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This commit is contained in:
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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277
crypto/dh/dh_ameth.c
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@@ -1,21 +1,73 @@
/*
* 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/x509.h>
#include <openssl/asn1.h>
#include "dh_locl.h"
#include <openssl/dh.h>
#include <openssl/bn.h>
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
#include <openssl/cms.h>
#include "asn1_locl.h"
#ifndef OPENSSL_NO_CMS
# include <openssl/cms.h>
#endif
extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth;
/*
* i2d/d2i like DH parameter functions which use the appropriate routine for
@@ -47,8 +99,8 @@ static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
const unsigned char *p, *pm;
int pklen, pmlen;
int ptype;
const void *pval;
const ASN1_STRING *pstr;
void *pval;
ASN1_STRING *pstr;
X509_ALGOR *palg;
ASN1_INTEGER *public_key = NULL;
@@ -67,18 +119,18 @@ static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
pm = pstr->data;
pmlen = pstr->length;
if ((dh = d2i_dhp(pkey, &pm, pmlen)) == NULL) {
if (!(dh = d2i_dhp(pkey, &pm, pmlen))) {
DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
goto err;
}
if ((public_key = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL) {
if (!(public_key = d2i_ASN1_INTEGER(NULL, &p, pklen))) {
DHerr(DH_F_DH_PUB_DECODE, DH_R_DECODE_ERROR);
goto err;
}
/* We have parameters now set public key */
if ((dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) {
if (!(dh->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) {
DHerr(DH_F_DH_PUB_DECODE, DH_R_BN_DECODE_ERROR);
goto err;
}
@@ -88,8 +140,10 @@ static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
return 1;
err:
ASN1_INTEGER_free(public_key);
DH_free(dh);
if (public_key)
ASN1_INTEGER_free(public_key);
if (dh)
DH_free(dh);
return 0;
}
@@ -106,7 +160,7 @@ static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
dh = pkey->pkey.dh;
str = ASN1_STRING_new();
if (str == NULL) {
if (!str) {
DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
goto err;
}
@@ -135,26 +189,28 @@ static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
return 1;
err:
OPENSSL_free(penc);
ASN1_STRING_free(str);
if (penc)
OPENSSL_free(penc);
if (str)
ASN1_STRING_free(str);
return 0;
}
/*
* PKCS#8 DH is defined in PKCS#11 of all places. It is similar to DH in that
* the AlgorithmIdentifier contains the parameters, the private key is
* explicitly included and the pubkey must be recalculated.
* the AlgorithmIdentifier contains the paramaters, the private key is
* explcitly included and the pubkey must be recalculated.
*/
static int dh_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
static int dh_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
const unsigned char *p, *pm;
int pklen, pmlen;
int ptype;
const void *pval;
const ASN1_STRING *pstr;
const X509_ALGOR *palg;
void *pval;
ASN1_STRING *pstr;
X509_ALGOR *palg;
ASN1_INTEGER *privkey = NULL;
DH *dh = NULL;
@@ -166,18 +222,17 @@ static int dh_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
if (ptype != V_ASN1_SEQUENCE)
goto decerr;
if ((privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)) == NULL)
if (!(privkey = d2i_ASN1_INTEGER(NULL, &p, pklen)))
goto decerr;
pstr = pval;
pm = pstr->data;
pmlen = pstr->length;
if ((dh = d2i_dhp(pkey, &pm, pmlen)) == NULL)
if (!(dh = d2i_dhp(pkey, &pm, pmlen)))
