72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* bcal_tdes2.c */
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/*
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This file is part of the AVR-Crypto-Lib.
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Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file bcal_tdes.c
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* \email bg@nerilex.org
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* \author Daniel Otte
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* \date 2010-02-02
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* \license GPLv3 or later
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*
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*/
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#include <avr/pgmspace.h>
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#include <stdlib.h>
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#include <string.h>
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#include "blockcipher_descriptor.h"
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#include "des.h"
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#include "keysize_descriptor.h"
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const char tdes2_str[] PROGMEM = "TDES-2";
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const uint8_t tdes2_keysize_desc[] PROGMEM = { KS_TYPE_LIST, 1, KS_INT(128),
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KS_TYPE_TERMINATOR };
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static
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void tdes_dummy_enc(void *block, void *key)
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{
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tdes_enc(block, block, key);
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}
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static
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void tdes_dummy_dec(void *block, void *key)
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{
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tdes_dec(block, block, key);
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}
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static
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void tdes2_init(void *key, void *ctx)
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{
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memcpy(ctx, key, 16);
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memcpy((uint8_t*) ctx + 16, key, 8);
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}
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const bcdesc_t tdes2_desc PROGMEM = {
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BCDESC_TYPE_BLOCKCIPHER,
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BC_INIT_TYPE_1,
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tdes2_str,
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24,
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64,
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{ (void_fpt) tdes2_init },
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{ (void_fpt) tdes_dummy_enc },
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{ (void_fpt) tdes_dummy_dec },
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(bc_free_fpt) NULL,
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tdes2_keysize_desc
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};
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