1 /* 2 * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright 2017 Ribose Inc. All Rights Reserved. 4 * 5 * Licensed under the Apache License 2.0 (the "License"). You may not use 6 * this file except in compliance with the License. You can obtain a copy 7 * in the file LICENSE in the source distribution or at 8 * https://www.openssl.org/source/license.html 9 */ 10 11 /* This header can move into provider when legacy support is removed */ 12 #ifndef OSSL_INTERNAL_SM3_H 13 #define OSSL_INTERNAL_SM3_H 14 #pragma once 15 16 #include <openssl/opensslconf.h> 17 18 #ifdef OPENSSL_NO_SM3 19 #error SM3 is disabled. 20 #endif 21 22 #define SM3_DIGEST_LENGTH 32 23 #define SM3_WORD unsigned int 24 25 #define SM3_CBLOCK 64 26 #define SM3_LBLOCK (SM3_CBLOCK / 4) 27 28 typedef struct SM3state_st { 29 SM3_WORD A, B, C, D, E, F, G, H; 30 SM3_WORD Nl, Nh; 31 SM3_WORD data[SM3_LBLOCK]; 32 unsigned int num; 33 } SM3_CTX; 34 35 int ossl_sm3_init(SM3_CTX *c); 36 int ossl_sm3_update(SM3_CTX *c, const void *data, size_t len); 37 int ossl_sm3_final(unsigned char *md, SM3_CTX *c); 38 39 #endif /* OSSL_INTERNAL_SM3_H */ 40