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      1 /*
      2  * DES and 3DES-EDE ciphers
      3  * Copyright (c) 2006-2009, Jouni Malinen <j (at) 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