmq1);
r->dmq1 = dmq1;
}
if (iqmp != NULL) {
BN_free(r->iqmp);
r->iqmp = iqmp;
}
return 1;
}
void RSA_get0_key(const RSA *r,
const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
{
if (n != NULL)
*n = r->n;
if (e != NULL)
*e = r->e;
if (d != NULL)
*d = r->d;
}
void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q)
{
if (p != NULL)
*p = r->p;
if (q != NULL)
*q = r->q;
}
void RSA_get0_crt_params(const RSA *r,
const BIGNUM **dmp1, const BIGNUM **dmq1,
const BIGNUM **iqmp)
{
if (dmp1 != NULL)
*dmp1 = r->dmp1;
if (dmq1 != NULL)
*dmq1 = r->dmq1;
if (iqmp != NULL)
*iqmp = r->iqmp;
}
void RSA_clear_flags(RSA *r, int flags)
{
r->flags &= ~flags;
}
int RSA_test_flags(const RSA *r, int flags)
{
return r->flags & flags;
}
void RSA_set_flags(RSA *r, int flags)
{
r->flags |= flags;
}
ENGINE *RSA_get0_engine(const RSA *r)
{
return r->engine;
/* I should fix this so it can still be done */
r->flags &= ~(RSA_FLAG_CACHE_PRIVATE | RSA_FLAG_CACHE_PUBLIC);
r->bignum_data = p;
return (1);
}

92
crypto/rsa/rsa_locl.h
View File

@@ -1,95 +1,3 @@
/*
* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/rsa.h>
struct rsa_st {
/*
* The first parameter is used to pickup errors where this is passed
* instead of aEVP_PKEY, it is set to 0
*/
int pad;
long version;
const RSA_METHOD *meth;
/* functional reference if 'meth' is ENGINE-provided */
ENGINE *engine;
BIGNUM *n;
BIGNUM *e;
BIGNUM *d;
BIGNUM *p;
BIGNUM *q;
BIGNUM *dmp1;
BIGNUM *dmq1;
BIGNUM *iqmp;
/* be careful using this if the RSA structure is shared */
CRYPTO_EX_DATA ex_data;
int references;
int flags;
/* Used to cache montgomery values */
BN_MONT_CTX *_method_mod_n;
BN_MONT_CTX *_method_mod_p;
BN_MONT_CTX *_method_mod_q;
/*
* all BIGNUM values are actually in the following data, if it is not
* NULL
*/
char *bignum_data;
BN_BLINDING *blinding;
BN_BLINDING *mt_blinding;
CRYPTO_RWLOCK *lock;
};
struct rsa_meth_st {
char *name;
int (*rsa_pub_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_pub_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_enc) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int (*rsa_priv_dec) (int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
/* Can be null */
int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
/* Can be null */
int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* called at new */
int (*init) (RSA *rsa);
/* called at free */
int (*finish) (RSA *rsa);
/* RSA_METHOD_FLAG_* things */
int flags;
/* may be needed! */
char *app_data;
/*
* New sign and verify functions: some libraries don't allow arbitrary
* data to be signed/verified: this allows them to be used. Note: for
* this to work the RSA_public_decrypt() and RSA_private_encrypt() should
* *NOT* be used RSA_sign(), RSA_verify() should be used instead.
*/
int (*rsa_sign) (int type,
const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen,
const RSA *rsa);
int (*rsa_verify) (int dtype, const unsigned char *m,
unsigned int m_length, const unsigned char *sigbuf,
unsigned int siglen, const RSA *rsa);
/*
* If this callback is NULL, the builtin software RSA key-gen will be
* used. This is for behavioural compatibility whilst the code gets
* rewired, but one day it would be nice to assume there are no such
* things as "builtin software" implementations.
*/
int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
};
extern int int_rsa_verify(int dtype, const unsigned char *m,
unsigned int m_len, unsigned char *rm,
size_t *prm_len, const unsigned char *sigbuf,

65
crypto/rsa/rsa_none.c
View File

@@ -1,15 +1,66 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_none.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include "internal/cryptlib.h"
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
int RSA_padding_add_none(unsigned char *to, int tlen,
const unsigned char *from, int flen)

76
crypto/rsa/rsa_null.c
View File

@@ -1,16 +1,67 @@
/* rsa_null.c */
/*
* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include "rsa_locl.h"
#include <openssl/rsa.h>
#include <openssl/rand.h>
/*
* This is a dummy RSA implementation that just returns errors when called.
@@ -28,6 +79,9 @@ static int RSA_null_public_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int RSA_null_private_decrypt(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
#if 0 /* not currently used */
static int RSA_null_mod_exp(const BIGNUM *r0, const BIGNUM *i, RSA *rsa);
#endif
static int RSA_null_init(RSA *rsa);
static int RSA_null_finish(RSA *rsa);
static RSA_METHOD rsa_null_meth = {
@@ -82,6 +136,14 @@ static int RSA_null_public_decrypt(int flen, const unsigned char *from,
return -1;
}
#if 0 /* not currently used */
static int RSA_null_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
{
... err(RSA_F_RSA_NULL_MOD_EXP, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
return -1;
}
#endif
static int RSA_null_init(RSA *rsa)
{
return (1);

59
crypto/rsa/rsa_oaep.c
View File

@@ -1,10 +1,7 @@
/* crypto/rsa/rsa_oaep.c */
/*
* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* Written by Ulf Moeller. This software is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
*/
/* EME-OAEP as defined in RFC 2437 (PKCS #1 v2.0) */
@@ -20,15 +17,16 @@
* one-wayness. For the RSA function, this is an equivalent notion.
*/
#include "internal/constant_time_locl.h"
#include "constant_time_locl.h"
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include "rsa_locl.h"
#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
# include <stdio.h>
# include "cryptlib.h"
# include <openssl/bn.h>
# include <openssl/rsa.h>
# include <openssl/evp.h>
# include <openssl/rand.h>
# include <openssl/sha.h>
int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
const unsigned char *from, int flen,
@@ -78,11 +76,11 @@ int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
memcpy(db + emlen - flen - mdlen, from, (unsigned int)flen);
if (RAND_bytes(seed, mdlen) <= 0)
return 0;
#ifdef PKCS_TESTVECT
# ifdef PKCS_TESTVECT
memcpy(seed,
"\xaa\xfd\x12\xf6\x59\xca\xe6\x34\x89\xb4\x79\xe5\x07\x6d\xde\xc2\xf0\x6c\xb5\x8f",
20);
#endif
# endif
dbmask = OPENSSL_malloc(emlen - mdlen);
if (dbmask == NULL) {
@@ -239,8 +237,14 @@ int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1,
RSA_R_OAEP_DECODING_ERROR);
cleanup:
OPENSSL_free(db);
OPENSSL_free(em);
if (db != NULL) {
OPENSSL_cleanse(db, dblen);
OPENSSL_free(db);
}
if (em != NULL) {
OPENSSL_cleanse(em, num);
OPENSSL_free(em);
}
return mlen;
}
@@ -249,13 +253,12 @@ int PKCS1_MGF1(unsigned char *mask, long len,
{
long i, outlen = 0;
unsigned char cnt[4];
EVP_MD_CTX *c = EVP_MD_CTX_new();
EVP_MD_CTX c;
unsigned char md[EVP_MAX_MD_SIZE];
int mdlen;
int rv = -1;
if (c == NULL)
goto err;
EVP_MD_CTX_init(&c);
mdlen = EVP_MD_size(dgst);
if (mdlen < 0)
goto err;
@@ -264,16 +267,16 @@ int PKCS1_MGF1(unsigned char *mask, long len,
cnt[1] = (unsigned char)((i >> 16) & 255);
cnt[2] = (unsigned char)((i >> 8)) & 255;
cnt[3] = (unsigned char)(i & 255);
if (!EVP_DigestInit_ex(c, dgst, NULL)
|| !EVP_DigestUpdate(c, seed, seedlen)
|| !EVP_DigestUpdate(c, cnt, 4))
if (!EVP_DigestInit_ex(&c, dgst, NULL)
|| !EVP_DigestUpdate(&c, seed, seedlen)
|| !EVP_DigestUpdate(&c, cnt, 4))
goto err;
if (outlen + mdlen <= len) {
if (!EVP_DigestFinal_ex(c, mask + outlen, NULL))
if (!EVP_DigestFinal_ex(&c, mask + outlen, NULL))
goto err;
outlen += mdlen;
} else {
if (!EVP_DigestFinal_ex(c, md, NULL))
if (!EVP_DigestFinal_ex(&c, md, NULL))
goto err;
memcpy(mask + outlen, md, len - outlen);
outlen = len;
@@ -281,6 +284,8 @@ int PKCS1_MGF1(unsigned char *mask, long len,
}
rv = 0;
err:
EVP_MD_CTX_free(c);
EVP_MD_CTX_cleanup(&c);
return rv;
}
#endif

