1/* $OpenBSD: m_sm3.c,v 1.7 2024/04/09 13:52:41 beck Exp $ */ 2/* 3 * Copyright (c) 2018, Ribose Inc 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#include <openssl/opensslconf.h> 19 20#ifndef OPENSSL_NO_SM3 21#include <openssl/evp.h> 22#include <openssl/sm3.h> 23 24#ifndef OPENSSL_NO_RSA 25#include <openssl/rsa.h> 26#endif 27 28#include "evp_local.h" 29 30static int 31sm3_init(EVP_MD_CTX *ctx) 32{ 33 return SM3_Init(ctx->md_data); 34} 35 36static int 37sm3_update(EVP_MD_CTX *ctx, const void *data, size_t count) 38{ 39 return SM3_Update(ctx->md_data, data, count); 40} 41 42static int 43sm3_final(EVP_MD_CTX *ctx, unsigned char *md) 44{ 45 return SM3_Final(md, ctx->md_data); 46} 47 48static const EVP_MD sm3_md = { 49 .type = NID_sm3, 50 .pkey_type = NID_sm3WithRSAEncryption, 51 .md_size = SM3_DIGEST_LENGTH, 52 .flags = EVP_MD_FLAG_DIGALGID_ABSENT, 53 .init = sm3_init, 54 .update = sm3_update, 55 .final = sm3_final, 56 .copy = NULL, 57 .cleanup = NULL, 58 .block_size = SM3_CBLOCK, 59 .ctx_size = sizeof(EVP_MD *) + sizeof(SM3_CTX), 60}; 61 62const EVP_MD * 63EVP_sm3(void) 64{ 65 return &sm3_md; 66} 67LCRYPTO_ALIAS(EVP_sm3); 68 69#endif /* OPENSSL_NO_SM3 */ 70