aes_wrap.h revision 9ead16e203b81d44a2d84eadc2901ceeb7daf805 
1/*
2 * AES-based functions
3 *
4 * - AES Key Wrap Algorithm (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 * - AES-GCM
10 * - AES-CCM
11 *
12 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
13 *
14 * This software may be distributed under the terms of the BSD license.
15 * See README for more details.
16 */
17
18#ifndef AES_WRAP_H
19#define AES_WRAP_H
20
21int __must_check aes_wrap(const u8 *kek, size_t kek_len, int n, const u8 *plain,
22			  u8 *cipher);
23int __must_check aes_unwrap(const u8 *kek, size_t kek_len, int n,
24			    const u8 *cipher, u8 *plain);
25int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
26				      const u8 *addr[], const size_t *len,
27				      u8 *mac);
28int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
29			       u8 *mac);
30int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
31int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
32				     u8 *data, size_t data_len);
33int __must_check aes_128_eax_encrypt(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, u8 *tag);
37int __must_check aes_128_eax_decrypt(const u8 *key,
38				     const u8 *nonce, size_t nonce_len,
39				     const u8 *hdr, size_t hdr_len,
40				     u8 *data, size_t data_len, const u8 *tag);
41int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
42				     size_t data_len);
43int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
44				     size_t data_len);
45int __must_check aes_gcm_ae(const u8 *key, size_t key_len,
46			    const u8 *iv, size_t iv_len,
47			    const u8 *plain, size_t plain_len,
48			    const u8 *aad, size_t aad_len,
49			    u8 *crypt, u8 *tag);
50int __must_check aes_gcm_ad(const u8 *key, size_t key_len,
51			    const u8 *iv, size_t iv_len,
52			    const u8 *crypt, size_t crypt_len,
53			    const u8 *aad, size_t aad_len, const u8 *tag,
54			    u8 *plain);
55int __must_check aes_gmac(const u8 *key, size_t key_len,
56			  const u8 *iv, size_t iv_len,
57			  const u8 *aad, size_t aad_len, u8 *tag);
58int __must_check aes_ccm_ae(const u8 *key, size_t key_len, const u8 *nonce,
59			    size_t M, const u8 *plain, size_t plain_len,
60			    const u8 *aad, size_t aad_len, u8 *crypt, u8 *auth);
61int __must_check aes_ccm_ad(const u8 *key, size_t key_len, const u8 *nonce,
62			    size_t M, const u8 *crypt, size_t crypt_len,
63			    const u8 *aad, size_t aad_len, const u8 *auth,
64			    u8 *plain);
65
66#endif /* AES_WRAP_H */
67