100
crypto/rsa/rsa_pk1.c
View File

@@ -1,16 +1,65 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_pk1.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include "internal/constant_time_locl.h"
#include "constant_time_locl.h"
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
@@ -49,28 +98,7 @@ int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
const unsigned char *p;
p = from;
/*
* The format is
* 00 || 01 || PS || 00 || D
* PS - padding string, at least 8 bytes of FF
* D - data.
*/
if (num < 11)
return -1;
/* Accept inputs with and without the leading 0-byte. */
if (num == flen) {
if ((*p++) != 0x00) {
RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,
RSA_R_INVALID_PADDING);
return -1;
}
flen--;
}
if ((num != (flen + 1)) || (*(p++) != 0x01)) {
if ((num != (flen + 1)) || (*(p++) != 01)) {
RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,
RSA_R_BLOCK_TYPE_IS_NOT_01);
return (-1);
@@ -175,15 +203,16 @@ int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
if (num < 11)
goto err;
em = OPENSSL_zalloc(num);
em = OPENSSL_malloc(num);
if (em == NULL) {
RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, ERR_R_MALLOC_FAILURE);
return -1;
}
memset(em, 0, num);
/*
* Always do this zero-padding copy (even when num == flen) to avoid
* leaking that information. The copy still leaks some side-channel
* information, but it's impossible to have a fixed memory access
* information, but it's impossible to have a fixed memory access
* pattern since we can't read out of the bounds of |from|.
*
* TODO(emilia): Consider porting BN_bn2bin_padded from BoringSSL.
@@ -226,8 +255,6 @@ int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
* We can't continue in constant-time because we need to copy the result
* and we cannot fake its length. This unavoidably leaks timing
* information at the API boundary.
* TODO(emilia): this could be addressed at the call site,
* see BoringSSL commit 0aa0767340baf925bda4804882aab0cb974b2d26.
*/
if (!good) {
mlen = -1;
@@ -237,7 +264,10 @@ int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
memcpy(to, em + msg_index, mlen);
err:
OPENSSL_free(em);
if (em != NULL) {
OPENSSL_cleanse(em, num);
OPENSSL_free(em);
}
if (mlen == -1)
RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,
RSA_R_PKCS_DECODING_ERROR);

