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113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/* crypto/evp/m_sm3.c */
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/* ====================================================================
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* Copyright (c) 2014 - 2015 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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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#ifndef NO_GMSSL
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/sm3.h>
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#include <openssl/sm2.h>
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static int init(EVP_MD_CTX *ctx)
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{
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if (!ctx || !ctx->md_data) {
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return 0;
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}
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sm3_init(ctx->md_data);
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return 1;
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}
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static int update(EVP_MD_CTX *ctx, const void *in, size_t inlen)
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{
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if (!ctx || !ctx->md_data || !in) {
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return 0;
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}
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sm3_update(ctx->md_data, in, inlen);
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return 1;
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}
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static int final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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if (!ctx || !ctx->md_data || !md) {
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return 0;
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}
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sm3_final(ctx->md_data, md);
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return 1;
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}
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static const EVP_MD sm3_md = {
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NID_sm3,
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NID_sm2sign_with_sm3,
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SM3_DIGEST_LENGTH,
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0,
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init,
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update,
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final,
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NULL,
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NULL,
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(evp_sign_method *)SM2_sign,
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(evp_verify_method *)SM2_verify,
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{EVP_PKEY_EC, 0, 0, 0},
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SM3_BLOCK_SIZE,
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sizeof(EVP_MD *) + sizeof(sm3_ctx_t),
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};
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const EVP_MD *EVP_sm3(void)
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{
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return &sm3_md;
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}
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#endif
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