1 /* 2 * DES and 3DES-EDE ciphers 3 * Copyright (c) 2006-2009, Jouni Malinen <j (at) w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef DES_I_H 16 #define DES_I_H 17 18 struct des3_key_s { 19 u32 ek[3][32]; 20 u32 dk[3][32]; 21 }; 22 23 void des_key_setup(const u8 *key, u32 *ek, u32 *dk); 24 void des_block_encrypt(const u8 *plain, const u32 *ek, u8 *crypt); 25 void des_block_decrypt(const u8 *crypt, const u32 *dk, u8 *plain); 26 27 void des3_key_setup(const u8 *key, struct des3_key_s *dkey); 28 void des3_encrypt(const u8 *plain, const struct des3_key_s *key, u8 *crypt); 29 void des3_decrypt(const u8 *crypt, const struct des3_key_s *key, u8 *plain); 30 31 #endif /* DES_I_H */ 32