299
crypto/rsa/rsa_pmeth.c
View File

@@ -1,22 +1,77 @@
/* crypto/rsa/rsa_pmeth.c */
/*
* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/x509v3.h>
#include <openssl/cms.h>
#include "internal/evp_int.h"
#ifndef OPENSSL_NO_CMS
# include <openssl/cms.h>
#endif
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
#endif
#include "evp_locl.h"
#include "rsa_locl.h"
/* RSA pkey context structure */
@@ -45,12 +100,21 @@ typedef struct {
static int pkey_rsa_init(EVP_PKEY_CTX *ctx)
{
RSA_PKEY_CTX *rctx;
rctx = OPENSSL_zalloc(sizeof(*rctx));
if (rctx == NULL)
rctx = OPENSSL_malloc(sizeof(RSA_PKEY_CTX));
if (!rctx)
return 0;
rctx->nbits = 1024;
rctx->pub_exp = NULL;
rctx->pad_mode = RSA_PKCS1_PADDING;
rctx->md = NULL;
rctx->mgf1md = NULL;
rctx->tbuf = NULL;
rctx->saltlen = -2;
rctx->oaep_label = NULL;
rctx->oaep_labellen = 0;
ctx->data = rctx;
ctx->keygen_info = rctx->gentmp;
ctx->keygen_info_count = 2;
@@ -75,8 +139,9 @@ static int pkey_rsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
dctx->md = sctx->md;
dctx->mgf1md = sctx->mgf1md;
if (sctx->oaep_label) {
OPENSSL_free(dctx->oaep_label);
dctx->oaep_label = OPENSSL_memdup(sctx->oaep_label, sctx->oaep_labellen);
if (dctx->oaep_label)
OPENSSL_free(dctx->oaep_label);
dctx->oaep_label = BUF_memdup(sctx->oaep_label, sctx->oaep_labellen);
if (!dctx->oaep_label)
return 0;
dctx->oaep_labellen = sctx->oaep_labellen;
@@ -89,7 +154,7 @@ static int setup_tbuf(RSA_PKEY_CTX *ctx, EVP_PKEY_CTX *pk)
if (ctx->tbuf)
return 1;
ctx->tbuf = OPENSSL_malloc(EVP_PKEY_size(pk->pkey));
if (ctx->tbuf == NULL)
if (!ctx->tbuf)
return 0;
return 1;
}
@@ -98,13 +163,48 @@ static void pkey_rsa_cleanup(EVP_PKEY_CTX *ctx)
{
RSA_PKEY_CTX *rctx = ctx->data;
if (rctx) {
BN_free(rctx->pub_exp);
OPENSSL_free(rctx->tbuf);
OPENSSL_free(rctx->oaep_label);
if (rctx->pub_exp)
BN_free(rctx->pub_exp);
if (rctx->tbuf)
OPENSSL_free(rctx->tbuf);
if (rctx->oaep_label)
OPENSSL_free(rctx->oaep_label);
OPENSSL_free(rctx);
}
}
#ifdef OPENSSL_FIPS
/*
* FIP checker. Return value indicates status of context parameters: 1 :
* redirect to FIPS. 0 : don't redirect to FIPS. -1 : illegal operation in
* FIPS mode.
*/
static int pkey_fips_check_rsa(const RSA *rsa, const EVP_MD **pmd,
const EVP_MD **pmgf1md)
{
int rv = -1;
if (!FIPS_mode())
return 0;
if (rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)
rv = 0;
if (!(rsa->meth->flags & RSA_FLAG_FIPS_METHOD) && rv)
return -1;
if (*pmd != NULL) {
*pmd = FIPS_get_digestbynid(EVP_MD_type(*pmd));
if (*pmd == NULL || !((*pmd)->flags & EVP_MD_FLAG_FIPS))
return rv;
}
if (*pmgf1md != NULL) {
*pmgf1md = FIPS_get_digestbynid(EVP_MD_type(*pmgf1md));
if (*pmgf1md == NULL || !((*pmgf1md)->flags & EVP_MD_FLAG_FIPS))
return rv;
}
return 1;
}
#endif
static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
size_t *siglen, const unsigned char *tbs,
size_t tbslen)
@@ -112,19 +212,41 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
int ret;
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
const EVP_MD *md = rctx->md;
const EVP_MD *mgf1md = rctx->mgf1md;
if (rctx->md) {
if (tbslen != (size_t)EVP_MD_size(rctx->md)) {
#ifdef OPENSSL_FIPS
ret = pkey_fips_check_rsa(rsa, &md, &mgf1md);
if (ret < 0) {
RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
return -1;
}
#endif
if (md != NULL) {
if (tbslen != (size_t)EVP_MD_size(md)) {
RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_INVALID_DIGEST_LENGTH);
return -1;
}
#ifdef OPENSSL_FIPS
if (ret > 0) {
unsigned int slen;
ret = FIPS_rsa_sign_digest(rsa, tbs, tbslen, md, rctx->pad_mode,
rctx->saltlen, mgf1md, sig, &slen);
if (ret > 0)
*siglen = slen;
else
*siglen = 0;
return ret;
}
#endif
if (EVP_MD_type(rctx->md) == NID_mdc2) {
if (EVP_MD_type(md) == NID_mdc2) {
unsigned int sltmp;
if (rctx->pad_mode != RSA_PKCS1_PADDING)
return -1;
ret = RSA_sign_ASN1_OCTET_STRING(0,
tbs, tbslen, sig, &sltmp, rsa);
ret = RSA_sign_ASN1_OCTET_STRING(NID_mdc2, tbs, tbslen, sig, &sltmp,
rsa);
if (ret <= 0)
return ret;
@@ -139,23 +261,20 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
return -1;
}
memcpy(rctx->tbuf, tbs, tbslen);
rctx->tbuf[tbslen] = RSA_X931_hash_id(EVP_MD_type(rctx->md));
rctx->tbuf[tbslen] = RSA_X931_hash_id(EVP_MD_type(md));
ret = RSA_private_encrypt(tbslen + 1, rctx->tbuf,
sig, rsa, RSA_X931_PADDING);
} else if (rctx->pad_mode == RSA_PKCS1_PADDING) {
unsigned int sltmp;
ret = RSA_sign(EVP_MD_type(rctx->md),
tbs, tbslen, sig, &sltmp, rsa);
ret = RSA_sign(EVP_MD_type(md), tbs, tbslen, sig, &sltmp, rsa);
if (ret <= 0)
return ret;
ret = sltmp;
} else if (rctx->pad_mode == RSA_PKCS1_PSS_PADDING) {
if (!setup_tbuf(rctx, ctx))
return -1;
if (!RSA_padding_add_PKCS1_PSS_mgf1(rsa,
rctx->tbuf, tbs,
rctx->md, rctx->mgf1md,
rctx->saltlen))
if (!RSA_padding_add_PKCS1_PSS_mgf1(rsa, rctx->tbuf, tbs,
md, mgf1md, rctx->saltlen))
return -1;
ret = RSA_private_encrypt(RSA_size(rsa), rctx->tbuf,
sig, rsa, RSA_NO_PADDING);
@@ -164,7 +283,6 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
} else
ret = RSA_private_encrypt(tbslen, tbs, sig, ctx->pkey->pkey.rsa,
rctx->pad_mode);
if (ret < 0)
return ret;
*siglen = ret;
@@ -225,12 +343,31 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
{
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
const EVP_MD *md = rctx->md;
const EVP_MD *mgf1md = rctx->mgf1md;
size_t rslen;
if (rctx->md) {
#ifdef OPENSSL_FIPS
int rv = pkey_fips_check_rsa(rsa, &md, &mgf1md);
if (rv < 0) {
RSAerr(RSA_F_PKEY_RSA_VERIFY,
RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
return -1;
}
#endif
if (md != NULL) {
#ifdef OPENSSL_FIPS
if (rv > 0) {
return FIPS_rsa_verify_digest(rsa, tbs, tbslen, md, rctx->pad_mode,
rctx->saltlen, mgf1md, sig, siglen);
}
#endif
if (rctx->pad_mode == RSA_PKCS1_PADDING)
return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
return RSA_verify(EVP_MD_type(md), tbs, tbslen,