goto decerr;
/* We have parameters now set private key */
if ((dh->priv_key = BN_secure_new()) == NULL
|| !ASN1_INTEGER_to_BN(privkey, dh->priv_key)) {
if (!(dh->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
DHerr(DH_F_DH_PRIV_DECODE, DH_R_BN_ERROR);
goto dherr;
}
@@ -208,7 +263,7 @@ static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
params = ASN1_STRING_new();
if (params == NULL) {
if (!params) {
DHerr(DH_F_DH_PRIV_ENCODE, ERR_R_MALLOC_FAILURE);
goto err;
}
@@ -240,18 +295,29 @@ static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
return 1;
err:
OPENSSL_free(dp);
ASN1_STRING_free(params);
ASN1_STRING_clear_free(prkey);
if (dp != NULL)
OPENSSL_free(dp);
if (params != NULL)
ASN1_STRING_free(params);
if (prkey != NULL)
ASN1_STRING_clear_free(prkey);
return 0;
}
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 dh_param_decode(EVP_PKEY *pkey,
const unsigned char **pder, int derlen)
{
DH *dh;
if ((dh = d2i_dhp(pkey, pder, derlen)) == NULL) {
if (!(dh = d2i_dhp(pkey, pder, derlen))) {
DHerr(DH_F_DH_PARAM_DECODE, ERR_R_DH_LIB);
return 0;
}
@@ -264,10 +330,15 @@ static int dh_param_encode(const EVP_PKEY *pkey, unsigned char **pder)
return i2d_dhp(pkey, pkey->pkey.dh, pder);
}
static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
static int do_dh_print(BIO *bp, const DH *x, int indent,
ASN1_PCTX *ctx, int ptype)
{
int reason = ERR_R_BUF_LIB;
unsigned char *m = NULL;
int reason = ERR_R_BUF_LIB, ret = 0;
size_t buf_len = 0;
const char *ktype = NULL;
BIGNUM *priv_key, *pub_key;
if (ptype == 2)
@@ -280,12 +351,20 @@ static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
else
pub_key = NULL;
if (x->p == NULL || (ptype == 2 && priv_key == NULL)
|| (ptype > 0 && pub_key == NULL)) {
update_buflen(x->p, &buf_len);
if (buf_len == 0) {
reason = ERR_R_PASSED_NULL_PARAMETER;
goto err;
}
update_buflen(x->g, &buf_len);
update_buflen(x->q, &buf_len);
update_buflen(x->j, &buf_len);
update_buflen(x->counter, &buf_len);
update_buflen(pub_key, &buf_len);
update_buflen(priv_key, &buf_len);
if (ptype == 2)
ktype = "DH Private-Key";
else if (ptype == 1)
@@ -293,23 +372,29 @@ static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
else
ktype = "DH Parameters";
m = OPENSSL_malloc(buf_len + 10);
if (m == NULL) {
reason = ERR_R_MALLOC_FAILURE;
goto err;
}
BIO_indent(bp, indent, 128);
if (BIO_printf(bp, "%s: (%d bit)\n", ktype, BN_num_bits(x->p)) <= 0)
goto err;
indent += 4;
if (!ASN1_bn_print(bp, "private-key:", priv_key, NULL, indent))
if (!ASN1_bn_print(bp, "private-key:", priv_key, m, indent))
goto err;
if (!ASN1_bn_print(bp, "public-key:", pub_key, NULL, indent))
if (!ASN1_bn_print(bp, "public-key:", pub_key, m, indent))
goto err;
if (!ASN1_bn_print(bp, "prime:", x->p, NULL, indent))
if (!ASN1_bn_print(bp, "prime:", x->p, m, indent))
goto err;
if (!ASN1_bn_print(bp, "generator:", x->g, NULL, indent))
if (!ASN1_bn_print(bp, "generator:", x->g, m, indent))
goto err;
if (x->q && !ASN1_bn_print(bp, "subgroup order:", x->q, NULL, indent))
if (x->q && !ASN1_bn_print(bp, "subgroup order:", x->q, m, indent))
goto err;
if (x->j && !ASN1_bn_print(bp, "subgroup factor:", x->j, NULL, indent))
if (x->j && !ASN1_bn_print(bp, "subgroup factor:", x->j, m, indent))
goto err;
if (x->seed) {
int i;
@@ -328,7 +413,7 @@ static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
if (BIO_write(bp, "\n", 1) <= 0)
return (0);
}
if (x->counter && !ASN1_bn_print(bp, "counter:", x->counter, NULL, indent))
