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      1 /*
      2  * AES-based functions
      3  *
      4  * - AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
      5  * - One-Key CBC MAC (OMAC1) hash with AES-128
      6  * - AES-128 CTR mode encryption
      7  * - AES-128 EAX mode encryption/decryption
      8  * - AES-128 CBC
      9  *
     10  * Copyright (c) 2003-2007, Jouni Malinen <j (at) w1.fi>
     11  *
     12  * This program is free software; you can redistribute it and/or modify
     13  * it under the terms of the GNU General Public License version 2 as
     14  * published by the Free Software Foundation.
     15  *
     16  * Alternatively, this software may be distributed under the terms of BSD
     17  * license.
     18  *
     19  * See README and COPYING for more details.
     20  */
     21 
     22 #ifndef AES_WRAP_H
     23 #define AES_WRAP_H
     24 
     25 int __must_check aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
     26 int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
     27 int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
     28 				      const u8 *addr[], const size_t *len,
     29 				      u8 *mac);
     30 int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
     31 			       u8 *mac);
     32 int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
     33 int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
     34 				     u8 *data, size_t data_len);
     35 int __must_check aes_128_eax_encrypt(const u8 *key,
     36 				     const u8 *nonce, size_t nonce_len,
     37 				     const u8 *hdr, size_t hdr_len,
     38 				     u8 *data, size_t data_len, u8 *tag);
     39 int __must_check aes_128_eax_decrypt(const u8 *key,
     40 				     const u8 *nonce, size_t nonce_len,
     41 				     const u8 *hdr, size_t hdr_len,
     42 				     u8 *data, size_t data_len, const u8 *tag);
     43 int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
     44 				     size_t data_len);
     45 int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
     46 				     size_t data_len);
     47 
     48 #endif /* AES_WRAP_H */
     49