sig, siglen, rsa);
if (tbslen != (size_t)EVP_MD_size(rctx->md)) {
if (tbslen != (size_t)EVP_MD_size(md)) {
RSAerr(RSA_F_PKEY_RSA_VERIFY, RSA_R_INVALID_DIGEST_LENGTH);
return -1;
}
@@ -245,8 +382,7 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
rsa, RSA_NO_PADDING);
if (ret <= 0)
return 0;
ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs,
rctx->md, rctx->mgf1md,
ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs, md, mgf1md,
rctx->tbuf, rctx->saltlen);
if (ret <= 0)
return 0;
@@ -303,19 +439,14 @@ static int pkey_rsa_decrypt(EVP_PKEY_CTX *ctx,
int ret;
RSA_PKEY_CTX *rctx = ctx->data;
if (rctx->pad_mode == RSA_PKCS1_OAEP_PADDING) {
int i;
if (!setup_tbuf(rctx, ctx))
return -1;
ret = RSA_private_decrypt(inlen, in, rctx->tbuf,
ctx->pkey->pkey.rsa, RSA_NO_PADDING);
if (ret <= 0)
return ret;
for (i = 0; i < ret; i++) {
if (rctx->tbuf[i])
break;
}
ret = RSA_padding_check_PKCS1_OAEP_mgf1(out, ret, rctx->tbuf + i,
ret - i, ret,
ret = RSA_padding_check_PKCS1_OAEP_mgf1(out, ret, rctx->tbuf,
ret, ret,
rctx->oaep_label,
rctx->oaep_labellen,
rctx->md, rctx->mgf1md);
@@ -330,46 +461,20 @@ static int pkey_rsa_decrypt(EVP_PKEY_CTX *ctx,
static int check_padding_md(const EVP_MD *md, int padding)
{
int mdnid;
if (!md)
return 1;
mdnid = EVP_MD_type(md);
if (padding == RSA_NO_PADDING) {
RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_PADDING_MODE);
return 0;
}
if (padding == RSA_X931_PADDING) {
if (RSA_X931_hash_id(mdnid) == -1) {
if (RSA_X931_hash_id(EVP_MD_type(md)) == -1) {
RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_X931_DIGEST);
return 0;
}
} else {
switch(mdnid) {
/* List of all supported RSA digests */
case NID_sha1:
case NID_sha224:
case NID_sha256:
case NID_sha384:
case NID_sha512:
case NID_md5:
case NID_md5_sha1:
case NID_md2:
case NID_md4:
case NID_mdc2:
case NID_ripemd160:
#ifndef OPENSSL_NO_SM3
case NID_sm3:
#endif
return 1;
default:
RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_DIGEST);
return 0;
}
return 1;
}
return 1;
@@ -424,8 +529,8 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
return 1;
case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
if (p1 < 512) {
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_KEY_SIZE_TOO_SMALL);
if (p1 < 256) {
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_KEYBITS);
return -2;
}
rctx->nbits = p1;
@@ -483,7 +588,8 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
return -2;
}
OPENSSL_free(rctx->oaep_label);
if (rctx->oaep_label)
OPENSSL_free(rctx->oaep_label);
if (p2 && p1 > 0) {
rctx->oaep_label = p2;
rctx->oaep_labellen = p1;
@@ -530,21 +636,21 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_VALUE_MISSING);
return 0;
}
if (strcmp(type, "rsa_padding_mode") == 0) {
if (!strcmp(type, "rsa_padding_mode")) {
int pm;
if (strcmp(value, "pkcs1") == 0)
if (!strcmp(value, "pkcs1"))
pm = RSA_PKCS1_PADDING;
else if (strcmp(value, "sslv23") == 0)
else if (!strcmp(value, "sslv23"))
pm = RSA_SSLV23_PADDING;
else if (strcmp(value, "none") == 0)
else if (!strcmp(value, "none"))
pm = RSA_NO_PADDING;
else if (strcmp(value, "oeap") == 0)
else if (!strcmp(value, "oeap"))
pm = RSA_PKCS1_OAEP_PADDING;
else if (strcmp(value, "oaep") == 0)
else if (!strcmp(value, "oaep"))
pm = RSA_PKCS1_OAEP_PADDING;
else if (strcmp(value, "x931") == 0)
else if (!strcmp(value, "x931"))
pm = RSA_X931_PADDING;
else if (strcmp(value, "pss") == 0)
else if (!strcmp(value, "pss"))
pm = RSA_PKCS1_PSS_PADDING;
else {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_UNKNOWN_PADDING_TYPE);
@@ -553,19 +659,19 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
return EVP_PKEY_CTX_set_rsa_padding(ctx, pm);
}
if (strcmp(type, "rsa_pss_saltlen") == 0) {
if (!strcmp(type, "rsa_pss_saltlen")) {
int saltlen;
saltlen = atoi(value);
return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, saltlen);
}
if (strcmp(type, "rsa_keygen_bits") == 0) {
if (!strcmp(type, "rsa_keygen_bits")) {
int nbits;
nbits = atoi(value);
return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, nbits);
}
if (strcmp(type, "rsa_keygen_pubexp") == 0) {
if (!strcmp(type, "rsa_keygen_pubexp")) {
int ret;
BIGNUM *pubexp = NULL;
if (!BN_asc2bn(&pubexp, value))
@@ -576,28 +682,28 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
return ret;
}
if (strcmp(type, "rsa_mgf1_md") == 0) {
if (!strcmp(type, "rsa_mgf1_md")) {
const EVP_MD *md;
if ((md = EVP_get_digestbyname(value)) == NULL) {
if (!(md = EVP_get_digestbyname(value))) {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md);
}
if (strcmp(type, "rsa_oaep_md") == 0) {
if (!strcmp(type, "rsa_oaep_md")) {
const EVP_MD *md;
if ((md = EVP_get_digestbyname(value)) == NULL) {
if (!(md = EVP_get_digestbyname(value))) {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md);
}
if (strcmp(type, "rsa_oaep_label") == 0) {
if (!strcmp(type, "rsa_oaep_label")) {
unsigned char *lab;
long lablen;
int ret;
lab = OPENSSL_hexstr2buf(value, &lablen);
lab = string_to_hex(value, &lablen);
if (!lab)
return 0;
ret = EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, lab, lablen);
@@ -613,27 +719,22 @@ static int pkey_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
RSA *rsa = NULL;
RSA_PKEY_CTX *rctx = ctx->data;
BN_GENCB *pcb;
BN_GENCB *pcb, cb;
int ret;
if (rctx->pub_exp == NULL) {
if (!rctx->pub_exp) {
rctx->pub_exp = BN_new();
if (rctx->pub_exp == NULL || !BN_set_word(rctx->pub_exp, RSA_F4))
if (!rctx->pub_exp || !BN_set_word(rctx->pub_exp, RSA_F4))
return 0;
}
rsa = RSA_new();
if (rsa == NULL)
if (!rsa)
return 0;
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL) {
RSA_free(rsa);
return 0;
}
pcb = &cb;
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
ret = RSA_generate_key_ex(rsa, rctx->nbits, rctx->pub_exp, pcb);
BN_GENCB_free(pcb);
if (ret > 0)
EVP_PKEY_assign_RSA(pkey, rsa);
else