if (x->counter && !ASN1_bn_print(bp, "counter:", x->counter, m, indent))
goto err;
if (x->length != 0) {
BIO_indent(bp, indent, 128);
@@ -337,11 +422,14 @@ static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
goto err;
}
return 1;
ret = 1;
if (0) {
err:
DHerr(DH_F_DO_DH_PRINT, reason);
return 0;
DHerr(DH_F_DO_DH_PRINT, reason);
}
if (m != NULL)
OPENSSL_free(m);
return (ret);
}
static int int_dh_size(const EVP_PKEY *pkey)
@@ -354,11 +442,6 @@ static int dh_bits(const EVP_PKEY *pkey)
return BN_num_bits(pkey->pkey.dh->p);
}
static int dh_security_bits(const EVP_PKEY *pkey)
{
return DH_security_bits(pkey->pkey.dh);
}
static int dh_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
{
if (BN_cmp(a->pkey.dh->p, b->pkey.dh->p) ||
@@ -380,7 +463,8 @@ static int int_dh_bn_cpy(BIGNUM **dst, const BIGNUM *src)
return 0;
} else
a = NULL;
BN_free(*dst);
if (*dst)
BN_free(*dst);
*dst = a;
return 1;
}
@@ -398,11 +482,13 @@ static int int_dh_param_copy(DH *to, const DH *from, int is_x942)
return 0;
if (!int_dh_bn_cpy(&to->j, from->j))
return 0;
OPENSSL_free(to->seed);
to->seed = NULL;
to->seedlen = 0;
if (to->seed) {
OPENSSL_free(to->seed);
to->seed = NULL;
to->seedlen = 0;
}
if (from->seed) {
to->seed = OPENSSL_memdup(from->seed, from->seedlen);
to->seed = BUF_memdup(from->seed, from->seedlen);
if (!to->seed)
return 0;
to->seedlen = from->seedlen;
@@ -416,7 +502,7 @@ DH *DHparams_dup(DH *dh)
{
DH *ret;
ret = DH_new();
if (ret == NULL)
if (!ret)
return NULL;
if (!int_dh_param_copy(ret, dh, -1)) {
DH_free(ret);
@@ -427,11 +513,6 @@ DH *DHparams_dup(DH *dh)
static int dh_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
{
if (to->pkey.dh == NULL) {
to->pkey.dh = DH_new();
if (to->pkey.dh == NULL)
return 0;
}
return int_dh_param_copy(to->pkey.dh, from->pkey.dh,
from->ameth == &dhx_asn1_meth);
}
@@ -456,24 +537,24 @@ static int dh_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
static int dh_param_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dh_print(bp, pkey->pkey.dh, indent, 0);
return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 0);
}
static int dh_public_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dh_print(bp, pkey->pkey.dh, indent, 1);
return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 1);
}
static int dh_private_print(BIO *bp, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *ctx)
{
return do_dh_print(bp, pkey->pkey.dh, indent, 2);
return do_dh_print(bp, pkey->pkey.dh, indent, ctx, 2);
}
int DHparams_print(BIO *bp, const DH *x)
{
return do_dh_print(bp, x, 4, 0);
return do_dh_print(bp, x, 4, NULL, 0);
}
#ifndef OPENSSL_NO_CMS
@@ -522,7 +603,6 @@ const EVP_PKEY_ASN1_METHOD dh_asn1_meth = {
int_dh_size,
dh_bits,
dh_security_bits,
dh_param_decode,
dh_param_encode,
@@ -555,7 +635,6 @@ const EVP_PKEY_ASN1_METHOD dhx_asn1_meth = {
int_dh_size,
dh_bits,
dh_security_bits,
dh_param_decode,
dh_param_encode,
@@ -574,9 +653,9 @@ const EVP_PKEY_ASN1_METHOD dhx_asn1_meth = {
static int dh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
X509_ALGOR *alg, ASN1_BIT_STRING *pubkey)
{
const ASN1_OBJECT *aoid;
ASN1_OBJECT *aoid;
int atype;
const void *aval;
void *aval;
ASN1_INTEGER *public_key = NULL;
int rv = 0;
EVP_PKEY *pkpeer = NULL, *pk = NULL;
@@ -600,32 +679,35 @@ static int dh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
dhpeer = DHparams_dup(pk->pkey.dh);
/* We have parameters now set public key */
plen = ASN1_STRING_length(pubkey);
