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 software may be distributed under the terms of the BSD license. 13 * See README for more details. 14 */ 15 16 #ifndef AES_WRAP_H 17 #define AES_WRAP_H 18 19 int __must_check aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher); 20 int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain); 21 int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem, 22 const u8 *addr[], const size_t *len, 23 u8 *mac); 24 int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, 25 u8 *mac); 26 int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out); 27 int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce, 28 u8 *data, size_t data_len); 29 int __must_check aes_128_eax_encrypt(const u8 *key, 30 const u8 *nonce, size_t nonce_len, 31 const u8 *hdr, size_t hdr_len, 32 u8 *data, size_t data_len, u8 *tag); 33 int __must_check aes_128_eax_decrypt(const u8 *key, 34 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 __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data, 38 size_t data_len); 39 int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data, 40 size_t data_len); 41 42 #endif /* AES_WRAP_H */ 43