66
crypto/rsa/rsa_prn.c
View File

@@ -1,18 +1,68 @@
/* crypto/rsa/rsa_prn.c */
/*
* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/rsa.h>
#include <openssl/evp.h>
#ifndef OPENSSL_NO_STDIO
#ifndef OPENSSL_NO_FP_API
int RSA_print_fp(FILE *fp, const RSA *x, int off)
{
BIO *b;
@@ -34,7 +84,7 @@ int RSA_print(BIO *bp, const RSA *x, int off)
EVP_PKEY *pk;
int ret;
pk = EVP_PKEY_new();
if (pk == NULL || !EVP_PKEY_set1_RSA(pk, (RSA *)x))
if (!pk || !EVP_PKEY_set1_RSA(pk, (RSA *)x))
return 0;
ret = EVP_PKEY_print_private(bp, pk, off, NULL);
EVP_PKEY_free(pk);

123
crypto/rsa/rsa_pss.c
View File

@@ -1,20 +1,69 @@
/* rsa_pss.c */
/*
* Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2005.
*/
/* ====================================================================
* Copyright (c) 2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include "rsa_locl.h"
static const unsigned char zeroes[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
@@ -38,12 +87,9 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
int hLen, maskedDBLen, MSBits, emLen;
const unsigned char *H;
unsigned char *DB = NULL;
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
EVP_MD_CTX ctx;
unsigned char H_[EVP_MAX_MD_SIZE];
if (ctx == NULL)
goto err;
EVP_MD_CTX_init(&ctx);
if (mgf1Hash == NULL)
mgf1Hash = Hash;
@@ -76,7 +122,11 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
EM++;
emLen--;
}
if (emLen < (hLen + sLen + 2)) { /* sLen can be small negative */
if (emLen < hLen + 2) {
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_DATA_TOO_LARGE);
goto err;
}
if (sLen > emLen - hLen - 2) { /* sLen can be small negative */
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_DATA_TOO_LARGE);
goto err;
}
@@ -87,7 +137,7 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
maskedDBLen = emLen - hLen - 1;
H = EM + maskedDBLen;
DB = OPENSSL_malloc(maskedDBLen);
if (DB == NULL) {
if (!DB) {
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, ERR_R_MALLOC_FAILURE);
goto err;
}
@@ -106,15 +156,15 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_SLEN_CHECK_FAILED);
goto err;
}
if (!EVP_DigestInit_ex(ctx, Hash, NULL)
|| !EVP_DigestUpdate(ctx, zeroes, sizeof zeroes)
|| !EVP_DigestUpdate(ctx, mHash, hLen))
if (!EVP_DigestInit_ex(&ctx, Hash, NULL)
|| !EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes)
|| !EVP_DigestUpdate(&ctx, mHash, hLen))
goto err;
if (maskedDBLen - i) {
if (!EVP_DigestUpdate(ctx, DB + i, maskedDBLen - i))
if (!EVP_DigestUpdate(&ctx, DB + i, maskedDBLen - i))
goto err;
}
if (!EVP_DigestFinal_ex(ctx, H_, NULL))
if (!EVP_DigestFinal_ex(&ctx, H_, NULL))
goto err;
if (memcmp(H_, H, hLen)) {
RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1, RSA_R_BAD_SIGNATURE);
@@ -123,8 +173,9 @@ int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
ret = 1;
err:
OPENSSL_free(DB);
EVP_MD_CTX_free(ctx);
if (DB)
OPENSSL_free(DB);
EVP_MD_CTX_cleanup(&ctx);
return ret;
@@ -146,7 +197,7 @@ int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
int ret = 0;
int hLen, maskedDBLen, MSBits, emLen;
unsigned char *H, *salt = NULL, *p;
EVP_MD_CTX *ctx = NULL;
EVP_MD_CTX ctx;
if (mgf1Hash == NULL)
mgf1Hash = Hash;
@@ -175,16 +226,21 @@ int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
*EM++ = 0;
emLen--;
}
if (emLen < hLen + 2) {
RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1,
RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
goto err;
}
if (sLen == -2) {
sLen = emLen - hLen - 2;
} else if (emLen < (hLen + sLen + 2)) {
} else if (sLen > emLen - hLen - 2) {
RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1,
RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
goto err;
}
if (sLen > 0) {
salt = OPENSSL_malloc(sLen);
if (salt == NULL) {
if (!salt) {
RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1,
ERR_R_MALLOC_FAILURE);
goto err;
@@ -194,17 +250,16 @@ int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
}
maskedDBLen = emLen - hLen - 1;
H = EM + maskedDBLen;
ctx = EVP_MD_CTX_new();
if (ctx == NULL)
EVP_MD_CTX_init(&ctx);
if (!EVP_DigestInit_ex(&ctx, Hash, NULL)
|| !EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes)
|| !EVP_DigestUpdate(&ctx, mHash, hLen))
goto err;
if (!EVP_DigestInit_ex(ctx, Hash, NULL)
|| !EVP_DigestUpdate(ctx, zeroes, sizeof zeroes)
|| !EVP_DigestUpdate(ctx, mHash, hLen))
if (sLen && !EVP_DigestUpdate(&ctx, salt, sLen))
goto err;
if (sLen && !EVP_DigestUpdate(ctx, salt, sLen))
goto err;
if (!EVP_DigestFinal_ex(ctx, H, NULL))
if (!EVP_DigestFinal_ex(&ctx, H, NULL))
goto err;
EVP_MD_CTX_cleanup(&ctx);
/* Generate dbMask in place then perform XOR on it */
if (PKCS1_MGF1(EM, maskedDBLen, H, hLen, mgf1Hash))
@@ -232,8 +287,8 @@ int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
ret = 1;
err:
EVP_MD_CTX_free(ctx);
OPENSSL_free(salt);
if (salt)
OPENSSL_free(salt);
return ret;

