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freebsd/contrib/hostapd/aes_wrap.h
2006-03-07 05:47:04 +00:00

43 lines
1.5 KiB
C

/*
* AES-based functions
*
* - AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
* - One-Key CBC MAC (OMAC1) hash with AES-128
* - AES-128 CTR mode encryption
* - AES-128 EAX mode encryption/decryption
* - AES-128 CBC
*
* Copyright (c) 2003-2005, Jouni Malinen <jkmaline@cc.hut.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef AES_WRAP_H
#define AES_WRAP_H
int aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
int aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
int omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac);
int aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
int aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
u8 *data, size_t data_len);
int aes_128_eax_encrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
const u8 *hdr, size_t hdr_len,
u8 *data, size_t data_len, u8 *tag);
int aes_128_eax_decrypt(const u8 *key, const u8 *nonce, size_t nonce_len,
const u8 *hdr, size_t hdr_len,
u8 *data, size_t data_len, const u8 *tag);
int aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
size_t data_len);
int aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
size_t data_len);
#endif /* AES_WRAP_H */