Files
GmSSL/crypto/gmapi/gmapi_skf_rsa.c
2017-11-05 21:00:36 +08:00

403 lines
10 KiB
C

/* ====================================================================
* Copyright (c) 2015-2016 The GmSSL 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 GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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 <stdio.h>
#include "internal/cryptlib.h"
#if !defined(OPENSSL_NO_SKF) && !defined(OPENSSL_NO_RSA)
# include <openssl/err.h>
# include <openssl/rsa.h>
# include <openssl/skf.h>
# include <openssl/gmapi.h>
/* Wrapper functions */
RSA *RSA_new_from_RSAPUBLICKEYBLOB(const RSAPUBLICKEYBLOB *blob)
{
RSA *ret = NULL;
RSA *rsa = NULL;
if (!blob) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPUBLICKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
if (!(rsa = RSA_new())) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPUBLICKEYBLOB,
ERR_R_MALLOC_FAILURE);
return NULL;
}
if (!RSA_set_RSAPUBLICKEYBLOB(rsa, blob)) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
goto end;
}
ret = rsa;
rsa = NULL;
end:
RSA_free(rsa);
return ret;
}
int RSA_set_RSAPUBLICKEYBLOB(RSA *rsa, const RSAPUBLICKEYBLOB *blob)
{
int ret = 0;
BIGNUM *n = NULL;
BIGNUM *e = NULL;
if (!rsa || !blob) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPUBLICKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((blob->BitLen < OPENSSL_RSA_FIPS_MIN_MODULUS_BITS)
|| (blob->BitLen > sizeof(blob->Modulus) * 8)
|| (blob->BitLen % 8 != 0)) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_KEY_LENGTH);
return 0;
}
if (!(n = BN_bin2bn(blob->Modulus, sizeof(blob->Modulus), NULL))) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
goto end;
}
if (!(e = BN_bin2bn(blob->PublicExponent,
sizeof(blob->PublicExponent), NULL))) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
goto end;
}
if (!RSA_set0_key(rsa, n, e, NULL)) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
goto end;
}
n = NULL;
e = NULL;
ret = 1;
end:
BN_free(n);
BN_free(e);
return ret;
}
int RSA_get_RSAPUBLICKEYBLOB(RSA *rsa, RSAPUBLICKEYBLOB *blob)
{
const BIGNUM *n;
const BIGNUM *e;
if (!rsa || !blob) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPUBLICKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
RSA_get0_key(rsa, &n, &e, NULL);
if (!n || !e) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
return 0;
}
if (RSA_bits(rsa) > sizeof(blob->Modulus) * 8
|| RSA_bits(rsa) % 8 != 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPUBLICKEYBLOB,
GMAPI_R_INVALID_RSA_PUBLIC_KEY);
return 0;
}
memset(blob, 0, sizeof(RSAPUBLICKEYBLOB));
blob->AlgID = SGD_RSA;
blob->BitLen = RSA_bits(rsa);
if (BN_bn2bin(n, blob->Modulus +
sizeof(blob->Modulus) - BN_num_bytes(n)) <= 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPUBLICKEYBLOB,
GMAPI_R_ENCODE_RSA_PUBLIC_KEY_FAILED);
return 0;
}
if (BN_bn2bin(e, blob->PublicExponent +
sizeof(blob->PublicExponent) - BN_num_bytes(e)) <= 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPUBLICKEYBLOB,
GMAPI_R_ENCODE_RSA_PUBLIC_KEY_FAILED);
return 0;
}
return 1;
}
RSA *RSA_new_from_RSAPRIVATEKEYBLOB(const RSAPRIVATEKEYBLOB *blob)
{
RSA *ret = NULL;
RSA *rsa = NULL;
if (!blob) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPRIVATEKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
if (!(rsa = RSA_new())) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPRIVATEKEYBLOB,
ERR_R_MALLOC_FAILURE);
return NULL;
}
if (!RSA_set_RSAPRIVATEKEYBLOB(rsa, blob)) {
GMAPIerr(GMAPI_F_RSA_NEW_FROM_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
goto end;
}
ret = rsa;
rsa = NULL;
end:
RSA_free(rsa);
return ret;
}
int RSA_set_RSAPRIVATEKEYBLOB(RSA *rsa, const RSAPRIVATEKEYBLOB *blob)