78
crypto/rsa/rsa_saos.c
View File

@@ -1,14 +1,63 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_saos.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/objects.h>
@@ -34,7 +83,7 @@ int RSA_sign_ASN1_OCTET_STRING(int type,
RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
return (0);
}
s = OPENSSL_malloc((unsigned int)j + 1);
s = (unsigned char *)OPENSSL_malloc((unsigned int)j + 1);
if (s == NULL) {
RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
return (0);
@@ -47,7 +96,8 @@ int RSA_sign_ASN1_OCTET_STRING(int type,
else
*siglen = i;
OPENSSL_clear_free(s, (unsigned int)j + 1);
OPENSSL_cleanse(s, (unsigned int)j + 1);
OPENSSL_free(s);
return (ret);
}
@@ -67,7 +117,7 @@ int RSA_verify_ASN1_OCTET_STRING(int dtype,
return (0);
}
s = OPENSSL_malloc((unsigned int)siglen);
s = (unsigned char *)OPENSSL_malloc((unsigned int)siglen);
if (s == NULL) {
RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
goto err;
@@ -88,7 +138,11 @@ int RSA_verify_ASN1_OCTET_STRING(int dtype,
} else
ret = 1;
err:
ASN1_OCTET_STRING_free(sig);
OPENSSL_clear_free(s, (unsigned int)siglen);
if (sig != NULL)
M_ASN1_OCTET_STRING_free(sig);
if (s != NULL) {
OPENSSL_cleanse(s, (unsigned int)siglen);
OPENSSL_free(s);
}
return (ret);
}

465
crypto/rsa/rsa_sign.c
View File

@@ -1,248 +1,301 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_sign.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include "internal/x509_int.h"
#include "rsa_locl.h"
/* Size of an SSL signature: MD5+SHA1 */
#define SSL_SIG_LENGTH 36
/*
* encode_pkcs1 encodes a DigestInfo prefix of hash |type| and digest |m|, as
* described in EMSA-PKCS1-v1_5-ENCODE, RFC 3447 section 9.2 step 2. This
* encodes the DigestInfo (T and tLen) but does not add the padding.
*
* On success, it returns one and sets |*out| to a newly allocated buffer
* containing the result and |*out_len| to its length. The caller must free
* |*out| with |OPENSSL_free|. Otherwise, it returns zero.
*/
static int encode_pkcs1(unsigned char **out, int *out_len, int type,
const unsigned char *m, unsigned int m_len)
{
X509_SIG sig;
X509_ALGOR algor;
ASN1_TYPE parameter;
ASN1_OCTET_STRING digest;
uint8_t *der = NULL;
int len;
sig.algor = &algor;
sig.algor->algorithm = OBJ_nid2obj(type);
if (sig.algor->algorithm == NULL) {
RSAerr(RSA_F_ENCODE_PKCS1, RSA_R_UNKNOWN_ALGORITHM_TYPE);
return 0;
}
if (OBJ_length(sig.algor->algorithm) == 0) {
RSAerr(RSA_F_ENCODE_PKCS1,
RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD);
return 0;
}
parameter.type = V_ASN1_NULL;
parameter.value.ptr = NULL;
sig.algor->parameter = &parameter;
sig.digest = &digest;
sig.digest->data = (unsigned char *)m;
sig.digest->length = m_len;
len = i2d_X509_SIG(&sig, &der);
if (len < 0)
return 0;
*out = der;
*out_len = len;
return 1;
}
int RSA_sign(int type, const unsigned char *m, unsigned int m_len,
unsigned char *sigret, unsigned int *siglen, RSA *rsa)
{
int encrypt_len, encoded_len = 0, ret = 0;
unsigned char *tmps = NULL;
const unsigned char *encoded = NULL;
if (rsa->meth->rsa_sign) {
X509_SIG sig;
ASN1_TYPE parameter;
int i, j, ret = 1;
unsigned char *p, *tmps = NULL;
const unsigned char *s = NULL;
X509_ALGOR algor;
ASN1_OCTET_STRING digest;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_NON_FIPS_RSA_METHOD);
return 0;
}
#endif
if ((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_sign) {
return rsa->meth->rsa_sign(type, m, m_len, sigret, siglen, rsa);
}
/* Compute the encoded digest. */
/* Special case: SSL signature, just check the length */
if (type == NID_md5_sha1) {
/*
* NID_md5_sha1 corresponds to the MD5/SHA1 combination in TLS 1.1 and
* earlier. It has no DigestInfo wrapper but otherwise is
* RSASSA-PKCS1-v1_5.
*/
if (m_len != SSL_SIG_LENGTH) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_INVALID_MESSAGE_LENGTH);
return 0;
return (0);
}
encoded_len = SSL_SIG_LENGTH;
encoded = m;
i = SSL_SIG_LENGTH;
s = m;
} else {
if (!encode_pkcs1(&tmps, &encoded_len, type, m, m_len))
goto err;
encoded = tmps;
}
sig.algor = &algor;
sig.algor->algorithm = OBJ_nid2obj(type);
if (sig.algor->algorithm == NULL) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_UNKNOWN_ALGORITHM_TYPE);
return (0);
}
if (sig.algor->algorithm->length == 0) {
RSAerr(RSA_F_RSA_SIGN,
RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD);
return (0);
}
parameter.type = V_ASN1_NULL;
parameter.value.ptr = NULL;
sig.algor->parameter = &parameter;
if (encoded_len > RSA_size(rsa) - RSA_PKCS1_PADDING_SIZE) {
sig.digest = &digest;
sig.digest->data = (unsigned char *)m; /* TMP UGLY CAST */
sig.digest->length = m_len;
i = i2d_X509_SIG(&sig, NULL);
}
j = RSA_size(rsa);
if (i > (j - RSA_PKCS1_PADDING_SIZE)) {
RSAerr(RSA_F_RSA_SIGN, RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
goto err;
return (0);
}
encrypt_len = RSA_private_encrypt(encoded_len, encoded, sigret, rsa,
RSA_PKCS1_PADDING);
if (encrypt_len <= 0)
goto err;
if (type != NID_md5_sha1) {
tmps = (unsigned char *)OPENSSL_malloc((unsigned int)j + 1);
if (tmps == NULL) {
RSAerr(RSA_F_RSA_SIGN, ERR_R_MALLOC_FAILURE);
return (0);
}
p = tmps;
i2d_X509_SIG(&sig, &p);
s = tmps;
}
i = RSA_private_encrypt(i, s, sigret, rsa, RSA_PKCS1_PADDING);
if (i <= 0)
ret = 0;
else
*siglen = i;
*siglen = encrypt_len;
ret = 1;
err:
OPENSSL_clear_free(tmps, (size_t)encoded_len);
return ret;
if (type != NID_md5_sha1) {
OPENSSL_cleanse(tmps, (unsigned int)j + 1);
OPENSSL_free(tmps);
}
return (ret);
}
/*
* int_rsa_verify verifies an RSA signature in |sigbuf| using |rsa|. It may be
* called in two modes. If |rm| is NULL, it verifies the signature for digest
* |m|. Otherwise, it recovers the digest from the signature, writing the digest
* to |rm| and the length to |*prm_len|. |type| is the NID of the digest
* algorithm to use. It returns one on successful verification and zero
* otherwise.
* Check DigestInfo structure does not contain extraneous data by reencoding
* using DER and checking encoding against original.
*/
int int_rsa_verify(int type, const unsigned char *m, unsigned int m_len,
unsigned char *rm, size_t *prm_len,
const unsigned char *sigbuf, size_t siglen, RSA *rsa)
static int rsa_check_digestinfo(X509_SIG *sig, const unsigned char *dinfo,
int dinfolen)
{
int decrypt_len, ret = 0, encoded_len = 0;
unsigned char *decrypt_buf = NULL, *encoded = NULL;
if (siglen != (size_t)RSA_size(rsa)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_WRONG_SIGNATURE_LENGTH);
unsigned char *der = NULL;
int derlen;
int ret = 0;
derlen = i2d_X509_SIG(sig, &der);
if (derlen <= 0)
return 0;
}
/* Recover the encoded digest. */
decrypt_buf = OPENSSL_malloc(siglen);
if (decrypt_buf == NULL) {
RSAerr(RSA_F_INT_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
goto err;
}
decrypt_len = RSA_public_decrypt((int)siglen, sigbuf, decrypt_buf, rsa,
RSA_PKCS1_PADDING);
if (decrypt_len <= 0)
goto err;
if (type == NID_md5_sha1) {
/*
* NID_md5_sha1 corresponds to the MD5/SHA1 combination in TLS 1.1 and
* earlier. It has no DigestInfo wrapper but otherwise is
* RSASSA-PKCS1-v1_5.
*/
if (decrypt_len != SSL_SIG_LENGTH) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
if (rm != NULL) {
memcpy(rm, decrypt_buf, SSL_SIG_LENGTH);
*prm_len = SSL_SIG_LENGTH;
} else {
if (m_len != SSL_SIG_LENGTH) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_INVALID_MESSAGE_LENGTH);
goto err;
}
if (memcmp(decrypt_buf, m, SSL_SIG_LENGTH) != 0) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
}
} else if (type == NID_mdc2 && decrypt_len == 2 + 16
&& decrypt_buf[0] == 0x04 && decrypt_buf[1] == 0x10) {
/*
* Oddball MDC2 case: signature can be OCTET STRING. check for correct
* tag and length octets.
*/
if (rm != NULL) {
memcpy(rm, decrypt_buf + 2, 16);
*prm_len = 16;
} else {
if (m_len != 16) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_INVALID_MESSAGE_LENGTH);
goto err;
}
if (memcmp(m, decrypt_buf + 2, 16) != 0) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
}
} else {
/*
* If recovering the digest, extract a digest-sized output from the end
* of |decrypt_buf| for |encode_pkcs1|, then compare the decryption
* output as in a standard verification.
*/
if (rm != NULL) {
const EVP_MD *md = EVP_get_digestbynid(type);
if (md == NULL) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_UNKNOWN_ALGORITHM_TYPE);
goto err;
}
m_len = EVP_MD_size(md);
if (m_len > (size_t)decrypt_len) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_INVALID_DIGEST_LENGTH);
goto err;
}
m = decrypt_buf + decrypt_len - m_len;
}
/* Construct the encoded digest and ensure it matches. */
if (!encode_pkcs1(&encoded, &encoded_len, type, m, m_len))
goto err;
if (encoded_len != decrypt_len
|| memcmp(encoded, decrypt_buf, encoded_len) != 0) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
/* Output the recovered digest. */
if (rm != NULL) {
memcpy(rm, m, m_len);
*prm_len = m_len;
}
}
ret = 1;
err:
OPENSSL_clear_free(encoded, (size_t)encoded_len);
OPENSSL_clear_free(decrypt_buf, siglen);
if (derlen == dinfolen && !memcmp(dinfo, der, derlen))
ret = 1;
OPENSSL_cleanse(der, derlen);
OPENSSL_free(der);
return ret;
}
int RSA_verify(int type, const unsigned char *m, unsigned int m_len,
int int_rsa_verify(int dtype, const unsigned char *m,
unsigned int m_len,
unsigned char *rm, size_t *prm_len,
const unsigned char *sigbuf, size_t siglen, RSA *rsa)
{
int i, ret = 0, sigtype;
unsigned char *s;
X509_SIG *sig = NULL;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
&& !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_NON_FIPS_RSA_METHOD);
return 0;
}
#endif
if (siglen != (unsigned int)RSA_size(rsa)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_WRONG_SIGNATURE_LENGTH);
return (0);
}
if ((dtype == NID_md5_sha1) && rm) {
i = RSA_public_decrypt((int)siglen,
sigbuf, rm, rsa, RSA_PKCS1_PADDING);
if (i <= 0)
return 0;
*prm_len = i;
return 1;
}
s = (unsigned char *)OPENSSL_malloc((unsigned int)siglen);
if (s == NULL) {
RSAerr(RSA_F_INT_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
goto err;
}
if ((dtype == NID_md5_sha1) && (m_len != SSL_SIG_LENGTH)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_INVALID_MESSAGE_LENGTH);
goto err;
}
i = RSA_public_decrypt((int)siglen, sigbuf, s, rsa, RSA_PKCS1_PADDING);
if (i <= 0)
goto err;
/*
* Oddball MDC2 case: signature can be OCTET STRING. check for correct
* tag and length octets.
*/
if (dtype == NID_mdc2 && i == 18 && s[0] == 0x04 && s[1] == 0x10) {
if (rm) {
memcpy(rm, s + 2, 16);
*prm_len = 16;
ret = 1;
} else if (memcmp(m, s + 2, 16)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
} else {
ret = 1;
}
} else if (dtype == NID_md5_sha1) {
/* Special case: SSL signature */
if ((i != SSL_SIG_LENGTH) || memcmp(s, m, SSL_SIG_LENGTH))
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
else
ret = 1;
} else {
const unsigned char *p = s;
sig = d2i_X509_SIG(NULL, &p, (long)i);
if (sig == NULL)
goto err;
/* Excess data can be used to create forgeries */
if (p != s + i || !rsa_check_digestinfo(sig, s, i)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
/*
* Parameters to the signature algorithm can also be used to create
* forgeries
*/
if (sig->algor->parameter
&& ASN1_TYPE_get(sig->algor->parameter) != V_ASN1_NULL) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
goto err;
}
sigtype = OBJ_obj2nid(sig->algor->algorithm);
#ifdef RSA_DEBUG
/* put a backward compatibility flag in EAY */
fprintf(stderr, "in(%s) expect(%s)\n", OBJ_nid2ln(sigtype),
OBJ_nid2ln(dtype));
#endif
if (sigtype != dtype) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_ALGORITHM_MISMATCH);
goto err;
}
if (rm) {
const EVP_MD *md;
md = EVP_get_digestbynid(dtype);
if (md && (EVP_MD_size(md) != sig->digest->length))
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_INVALID_DIGEST_LENGTH);
else {
memcpy(rm, sig->digest->data, sig->digest->length);
*prm_len = sig->digest->length;
ret = 1;
}
} else if (((unsigned int)sig->digest->length != m_len) ||
(memcmp(m, sig->digest->data, m_len) != 0)) {
RSAerr(RSA_F_INT_RSA_VERIFY, RSA_R_BAD_SIGNATURE);
} else
ret = 1;
}
err:
if (sig != NULL)
X509_SIG_free(sig);
if (s != NULL) {
OPENSSL_cleanse(s, (unsigned int)siglen);
OPENSSL_free(s);
}
return (ret);
}
int RSA_verify(int dtype, const unsigned char *m, unsigned int m_len,
const unsigned char *sigbuf, unsigned int siglen, RSA *rsa)
{
if (rsa->meth->rsa_verify) {
return rsa->meth->rsa_verify(type, m, m_len, sigbuf, siglen, rsa);
if ((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_verify) {
return rsa->meth->rsa_verify(dtype, m, m_len, sigbuf, siglen, rsa);
}
return int_rsa_verify(type, m, m_len, NULL, NULL, sigbuf, siglen, rsa);
return int_rsa_verify(dtype, m, m_len, NULL, NULL, sigbuf, siglen, rsa);
}

