1/********************************************************************** 2 * gosthash.h * 3 * Copyright (c) 2005-2006 Cryptocom LTD * 4 * This file is distributed under the same license as OpenSSL * 5 * * 6 * Declaration of GOST R 34.11-94 hash functions * 7 * uses and gost89.h Doesn't need OpenSSL * 8 **********************************************************************/ 9#ifndef GOSTHASH_H 10#define GOSTHASH_H 11#include "gost89.h" 12#include <stdlib.h> 13 14#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) 15typedef __int64 ghosthash_len; 16#elif defined(__arch64__) 17typedef long ghosthash_len; 18#else 19typedef long long ghosthash_len; 20#endif 21 22typedef struct gost_hash_ctx { 23 ghosthash_len len; 24 gost_ctx *cipher_ctx; 25 int left; 26 byte H[32]; 27 byte S[32]; 28 byte remainder[32]; 29} gost_hash_ctx; 30 31 32/* Initalizes gost hash ctx, including creation of gost cipher ctx */ 33 34int init_gost_hash_ctx(gost_hash_ctx *ctx, const gost_subst_block *subst_block); 35void done_gost_hash_ctx(gost_hash_ctx *ctx); 36 37/* Cleans up all fields, except cipher ctx preparing ctx for computing 38 * of new hash value */ 39int start_hash(gost_hash_ctx *ctx); 40 41/* Hashes block of data */ 42int hash_block(gost_hash_ctx *ctx, const byte *block, size_t length); 43 44/* Finalizes computation of hash and fills buffer (which should be at 45 * least 32 bytes long) with value of computed hash. */ 46int finish_hash(gost_hash_ctx *ctx, byte *hashval); 47 48#endif 49