p = ASN1_STRING_get0_data(pubkey);
p = ASN1_STRING_data(pubkey);
if (!p || !plen)
goto err;
if ((public_key = d2i_ASN1_INTEGER(NULL, &p, plen)) == NULL) {
if (!(public_key = d2i_ASN1_INTEGER(NULL, &p, plen))) {
DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_DECODE_ERROR);
goto err;
}
/* We have parameters now set public key */
if ((dhpeer->pub_key = ASN1_INTEGER_to_BN(public_key, NULL)) == NULL) {
if (!(dhpeer->pub_key = ASN1_INTEGER_to_BN(public_key, NULL))) {
DHerr(DH_F_DH_CMS_SET_PEERKEY, DH_R_BN_DECODE_ERROR);
goto err;
}
pkpeer = EVP_PKEY_new();
if (pkpeer == NULL)
if (!pkpeer)
goto err;
EVP_PKEY_assign(pkpeer, pk->ameth->pkey_id, dhpeer);
dhpeer = NULL;
if (EVP_PKEY_derive_set_peer(pctx, pkpeer) > 0)
rv = 1;
err:
ASN1_INTEGER_free(public_key);
EVP_PKEY_free(pkpeer);
DH_free(dhpeer);
if (public_key)
ASN1_INTEGER_free(public_key);
if (pkpeer)
EVP_PKEY_free(pkpeer);
if (dhpeer)
DH_free(dhpeer);
return rv;
}
@@ -690,7 +772,7 @@ static int dh_cms_set_shared_info(EVP_PKEY_CTX *pctx, CMS_RecipientInfo *ri)
if (ukm) {
dukmlen = ASN1_STRING_length(ukm);
dukm = OPENSSL_memdup(ASN1_STRING_get0_data(ukm), dukmlen);
dukm = BUF_memdup(ASN1_STRING_data(ukm), dukmlen);
if (!dukm)
goto err;
}
@@ -701,8 +783,10 @@ static int dh_cms_set_shared_info(EVP_PKEY_CTX *pctx, CMS_RecipientInfo *ri)
rv = 1;
err:
X509_ALGOR_free(kekalg);
OPENSSL_free(dukm);
if (kekalg)
X509_ALGOR_free(kekalg);
if (dukm)
OPENSSL_free(dukm);
return rv;
}
@@ -741,7 +825,7 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
EVP_CIPHER_CTX *ctx;
int keylen;
X509_ALGOR *talg, *wrap_alg = NULL;
const ASN1_OBJECT *aoid;
ASN1_OBJECT *aoid;
ASN1_BIT_STRING *pubkey;
ASN1_STRING *wrap_str;
ASN1_OCTET_STRING *ukm;
@@ -762,7 +846,8 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
X509_ALGOR_get0(&aoid, NULL, NULL, talg);
/* Is everything uninitialised? */
if (aoid == OBJ_nid2obj(NID_undef)) {
ASN1_INTEGER *pubk = BN_to_ASN1_INTEGER(pkey->pkey.dh->pub_key, NULL);
ASN1_INTEGER *pubk;
pubk = BN_to_ASN1_INTEGER(pkey->pkey.dh->pub_key, NULL);
if (!pubk)
goto err;
/* Set the key */
@@ -780,7 +865,7 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
V_ASN1_UNDEF, NULL);
}
/* See if custom parameters set */
/* See if custom paraneters set */
kdf_type = EVP_PKEY_CTX_get_dh_kdf_type(pctx);
if (kdf_type <= 0)
goto err;
@@ -816,11 +901,11 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
/* Package wrap algorithm in an AlgorithmIdentifier */
wrap_alg = X509_ALGOR_new();
if (wrap_alg == NULL)
if (!wrap_alg)
goto err;
wrap_alg->algorithm = OBJ_nid2obj(wrap_nid);
wrap_alg->parameter = ASN1_TYPE_new();
if (wrap_alg->parameter == NULL)
if (!wrap_alg->parameter)
goto err;
if (EVP_CIPHER_param_to_asn1(ctx, wrap_alg->parameter) <= 0)
goto err;
@@ -834,7 +919,7 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
if (ukm) {
dukmlen = ASN1_STRING_length(ukm);
dukm = OPENSSL_memdup(ASN1_STRING_get0_data(ukm), dukmlen);
dukm = BUF_memdup(ASN1_STRING_data(ukm), dukmlen);
if (!dukm)
goto err;
}
@@ -852,7 +937,7 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
if (!penc || !penclen)
goto err;
wrap_str = ASN1_STRING_new();
if (wrap_str == NULL)
if (!wrap_str)
goto err;
ASN1_STRING_set0(wrap_str, penc, penclen);
penc = NULL;
@@ -862,8 +947,10 @@ static int dh_cms_encrypt(CMS_RecipientInfo *ri)
rv = 1;
err:
OPENSSL_free(penc);
X509_ALGOR_free(wrap_alg);
if (penc)
OPENSSL_free(penc);
if (wrap_alg)
X509_ALGOR_free(wrap_alg);
return rv;
}