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gosthash.h
52 строки
2 KB
Dmitry Belyavsky
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14 авг 2015, 20:50
14 авг 2015, 20:50
c98ba9d
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/********************************************************************** * gosthash.h * * Copyright (c) 2005-2006 Cryptocom LTD * * This file is distributed under the same license as OpenSSL * * * * Declaration of GOST R 34.11-94 hash functions * * uses and gost89.h Doesn't need OpenSSL * **********************************************************************/ #ifndef GOSTHASH_H # define GOSTHASH_H # include "gost89.h" # include <stdlib.h> # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) typedef __int64 ghosthash_len; # elif defined(__arch64__) typedef long ghosthash_len; # else typedef long long ghosthash_len; # endif typedef struct gost_hash_ctx { ghosthash_len len; gost_ctx *cipher_ctx; int left; byte H[32]; byte S[32]; byte remainder[32]; } gost_hash_ctx; /* Initalizes gost hash ctx, including creation of gost cipher ctx */ int init_gost_hash_ctx(gost_hash_ctx * ctx, const gost_subst_block * subst_block); void done_gost_hash_ctx(gost_hash_ctx * ctx); /* * Cleans up all fields, except cipher ctx preparing ctx for computing of new * hash value */ int start_hash(gost_hash_ctx * ctx); /* Hashes block of data */ int hash_block(gost_hash_ctx * ctx, const byte * block, size_t length); /* * Finalizes computation of hash and fills buffer (which should be at least * 32 bytes long) with value of computed hash. */ int finish_hash(gost_hash_ctx * ctx, byte * hashval); #endif