{
int ret = 0;
BIGNUM *n = NULL;
BIGNUM *e = NULL;
BIGNUM *d = NULL;
BIGNUM *p = NULL;
BIGNUM *q = NULL;
BIGNUM *dmp1 = NULL;
BIGNUM *dmq1 = NULL;
BIGNUM *iqmp = NULL;
if (!rsa || !blob) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (blob->AlgID != SGD_RSA) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_ALGOR);
return 0;
}
if (blob->BitLen < OPENSSL_RSA_FIPS_MIN_MODULUS_BITS
|| blob->BitLen > sizeof(blob->Modulus) * 8
|| blob->BitLen % 8 != 0
|| blob->BitLen % 16 != 0) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (!(n = BN_bin2bn(blob->Modulus, sizeof(blob->Modulus), NULL))
|| !(e = BN_bin2bn(blob->PublicExponent, sizeof(blob->PublicExponent), NULL))
|| !(d = BN_bin2bn(blob->PrivateExponent, sizeof(blob->PrivateExponent), NULL))
|| !(p = BN_bin2bn(blob->Prime1, sizeof(blob->Prime1), NULL))
|| !(q = BN_bin2bn(blob->Prime2, sizeof(blob->Prime2), NULL))
|| !(dmp1 = BN_bin2bn(blob->Prime1Exponent, sizeof(blob->Prime1Exponent), NULL))
|| !(dmq1 = BN_bin2bn(blob->Prime2Exponent, sizeof(blob->Prime2Exponent), NULL))
|| !(iqmp = BN_bin2bn(blob->Coefficient, sizeof(blob->Coefficient), NULL))) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB, ERR_R_BN_LIB);
goto end;
}
if (!RSA_set0_key(rsa, n, e, d)) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
goto end;
}
n = NULL;
e = NULL;
d = NULL;
if (!RSA_set0_factors(rsa, p, q)) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
goto end;
}
p = NULL;
q = NULL;
if (!RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp)) {
GMAPIerr(GMAPI_F_RSA_SET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
goto end;
}
dmp1 = NULL;
dmq1 = NULL;
iqmp = NULL;
ret = 1;
end:
BN_free(n);
BN_free(e);
BN_free(d);
BN_free(p);
BN_free(q);
BN_free(dmp1);
BN_free(dmq1);
BN_free(iqmp);
return ret;
}
int RSA_get_RSAPRIVATEKEYBLOB(RSA *rsa, RSAPRIVATEKEYBLOB *blob)
{
const BIGNUM *n;
const BIGNUM *e;
const BIGNUM *d;
const BIGNUM *p;
const BIGNUM *q;
const BIGNUM *dmp1;
const BIGNUM *dmq1;
const BIGNUM *iqmp;
if (!rsa || !blob) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (RSA_bits(rsa) > sizeof(blob->Modulus) * 8
|| RSA_bits(rsa) % 8 != 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
RSA_get0_key(rsa, &n, &e, &d);
RSA_get0_factors(rsa, &p, &q);
RSA_get0_crt_params(rsa, &dmp1, &dmq1, &iqmp);
if (!n || !e || !d) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
memset(blob, 0, sizeof(RSAPRIVATEKEYBLOB));
blob->AlgID = SGD_RSA;
blob->BitLen = RSA_bits(rsa);
if (BN_bn2bin(n, blob->Modulus +
sizeof(blob->Modulus) - BN_num_bytes(n)) <= 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (BN_bn2bin(e, blob->PublicExponent +
sizeof(blob->PublicExponent) - BN_num_bytes(e)) <= 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (BN_bn2bin(d, blob->PrivateExponent +
sizeof(blob->PrivateExponent) - BN_num_bytes(d)) <= 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (p && BN_bn2bin(p, blob->Prime1 +
sizeof(blob->Prime1) - BN_num_bytes(p)) < 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (q && BN_bn2bin(q, blob->Prime2 +
sizeof(blob->Prime2) - BN_num_bytes(q)) < 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (dmp1 && BN_bn2bin(dmp1, blob->Prime1Exponent +
sizeof(blob->Prime1Exponent) - BN_num_bytes(dmp1)) < 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (dmq1 && BN_bn2bin(dmq1, blob->Prime2Exponent +
sizeof(blob->Prime2Exponent) - BN_num_bytes(dmq1)) < 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
if (iqmp && BN_bn2bin(iqmp, blob->Coefficient +
sizeof(blob->Coefficient) - BN_num_bytes(iqmp)) < 0) {
GMAPIerr(GMAPI_F_RSA_GET_RSAPRIVATEKEYBLOB,
GMAPI_R_INVALID_RSA_PRIVATE_KEY);
return 0;
}
return 1;
}
#endif