contrib/wpa_supplicant-0.5.8/aes_wrap.h

   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) 2003-2005, Jouni Malinen <j@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 aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
  26 int aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
  27 int omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac);
  28 int aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
  29 int aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
  30                         u8 *data, size_t data_len);
  31 int aes_128_eax_encrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
  32                         const u8 *hdr, size_t hdr_len,
  33                         u8 *data, size_t data_len, u8 *tag);
  34 int aes_128_eax_decrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
  35                         const u8 *hdr, size_t hdr_len,
  36                         u8 *data, size_t data_len, const u8 *tag);
  37 int aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
  38                         size_t data_len);
  39 int aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
  40                         size_t data_len);
  41
  42 #endif /* AES_WRAP_H */