message_to_hash.c (1266B)
1 /* 2 This file is part of Frosix 3 Copyright (C) 2022, 2023 Frosix 4 5 Frosix is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Affero General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 Frosix is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. 12 13 You should have received a copy of the GNU Affero General Public License along with 14 Frosix; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file message_to_hash.c 18 * @brief Implements a simple hashing function to convert some input bytes into a hash. 19 * @author Joel Urech 20 */ 21 #include "frost_high.h" 22 23 /** 24 * We expect our message to be a hash value. This function provides an interface to hash abritrary messages. 25 */ 26 void 27 FROST_message_to_hash ( 28 struct FROST_MessageHash *message_hash, 29 const void *msg, 30 size_t msg_len) 31 { 32 struct FROST_HashState state; 33 FROST_hash_init (&state); 34 FROST_hash_fixed_update (&state, msg, msg_len); 35 36 FROST_hash_final (&state, &message_hash->hash); 37 }