1 /* 2 * DES and 3DES-EDE ciphers 3 * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef DES_I_H 10 #define DES_I_H 11 12 struct des3_key_s { 13 u32 ek[3][32]; 14 u32 dk[3][32]; 15 }; 16 17 void des_key_setup(const u8 *key, u32 *ek, u32 *dk); 18 void des_block_encrypt(const u8 *plain, const u32 *ek, u8 *crypt); 19 void des_block_decrypt(const u8 *crypt, const u32 *dk, u8 *plain); 20 21 void des3_key_setup(const u8 *key, struct des3_key_s *dkey); 22 void des3_encrypt(const u8 *plain, const struct des3_key_s *key, u8 *crypt); 23 void des3_decrypt(const u8 *crypt, const struct des3_key_s *key, u8 *plain); 24 25 #endif /* DES_I_H */ 26