63
crypto/rsa/rsa_ssl.c
View File

@@ -1,14 +1,63 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/rsa/rsa_ssl.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>

339
crypto/rsa/rsa_test.c Normal file
View File

@@ -0,0 +1,339 @@
/* test vectors from p1ovect1.txt */
#include <stdio.h>
#include <string.h>
#include "e_os.h"
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/bn.h>
#ifdef OPENSSL_NO_RSA
int main(int argc, char *argv[])
{
printf("No RSA support\n");
return (0);
}
#else
# include <openssl/rsa.h>
# define SetKey \
key->n = BN_bin2bn(n, sizeof(n)-1, key->n); \
key->e = BN_bin2bn(e, sizeof(e)-1, key->e); \
key->d = BN_bin2bn(d, sizeof(d)-1, key->d); \
key->p = BN_bin2bn(p, sizeof(p)-1, key->p); \
key->q = BN_bin2bn(q, sizeof(q)-1, key->q); \
key->dmp1 = BN_bin2bn(dmp1, sizeof(dmp1)-1, key->dmp1); \
key->dmq1 = BN_bin2bn(dmq1, sizeof(dmq1)-1, key->dmq1); \
key->iqmp = BN_bin2bn(iqmp, sizeof(iqmp)-1, key->iqmp); \
memcpy(c, ctext_ex, sizeof(ctext_ex) - 1); \
return (sizeof(ctext_ex) - 1);
static int key1(RSA *key, unsigned char *c)
{
static unsigned char n[] =
"\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
"\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
"\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
"\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
"\xF5";
static unsigned char e[] = "\x11";
static unsigned char d[] =
"\x0A\x03\x37\x48\x62\x64\x87\x69\x5F\x5F\x30\xBC\x38\xB9\x8B\x44"
"\xC2\xCD\x2D\xFF\x43\x40\x98\xCD\x20\xD8\xA1\x38\xD0\x90\xBF\x64"
"\x79\x7C\x3F\xA7\xA2\xCD\xCB\x3C\xD1\xE0\xBD\xBA\x26\x54\xB4\xF9"
"\xDF\x8E\x8A\xE5\x9D\x73\x3D\x9F\x33\xB3\x01\x62\x4A\xFD\x1D\x51";
static unsigned char p[] =
"\x00\xD8\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x12"
"\x0D";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
"\x89";
static unsigned char dmp1[] =
"\x59\x0B\x95\x72\xA2\xC2\xA9\xC4\x06\x05\x9D\xC2\xAB\x2F\x1D\xAF"
"\xEB\x7E\x8B\x4F\x10\xA7\x54\x9E\x8E\xED\xF5\xB4\xFC\xE0\x9E\x05";
static unsigned char dmq1[] =
"\x00\x8E\x3C\x05\x21\xFE\x15\xE0\xEA\x06\xA3\x6F\xF0\xF1\x0C\x99"
"\x52\xC3\x5B\x7A\x75\x14\xFD\x32\x38\xB8\x0A\xAD\x52\x98\x62\x8D"
"\x51";
static unsigned char iqmp[] =
"\x36\x3F\xF7\x18\x9D\xA8\xE9\x0B\x1D\x34\x1F\x71\xD0\x9B\x76\xA8"
"\xA9\x43\xE1\x1D\x10\xB2\x4D\x24\x9F\x2D\xEA\xFE\xF8\x0C\x18\x26";
static unsigned char ctext_ex[] =
"\x1b\x8f\x05\xf9\xca\x1a\x79\x52\x6e\x53\xf3\xcc\x51\x4f\xdb\x89"
"\x2b\xfb\x91\x93\x23\x1e\x78\xb9\x92\xe6\x8d\x50\xa4\x80\xcb\x52"
"\x33\x89\x5c\x74\x95\x8d\x5d\x02\xab\x8c\x0f\xd0\x40\xeb\x58\x44"
"\xb0\x05\xc3\x9e\xd8\x27\x4a\x9d\xbf\xa8\x06\x71\x40\x94\x39\xd2";
SetKey;
}
static int key2(RSA *key, unsigned char *c)
{
static unsigned char n[] =
"\x00\xA3\x07\x9A\x90\xDF\x0D\xFD\x72\xAC\x09\x0C\xCC\x2A\x78\xB8"
"\x74\x13\x13\x3E\x40\x75\x9C\x98\xFA\xF8\x20\x4F\x35\x8A\x0B\x26"
"\x3C\x67\x70\xE7\x83\xA9\x3B\x69\x71\xB7\x37\x79\xD2\x71\x7B\xE8"
"\x34\x77\xCF";
static unsigned char e[] = "\x3";
static unsigned char d[] =
"\x6C\xAF\xBC\x60\x94\xB3\xFE\x4C\x72\xB0\xB3\x32\xC6\xFB\x25\xA2"
"\xB7\x62\x29\x80\x4E\x68\x65\xFC\xA4\x5A\x74\xDF\x0F\x8F\xB8\x41"
"\x3B\x52\xC0\xD0\xE5\x3D\x9B\x59\x0F\xF1\x9B\xE7\x9F\x49\xDD\x21"
"\xE5\xEB";
static unsigned char p[] =
"\x00\xCF\x20\x35\x02\x8B\x9D\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92"
"\xEA\x0D\xA3\xB4\x32\x04\xB5\xCF\xCE\x91";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5F";
static unsigned char dmp1[] =
"\x00\x8A\x15\x78\xAC\x5D\x13\xAF\x10\x2B\x22\xB9\x99\xCD\x74\x61"
"\xF1\x5E\x6D\x22\xCC\x03\x23\xDF\xDF\x0B";
static unsigned char dmq1[] =
"\x00\x86\x55\x21\x4A\xC5\x4D\x8D\x4E\xCD\x61\x77\xF1\xC7\x36\x90"
"\xCE\x2A\x48\x2C\x8B\x05\x99\xCB\xE0\x3F";
static unsigned char iqmp[] =
"\x00\x83\xEF\xEF\xB8\xA9\xA4\x0D\x1D\xB6\xED\x98\xAD\x84\xED\x13"
"\x35\xDC\xC1\x08\xF3\x22\xD0\x57\xCF\x8D";
static unsigned char ctext_ex[] =
"\x14\xbd\xdd\x28\xc9\x83\x35\x19\x23\x80\xe8\xe5\x49\xb1\x58\x2a"
"\x8b\x40\xb4\x48\x6d\x03\xa6\xa5\x31\x1f\x1f\xd5\xf0\xa1\x80\xe4"
"\x17\x53\x03\x29\xa9\x34\x90\x74\xb1\x52\x13\x54\x29\x08\x24\x52"
"\x62\x51";
SetKey;
}
static int key3(RSA *key, unsigned char *c)
{
static unsigned char n[] =
"\x00\xBB\xF8\x2F\x09\x06\x82\xCE\x9C\x23\x38\xAC\x2B\x9D\xA8\x71"
"\xF7\x36\x8D\x07\xEE\xD4\x10\x43\xA4\x40\xD6\xB6\xF0\x74\x54\xF5"
"\x1F\xB8\xDF\xBA\xAF\x03\x5C\x02\xAB\x61\xEA\x48\xCE\xEB\x6F\xCD"
"\x48\x76\xED\x52\x0D\x60\xE1\xEC\x46\x19\x71\x9D\x8A\x5B\x8B\x80"
"\x7F\xAF\xB8\xE0\xA3\xDF\xC7\x37\x72\x3E\xE6\xB4\xB7\xD9\x3A\x25"
"\x84\xEE\x6A\x64\x9D\x06\x09\x53\x74\x88\x34\xB2\x45\x45\x98\x39"
"\x4E\xE0\xAA\xB1\x2D\x7B\x61\xA5\x1F\x52\x7A\x9A\x41\xF6\xC1\x68"
"\x7F\xE2\x53\x72\x98\xCA\x2A\x8F\x59\x46\xF8\xE5\xFD\x09\x1D\xBD"
"\xCB";
static unsigned char e[] = "\x11";
static unsigned char d[] =
"\x00\xA5\xDA\xFC\x53\x41\xFA\xF2\x89\xC4\xB9\x88\xDB\x30\xC1\xCD"
"\xF8\x3F\x31\x25\x1E\x06\x68\xB4\x27\x84\x81\x38\x01\x57\x96\x41"
"\xB2\x94\x10\xB3\xC7\x99\x8D\x6B\xC4\x65\x74\x5E\x5C\x39\x26\x69"
"\xD6\x87\x0D\xA2\xC0\x82\xA9\x39\xE3\x7F\xDC\xB8\x2E\xC9\x3E\xDA"
"\xC9\x7F\xF3\xAD\x59\x50\xAC\xCF\xBC\x11\x1C\x76\xF1\xA9\x52\x94"
"\x44\xE5\x6A\xAF\x68\xC5\x6C\x09\x2C\xD3\x8D\xC3\xBE\xF5\xD2\x0A"
"\x93\x99\x26\xED\x4F\x74\xA1\x3E\xDD\xFB\xE1\xA1\xCE\xCC\x48\x94"
"\xAF\x94\x28\xC2\xB7\xB8\x88\x3F\xE4\x46\x3A\x4B\xC8\x5B\x1C\xB3"
"\xC1";
static unsigned char p[] =
