mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-12 11:26:25 +08:00
298 lines
7.9 KiB
C
298 lines
7.9 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 <openssl/evp.h>
|
|
#include <openssl/rand.h>
|
|
#include <openssl/gmsaf.h>
|
|
#include <openssl/gmapi.h>
|
|
#include "saf_lcl.h"
|
|
|
|
/* 7.3.39 */
|
|
int SAF_SymmEncryptUpdate(
|
|
void *hKeyHandle,
|
|
const unsigned char *pucInData,
|
|
unsigned int uiInDataLen,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
SAF_KEY *hkey = (SAF_KEY *)hKeyHandle;
|
|
int outlen;
|
|
|
|
if (!hKeyHandle || !pucInData || !pucOutData || !puiOutDataLen) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (uiInDataLen <= 0 || uiInDataLen > INT_MAX) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, SAF_R_INVALID_LENGTH);
|
|
return SAR_IndataLenErr;
|
|
}
|
|
|
|
if (!hkey->cipher_ctx) {
|
|
const EVP_CIPHER *cipher;
|
|
|
|
|
|
// FIXME: get ulFeedBitLen from key handle
|
|
if (!(cipher = EVP_get_cipherbysgd(hkey->hSymmKeyObj->uiCryptoAlgID, 0))) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, SAF_R_INVALID_KEY_HANDLE);
|
|
ret = SAR_IndataErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!(hkey->cipher_ctx = EVP_CIPHER_CTX_new())) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, ERR_R_MALLOC_FAILURE);
|
|
ret = SAR_MemoryErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!EVP_EncryptInit_ex(hkey->cipher_ctx, cipher,
|
|
hkey->hSymmKeyObj->app->engine,
|
|
hkey->key, hkey->hSymmKeyObj->pucIV)) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (!EVP_EncryptUpdate(hkey->cipher_ctx, pucOutData, &outlen,
|
|
pucInData, (int)uiInDataLen)) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTUPDATE, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
|
|
*puiOutDataLen = (unsigned int)outlen;
|
|
ret = SAR_OK;
|
|
|
|
end:
|
|
if (ret != SAR_OK && hkey->cipher_ctx) {
|
|
EVP_CIPHER_CTX_free(hkey->cipher_ctx);
|
|
hkey->cipher_ctx = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* 7.3.40 */
|
|
int SAF_SymmEncryptFinal(
|
|
void *hKeyHandle,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
SAF_KEY *hkey = (SAF_KEY *)hKeyHandle;
|
|
int outlen;
|
|
|
|
if (!hKeyHandle || !pucOutData || !puiOutDataLen) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTFINAL, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (!hkey->cipher_ctx) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTFINAL, SAF_R_ENCRYPT_NOT_INITIALIED);
|
|
return SAR_NotInitializeErr;
|
|
}
|
|
|
|
if (!EVP_EncryptFinal_ex(hkey->cipher_ctx, pucOutData, &outlen)) {
|
|
SAFerr(SAF_F_SAF_SYMMENCRYPTFINAL, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
*puiOutDataLen = (unsigned int)outlen;
|
|
|
|
ret = SAR_OK;
|
|
end:
|
|
EVP_CIPHER_CTX_free(hkey->cipher_ctx);
|
|
hkey->cipher_ctx = NULL;
|
|
return ret;
|
|
}
|
|
|
|
/* 7.3.42 */
|
|
int SAF_SymmDecryptUpdate(
|
|
void *hKeyHandle,
|
|
unsigned char *pucInData,
|
|
unsigned int uiInDataLen,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
SAF_KEY *hkey = (SAF_KEY *)hKeyHandle;
|
|
int outlen;
|
|
|
|
if (!hKeyHandle || !pucInData || !pucOutData || !puiOutDataLen) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
