1 /* $OpenBSD: sm3.h,v 1.1 2018/11/11 06:53:31 tb 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 #ifndef HEADER_SM3_H 19 #define HEADER_SM3_H 20 21 #include <stddef.h> 22 #include <openssl/opensslconf.h> 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 #ifdef OPENSSL_NO_SM3 29 #error SM3 is disabled. 30 #endif 31 32 #define SM3_DIGEST_LENGTH 32 33 #define SM3_WORD unsigned int 34 35 #define SM3_CBLOCK 64 36 #define SM3_LBLOCK (SM3_CBLOCK / 4) 37 38 typedef struct SM3state_st { 39 SM3_WORD A, B, C, D, E, F, G, H; 40 SM3_WORD Nl, Nh; 41 SM3_WORD data[SM3_LBLOCK]; 42 unsigned int num; 43 } SM3_CTX; 44 45 int SM3_Init(SM3_CTX *c); 46 int SM3_Update(SM3_CTX *c, const void *data, size_t len); 47 int SM3_Final(unsigned char *md, SM3_CTX *c); 48 49 #ifdef __cplusplus 50 } 51 #endif 52 53 #endif /* HEADER_SM3_H */ 54