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/* $OpenBSD: m_sm3.c,v 1.4 2022/11/26 16:08:52 tb Exp $ */
/*
* Copyright (c) 2018, Ribose Inc
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_SM3
#include <openssl/evp.h>
#include <openssl/sm3.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#include "evp_local.h"
static int
sm3_init(EVP_MD_CTX *ctx)
{
return SM3_Init(ctx->md_data);
}
static int
sm3_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SM3_Update(ctx->md_data, data, count);
}
static int
sm3_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SM3_Final(md, ctx->md_data);
}
static const EVP_MD sm3_md = {
.type = NID_sm3,
.pkey_type = NID_sm3WithRSAEncryption,
.md_size = SM3_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sm3_init,
.update = sm3_update,
.final = sm3_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SM3_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SM3_CTX),
};
const EVP_MD *
EVP_sm3(void)
{
return &sm3_md;
}
#endif /* OPENSSL_NO_SM3 */
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