74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
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/* $OpenBSD: m_sm3.c,v 1.1 2018/11/11 06:53:31 tb Exp $ */
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/*
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* Copyright (c) 2018, Ribose Inc
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_NO_SM3
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#include <openssl/evp.h>
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#include <openssl/sm3.h>
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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static int
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sm3_init(EVP_MD_CTX *ctx)
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{
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return SM3_Init(ctx->md_data);
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}
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static int
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sm3_update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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return SM3_Update(ctx->md_data, data, count);
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}
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static int
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sm3_final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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return SM3_Final(md, ctx->md_data);
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}
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static const EVP_MD sm3_md = {
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.type = NID_sm3,
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.pkey_type = NID_sm3WithRSAEncryption,
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.md_size = SM3_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = sm3_init,
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.update = sm3_update,
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.final = sm3_final,
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.copy = NULL,
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.cleanup = NULL,
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#ifndef OPENSSL_NO_RSA
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.sign = (evp_sign_method *)RSA_sign,
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.verify = (evp_verify_method *)RSA_verify,
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.required_pkey_type = {
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EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
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},
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#endif
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.block_size = SM3_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SM3_CTX),
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};
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const EVP_MD *
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EVP_sm3(void)
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{
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return &sm3_md;
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}
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#endif /* OPENSSL_NO_SM3 */
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