"\x00\xEE\xCF\xAE\x81\xB1\xB9\xB3\xC9\x08\x81\x0B\x10\xA1\xB5\x60"
"\x01\x99\xEB\x9F\x44\xAE\xF4\xFD\xA4\x93\xB8\x1A\x9E\x3D\x84\xF6"
"\x32\x12\x4E\xF0\x23\x6E\x5D\x1E\x3B\x7E\x28\xFA\xE7\xAA\x04\x0A"
"\x2D\x5B\x25\x21\x76\x45\x9D\x1F\x39\x75\x41\xBA\x2A\x58\xFB\x65"
"\x99";
static unsigned char q[] =
"\x00\xC9\x7F\xB1\xF0\x27\xF4\x53\xF6\x34\x12\x33\xEA\xAA\xD1\xD9"
"\x35\x3F\x6C\x42\xD0\x88\x66\xB1\xD0\x5A\x0F\x20\x35\x02\x8B\x9D"
"\x86\x98\x40\xB4\x16\x66\xB4\x2E\x92\xEA\x0D\xA3\xB4\x32\x04\xB5"
"\xCF\xCE\x33\x52\x52\x4D\x04\x16\xA5\xA4\x41\xE7\x00\xAF\x46\x15"
"\x03";
static unsigned char dmp1[] =
"\x54\x49\x4C\xA6\x3E\xBA\x03\x37\xE4\xE2\x40\x23\xFC\xD6\x9A\x5A"
"\xEB\x07\xDD\xDC\x01\x83\xA4\xD0\xAC\x9B\x54\xB0\x51\xF2\xB1\x3E"
"\xD9\x49\x09\x75\xEA\xB7\x74\x14\xFF\x59\xC1\xF7\x69\x2E\x9A\x2E"
"\x20\x2B\x38\xFC\x91\x0A\x47\x41\x74\xAD\xC9\x3C\x1F\x67\xC9\x81";
static unsigned char dmq1[] =
"\x47\x1E\x02\x90\xFF\x0A\xF0\x75\x03\x51\xB7\xF8\x78\x86\x4C\xA9"
"\x61\xAD\xBD\x3A\x8A\x7E\x99\x1C\x5C\x05\x56\xA9\x4C\x31\x46\xA7"
"\xF9\x80\x3F\x8F\x6F\x8A\xE3\x42\xE9\x31\xFD\x8A\xE4\x7A\x22\x0D"
"\x1B\x99\xA4\x95\x84\x98\x07\xFE\x39\xF9\x24\x5A\x98\x36\xDA\x3D";
static unsigned char iqmp[] =
"\x00\xB0\x6C\x4F\xDA\xBB\x63\x01\x19\x8D\x26\x5B\xDB\xAE\x94\x23"
"\xB3\x80\xF2\x71\xF7\x34\x53\x88\x50\x93\x07\x7F\xCD\x39\xE2\x11"
"\x9F\xC9\x86\x32\x15\x4F\x58\x83\xB1\x67\xA9\x67\xBF\x40\x2B\x4E"
"\x9E\x2E\x0F\x96\x56\xE6\x98\xEA\x36\x66\xED\xFB\x25\x79\x80\x39"
"\xF7";
static unsigned char ctext_ex[] =
"\xb8\x24\x6b\x56\xa6\xed\x58\x81\xae\xb5\x85\xd9\xa2\x5b\x2a\xd7"
"\x90\xc4\x17\xe0\x80\x68\x1b\xf1\xac\x2b\xc3\xde\xb6\x9d\x8b\xce"
"\xf0\xc4\x36\x6f\xec\x40\x0a\xf0\x52\xa7\x2e\x9b\x0e\xff\xb5\xb3"
"\xf2\xf1\x92\xdb\xea\xca\x03\xc1\x27\x40\x05\x71\x13\xbf\x1f\x06"
"\x69\xac\x22\xe9\xf3\xa7\x85\x2e\x3c\x15\xd9\x13\xca\xb0\xb8\x86"
"\x3a\x95\xc9\x92\x94\xce\x86\x74\x21\x49\x54\x61\x03\x46\xf4\xd4"
"\x74\xb2\x6f\x7c\x48\xb4\x2e\xe6\x8e\x1f\x57\x2a\x1f\xc4\x02\x6a"
"\xc4\x56\xb4\xf5\x9f\x7b\x62\x1e\xa1\xb9\xd8\x8f\x64\x20\x2f\xb1";
SetKey;
}
static int pad_unknown(void)
{
unsigned long l;
while ((l = ERR_get_error()) != 0)
if (ERR_GET_REASON(l) == RSA_R_UNKNOWN_PADDING_TYPE)
return (1);
return (0);
}
static const char rnd_seed[] =
"string to make the random number generator think it has entropy";
int main(int argc, char *argv[])
{
int err = 0;
int v;
RSA *key;
unsigned char ptext[256];
unsigned char ctext[256];
static unsigned char ptext_ex[] = "\x54\x85\x9b\x34\x2c\x49\xea\x2a";
unsigned char ctext_ex[256];
int plen;
int clen = 0;
int num;
int n;
CRYPTO_malloc_debug_init();
CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
RAND_seed(rnd_seed, sizeof rnd_seed); /* or OAEP may fail */
plen = sizeof(ptext_ex) - 1;
for (v = 0; v < 6; v++) {
key = RSA_new();
switch (v % 3) {
case 0:
clen = key1(key, ctext_ex);
break;
case 1:
clen = key2(key, ctext_ex);
break;
case 2:
clen = key3(key, ctext_ex);
break;
}
if (v / 3 >= 1)
key->flags |= RSA_FLAG_NO_CONSTTIME;
num = RSA_public_encrypt(plen, ptext_ex, ctext, key,
RSA_PKCS1_PADDING);
if (num != clen) {
printf("PKCS#1 v1.5 encryption failed!\n");
err = 1;
goto oaep;
}
num = RSA_private_decrypt(num, ctext, ptext, key, RSA_PKCS1_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("PKCS#1 v1.5 decryption failed!\n");
err = 1;
} else
printf("PKCS #1 v1.5 encryption/decryption ok\n");
oaep:
ERR_clear_error();
num = RSA_public_encrypt(plen, ptext_ex, ctext, key,
RSA_PKCS1_OAEP_PADDING);
if (num == -1 && pad_unknown()) {
printf("No OAEP support\n");
goto next;
}
if (num != clen) {
printf("OAEP encryption failed!\n");
err = 1;
goto next;
}
num = RSA_private_decrypt(num, ctext, ptext, key,
RSA_PKCS1_OAEP_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("OAEP decryption (encrypted data) failed!\n");
err = 1;
} else if (memcmp(ctext, ctext_ex, num) == 0)
printf("OAEP test vector %d passed!\n", v);
/*
* Different ciphertexts (rsa_oaep.c without -DPKCS_TESTVECT). Try
* decrypting ctext_ex
*/
num = RSA_private_decrypt(clen, ctext_ex, ptext, key,
RSA_PKCS1_OAEP_PADDING);
if (num != plen || memcmp(ptext, ptext_ex, num) != 0) {
printf("OAEP decryption (test vector data) failed!\n");
err = 1;
} else
printf("OAEP encryption/decryption ok\n");
/* Try decrypting corrupted ciphertexts. */
for (n = 0; n < clen; ++n) {
ctext[n] ^= 1;
num = RSA_private_decrypt(clen, ctext, ptext, key,
RSA_PKCS1_OAEP_PADDING);
if (num > 0) {
printf("Corrupt data decrypted!\n");
err = 1;
break;
}
ctext[n] ^= 1;
}
/* Test truncated ciphertexts, as well as negative length. */
for (n = -1; n < clen; ++n) {
num = RSA_private_decrypt(n, ctext, ptext, key,
RSA_PKCS1_OAEP_PADDING);
if (num > 0) {
printf("Truncated data decrypted!\n");
err = 1;
break;
}
}
next:
RSA_free(key);
}
CRYPTO_cleanup_all_ex_data();
ERR_remove_thread_state(NULL);
CRYPTO_mem_leaks_fp(stderr);
# ifdef OPENSSL_SYS_NETWARE
if (err)
printf("ERROR: %d\n", err);
# endif
return err;
}
#endif

63
crypto/rsa/rsa_x931.c
View File

@@ -1,16 +1,67 @@
/* rsa_x931.c */
/*
* Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved.
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2005.
*/
/* ====================================================================
* Copyright (c) 2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
#include <openssl/objects.h>
int RSA_padding_add_X931(unsigned char *to, int tlen,