3 This file is part of the Crypto-avr-lib/microcrypt-lib.
4 Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * \brief SHABEA - a SHA Based Encryption Algorithm declarations
24 * \license GPLv3 or later
26 * SHABEAn-r where n is the blocksize and r the number of round used
33 /** \fn void shabea256(void * block, const void * key, uint16_t keysize_b, uint8_t enc, uint8_t rounds);
34 * \brief shabea256 encryption/decryption
36 * \param block pointer to a 256 bit (32 byte block) to en/decrypt
37 * \param key pointer to the key material
38 * \param keysize_b length of the key in bits
39 * \param enc controls if encryption (1) or decryption (0) is done
40 * \param rounds rounds to be done by the cipher (it is not recommended to use less then four rounds)
42 void shabea256(void * block, const void * key, uint16_t keysize_b,
43 uint8_t enc, uint8_t rounds);