if (uiInDataLen > INT_MAX) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, SAF_R_INVALID_LENGTH);
|
|
return SAR_IndataLenErr;
|
|
}
|
|
|
|
if (!hkey->cipher_ctx) {
|
|
const EVP_CIPHER *cipher;
|
|
|
|
//Get feedbitlen from keyhandle
|
|
if (!(cipher = EVP_get_cipherbysgd(hkey->hSymmKeyObj->uiCryptoAlgID, 0))) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, SAF_R_INVALID_KEY_HANDLE);
|
|
ret = SAR_IndataErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!(hkey->cipher_ctx = EVP_CIPHER_CTX_new())) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, ERR_R_MALLOC_FAILURE);
|
|
ret = SAR_MemoryErr;
|
|
goto end;
|
|
}
|
|
|
|
if (!EVP_DecryptInit_ex(hkey->cipher_ctx, cipher,
|
|
hkey->hSymmKeyObj->app->engine,
|
|
hkey->key, hkey->hSymmKeyObj->pucIV)) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (!EVP_DecryptUpdate(hkey->cipher_ctx, pucOutData, &outlen,
|
|
pucInData, (int)uiInDataLen)) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTUPDATE, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
|
|
*puiOutDataLen = (unsigned int)outlen;
|
|
ret = SAR_OK;
|
|
|
|
end:
|
|
if (ret != SAR_OK && hkey->cipher_ctx) {
|
|
EVP_CIPHER_CTX_free(hkey->cipher_ctx);
|
|
hkey->cipher_ctx = NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* 7.3.43 */
|
|
int SAF_SymmDecryptFinal(
|
|
void *hKeyHandle,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
SAF_KEY *hkey = (SAF_KEY *)hKeyHandle;
|
|
int outlen;
|
|
|
|
if (!hKeyHandle || !pucOutData || !puiOutDataLen) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTFINAL, ERR_R_PASSED_NULL_PARAMETER);
|
|
return SAR_IndataErr;
|
|
}
|
|
|
|
if (!hkey->cipher_ctx) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTFINAL, SAF_R_DECRYPT_NOT_INITIALIZED);
|
|
return SAR_NotInitializeErr;
|
|
}
|
|
|
|
if (!EVP_DecryptFinal_ex(hkey->cipher_ctx, pucOutData, &outlen)) {
|
|
SAFerr(SAF_F_SAF_SYMMDECRYPTFINAL, ERR_R_EVP_LIB);
|
|
goto end;
|
|
}
|
|
*puiOutDataLen = (unsigned int)outlen;
|
|
|
|
ret = SAR_OK;
|
|
|
|
end:
|
|
EVP_CIPHER_CTX_free(hkey->cipher_ctx);
|
|
hkey->cipher_ctx = NULL;
|
|
return ret;
|
|
}
|
|
|
|
/* 7.3.38 */
|
|
int SAF_SymmEncrypt(
|
|
void *hKeyHandle,
|
|
const unsigned char *pucInData,
|
|
unsigned int uiInDataLen,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
unsigned int len;
|
|
|
|
if ((ret = SAF_SymmEncryptUpdate(hKeyHandle, pucInData, uiInDataLen,
|
|
pucOutData, puiOutDataLen)) != SAR_OK) {
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = SAF_SymmEncryptFinal(hKeyHandle,
|
|
pucOutData + *puiOutDataLen, &len)) != SAR_OK) {
|
|
return ret;
|
|
}
|
|
*puiOutDataLen += len;
|
|
|
|
return SAR_OK;
|
|
}
|
|
|
|
/* 7.3.41 */
|
|
int SAF_SymmDecrypt(
|
|
void *hKeyHandle,
|
|
unsigned char *pucInData,
|
|
unsigned int uiInDataLen,
|
|
unsigned char *pucOutData,
|
|
unsigned int *puiOutDataLen)
|
|
{
|
|
int ret = SAR_UnknownErr;
|
|
unsigned int len;
|
|
|
|
if ((ret = SAF_SymmDecryptUpdate(hKeyHandle, pucInData, uiInDataLen,
|
|
pucOutData, puiOutDataLen)) != SAR_OK) {
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = SAF_SymmDecryptFinal(hKeyHandle,
|
|
pucOutData + *puiOutDataLen, &len)) != SAR_OK) {
|
|
return ret;
|
|
}
|
|
*puiOutDataLen += len;
|
|
|
|
return SAR_OK;
|
|
}
|