mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-13 03:46:26 +08:00
259 lines
6.9 KiB
C
259 lines
6.9 KiB
C
/* ====================================================================
|
|
* Copyright (c) 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 <string.h>
|
|
#include <stdlib.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/gmsaf.h>
|
|
#include <openssl/gmapi.h>
|
|
#include "saf_lcl.h"
|
|
|
|
/* 7.3.12 */
|
|
int SAF_CreateHashObj(void **phHashObj,
|
|
unsigned int uiAlgoType,
|
|
unsigned char *pucPublicKey,
|
|
unsigned int uiPublicKeyLen,
|
|
unsigned char *pucID,
|
|
unsigned int uiIDLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
const EVP_MD *md;
|
|
EVP_MD_CTX *ctx = NULL;
|
|
EVP_PKEY *pkey = NULL;
|
|
|
|
if (!phHashObj) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (!(md = EVP_get_digestbysgd(uiAlgoType))) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, SAF_R_INVALID_ALGOR);
|
|
return SAR_AlgoTypeErr;
|
|
}
|
|
|
|
if (!(ctx = EVP_MD_CTX_new())) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_MALLOC_FAILURE);
|
|
goto end;
|
|
}
|
|
|
|
/* limitation of the SAF hashing:
|
|
* can not specify an engine, only use the default implementation
|
|
*/
|
|
if (!EVP_DigestInit_ex(ctx, md, NULL)) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (pucPublicKey) {
|
|
unsigned char dgst[EVP_MAX_MD_SIZE];
|
|
size_t dgstlen = sizeof(dgst);
|
|
|
|
if (!pucID) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_PASSED_NULL_PARAMETER);
|
|
ret = SAR_IndataErr;
|
|
goto end;
|
|
}
|
|
|
|
if (uiIDLen <= 0 || uiIDLen > SM2_MAX_ID_LENGTH
|
|
|| strlen((char *)pucID) != uiIDLen
|
|
|| uiPublicKeyLen <= 0 || uiPublicKeyLen > INT_MAX) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, SAF_R_INVALID_INPUT_LENGTH);
|
|
ret = SAR_IndataLenErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!(pkey = d2i_PUBKEY(NULL, (const unsigned char **)&pucPublicKey, (long)uiPublicKeyLen))
|
|
|| EVP_PKEY_base_id(pkey) != EVP_PKEY_EC) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, SAF_R_INVALID_PUBLIC_KEY);
|
|
ret = SAR_IndataErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!SM2_compute_id_digest(md, (char *)pucID, uiIDLen, dgst, &dgstlen,
|
|
EVP_PKEY_get0_EC_KEY(pkey))) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_EC_LIB);
|
|
goto end;
|
|
}
|
|
|
|
if (!EVP_DigestUpdate(ctx, dgst, dgstlen)) {
|
|
SAFerr(SAF_F_SAF_CREATEHASHOBJ, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
*phHashObj = ctx;
|
|
ctx = NULL;
|
|
|
|
ret = SAR_Ok;
|
|
|
|
end:
|
|
if (ret != SAR_Ok) {
|
|
*phHashObj = NULL;
|
|
}
|
|
EVP_MD_CTX_free(ctx);
|
|
EVP_PKEY_free(pkey);
|
|
return ret;
|
|
}
|
|
|
|
/* 7.3.13 */
|
|
int SAF_DestroyHashObj(
|
|
void *phHashObj)
|
|
{
|
|
if (!phHashObj) {
|
|
SAFerr(SAF_F_SAF_DESTROYHASHOBJ, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
EVP_MD_CTX_free((EVP_MD_CTX *)phHashObj);
|
|
return SAR_Ok;
|
|
}
|
|
|
|
/* 7.3.14 */
|
|
int SAF_HashUpdate(
|
|
void *phHashObj,
|
|
const unsigned char *pucInData,
|
|
unsigned int uiInDataLen)
|
|
{
|
|
if (!phHashObj || pucInData) {
|
|
SAFerr(SAF_F_SAF_HASHUPDATE, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (uiInDataLen <= 0 || uiInDataLen > INT_MAX) {
|
|
SAFerr(SAF_F_SAF_HASHUPDATE, SAF_R_INVALID_INPUT_LENGTH);
|
|
return SAR_IndataLenErr;
|
|
}
|
|
|
|
if (!EVP_DigestUpdate((EVP_MD_CTX *)phHashObj, pucInData, uiInDataLen)) {
|
|
SAFerr(SAF_F_SAF_HASHUPDATE, ERR_R_EVP_LIB);
|
|
return SAR_HashErr;
|
|
}
|
|
|
|
return SAR_Ok;
|
|
}
|
|
|
|
/* 7.3.15 */
|
|
int SAF_HashFinal(void *phHashObj,
|
|
unsigned char *pucOutData,
|
|
unsigned int *uiOutDataLen)
|
|
{
|
|
if (!phHashObj || !pucOutData || !uiOutDataLen) {
|
|
SAFerr(SAF_F_SAF_HASHFINAL, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (*uiOutDataLen < EVP_MAX_MD_SIZE) {
|
|
SAFerr(SAF_F_SAF_HASHFINAL, SAF_R_BUFFER_TOO_SMALL);
|
|
return SAR_IndataLenErr;
|
|
}
|
|
|
|
if (!EVP_DigestFinal_ex((EVP_MD_CTX *)phHashObj, pucOutData, uiOutDataLen)) {
|
|
SAFerr(SAF_F_SAF_HASHFINAL, ERR_R_EVP_LIB);
|
|
return SAR_HashErr;
|
|
}
|
|
|
|
return SAR_Ok;
|
|
}
|
|
|
|
/* 7.3.11 */
|
|
int SAF_Hash(
|
|
unsigned int uiAlgoType,
|
|
unsigned char *pucInData,
|
|
unsigned int uiInDataLen,
|
|
unsigned char *pucPublicKey,
|
|
unsigned int uiPublicKeyLen,
|
|
unsigned char *pubID,
|
|
unsigned int uiIDLen,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret;
|
|
void *hHashObj = NULL;
|
|
|
|
if ((ret = SAF_CreateHashObj(
|
|
&hHashObj,
|
|
uiAlgoType,
|
|
pucPublicKey,
|
|
uiPublicKeyLen,
|
|
pubID,
|
|
uiIDLen)) != SAR_Ok) {
|
|
SAFerr(SAF_F_SAF_HASH, ERR_R_SAF_LIB);
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = SAF_HashUpdate(
|
|
hHashObj,
|
|
pucInData,
|
|
uiInDataLen)) != SAR_Ok) {
|
|
SAFerr(SAF_F_SAF_HASH, ERR_R_SAF_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if ((ret = SAF_HashFinal(
|
|
hHashObj,
|
|
pucOutData,
|
|
puiOutDataLen)) != SAR_Ok) {
|
|
SAFerr(SAF_F_SAF_HASH, ERR_R_SAF_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if ((ret = SAF_DestroyHashObj(
|
|
hHashObj)) != SAR_Ok) {
|
|
SAFerr(SAF_F_SAF_HASH, ERR_R_SAF_LIB);
|
|
return ret;
|
|
}
|
|
|
|
return SAR_Ok;
|
|
|
|
err:
|
|
/* keep the first error */
|
|
(void)SAF_DestroyHashObj(hHashObj);
|
|
return ret;
|
|
}
|