X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=des.c;h=33e6a76be96a707f5d1d50c0cbb1b239410d6e3b;hb=854dea52b9237692593d8bfc0619c194df5b9c3a;hp=0a47906afcb0fbce6d32e2fcaf4ed31ea768b3fe;hpb=79c9a6582ba071646a3062175715f59ebe210603;p=avr-crypto-lib.git diff --git a/des.c b/des.c index 0a47906..33e6a76 100644 --- a/des.c +++ b/des.c @@ -1,10 +1,29 @@ +/* des.c */ +/* + This file is part of the Crypto-avr-lib/microcrypt-lib. + Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ /** - * \file des.c - * \author Daniel Otte - * \date 2007-06-16 - * \brief DES and EDE-DES implementation + * \file des.c + * \author Daniel Otte + * \email daniel.otte@rub.de + * \date 2007-06-16 + * \brief DES and EDE-DES implementation * \par License - * GPL + * GPLv3 or later * */ #include "config.h" @@ -283,7 +302,7 @@ uint32_t des_f(uint32_t r, uint8_t* kr){ /******************************************************************************/ -void des_encrypt(uint8_t* out, uint8_t* in, uint8_t* key){ +void des_enc(uint8_t* out, uint8_t* in, uint8_t* key){ #define R *((uint32_t*)&(data[4])) #define L *((uint32_t*)&(data[0])) @@ -316,7 +335,7 @@ void des_encrypt(uint8_t* out, uint8_t* in, uint8_t* key){ /******************************************************************************/ -void des_decrypt(uint8_t* out, uint8_t* in, uint8_t* key){ +void des_dec(uint8_t* out, uint8_t* in, uint8_t* key){ #define R *((uint32_t*)&(data[4])) #define L *((uint32_t*)&(data[0])) @@ -352,18 +371,18 @@ void des_decrypt(uint8_t* out, uint8_t* in, uint8_t* key){ /******************************************************************************/ -void tdes_encrypt(uint8_t* out, uint8_t* in, uint8_t* key){ - des_encrypt(out, in, key + 0); - des_decrypt(out, out, key + 8); - des_encrypt(out, out, key +16); +void tdes_enc(uint8_t* out, uint8_t* in, uint8_t* key){ + des_enc(out, in, key + 0); + des_dec(out, out, key + 8); + des_enc(out, out, key +16); } /******************************************************************************/ -void tdes_decrypt(uint8_t* out, uint8_t* in, uint8_t* key){ - des_decrypt(out, in, key + 0); - des_encrypt(out, out, key + 8); - des_decrypt(out, out, key +16); +void tdes_dec(uint8_t* out, uint8_t* in, uint8_t* key){ + des_dec(out, in, key + 0); + des_enc(out, out, key + 8); + des_dec(out, out, key +16); } /******************************************************************************/