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@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_vector(const u8 *key, size_t num_elem, 28 const u8 *addr[], const size_t *len, u8 *mac); 29 int omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac); 30 int aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out); 31 int aes_128_ctr_encrypt(const u8 *key, const u8 *nonce, 32 u8 *data, size_t data_len); 33 int aes_128_eax_encrypt(const u8 *key, const u8 *nonce, size_t nonce_len, 34 const u8 *hdr, size_t hdr_len, 35 u8 *data, size_t data_len, u8 *tag); 36 int aes_128_eax_decrypt(const u8 *key, const u8 *nonce, size_t nonce_len, 37 const u8 *hdr, size_t hdr_len, 38 u8 *data, size_t data_len, const u8 *tag); 39 int aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data, 40 size_t data_len); 41 int aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data, 42 size_t data_len); 43 44 #endif /* AES_WRAP_H */ 45