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148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/* ====================================================================
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* Copyright (c) 2016 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES
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* LOSS OF USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <openssl/evp.h>
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#include <openssl/gmsaf.h>
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/* 7.3.12 */
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int SAF_CreateHashObj(void **phHashObj,
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unsigned int uiAlgoType,
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unsigned char *pucPublicKey,
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unsigned int uiPublicKeyLen,
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unsigned char *pucID,
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unsigned int ulIDLen)
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{
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int ret = SAR_UnkownErr;
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const EVP_MD *md;
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EVP_MD_CTX *ctx = NULL;
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if (!(md = EVP_get_digestbysgd(uiAlgorithmType))) {
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return SAR_AlgoTypeErr;
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}
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if (!(ctx = EVP_MD_CTX_new())) {
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return 0;
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}
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if (!EVP_DigestInit(ctx, md)) {
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return 0;
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}
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*phHashObj = ctx;
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end:
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if (ret != SAR_OK) {
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EVP_MD_CTX_free(ctx);
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*phHashObj = NULL;
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}
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return ret;
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}
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/* 7.3.13 */
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int SAF_DestroyHashObj(
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void *phHashObj)
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{
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EVP_MD_CTX_free((EVP_MD_CTX *)phHashObj);
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return SAR_OK;
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}
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/* 7.3.14 */
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int SAF_HashUpdate(
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void *phHashObj,
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const unsigned char *pucInData,
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unsigned int uiInDataLen)
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{
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if (!EVP_DigestUpdate((EVP_MD_CTX *)phHashObj, pucInData, (size_t)uiInDataLne)) {
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return SAR_HashErr;
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}
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return SAR_OK;
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}
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/* 7.3.15 */
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int SAF_HashFinal(void *phHashObj,
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unsigned char *pucOutData,
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unsigned int *uiOutDataLen)
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{
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if (!EVP_DigestFinal((EVP_MD_CTX *)phHashObj, pucOutData, uiOutDataLen)) {
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return SAR_HashErr;
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}
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return SAR_OK;
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}
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/* 7.3.11 */
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int SAF_Hash(
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unsigned int uiAlgoType,
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unsigned char *pucInData,
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unsigned int uiInDataLen,
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unsigned char *pucPublicKey,
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unsigned int uiPublicKeyLen,
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unsigned char *pubID,
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unsigned int ulIDLen,
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unsigned char *pucOutData,
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unsigned int *puiOutDataLen)
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{
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const EVP_MD *md;
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size_t siz;
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if (!(md = EVP_get_digestbysgd(uiAlgoType))) {
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return SAR_AlgoTypeErr;
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}
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siz = (size_t)uiInDataLen;
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if (!EVP_Digest(pucInData, siz, pucOutData, puiOutDataLen, md, NULL)) {
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return SAR_HashErr;
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}
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return SAR_OK;
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}
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