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 * - 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, int n, const u8 *plain, u8 *cipher);
22int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
23int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
24				      const u8 *addr[], const size_t *len,
25				      u8 *mac);
26int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
27			       u8 *mac);
28int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
29int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
30				     u8 *data, size_t data_len);
31int __must_check aes_128_eax_encrypt(const u8 *key,
32				     const u8 *nonce, size_t nonce_len,
33				     const u8 *hdr, size_t hdr_len,
34				     u8 *data, size_t data_len, u8 *tag);
35int __must_check aes_128_eax_decrypt(const u8 *key,
36				     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);
39int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
40				     size_t data_len);
41int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
42				     size_t data_len);
43int __must_check aes_gcm_ae(const u8 *key, size_t key_len,
44			    const u8 *iv, size_t iv_len,
45			    const u8 *plain, size_t plain_len,
46			    const u8 *aad, size_t aad_len,
47			    u8 *crypt, u8 *tag);
48int __must_check aes_gcm_ad(const u8 *key, size_t key_len,
49			    const u8 *iv, size_t iv_len,
50			    const u8 *crypt, size_t crypt_len,
51			    const u8 *aad, size_t aad_len, const u8 *tag,
52			    u8 *plain);
53int __must_check aes_gmac(const u8 *key, size_t key_len,
54			  const u8 *iv, size_t iv_len,
55			  const u8 *aad, size_t aad_len, u8 *tag);
56int __must_check aes_ccm_ae(const u8 *key, size_t key_len, const u8 *nonce,
57			    size_t M, const u8 *plain, size_t plain_len,
58			    const u8 *aad, size_t aad_len, u8 *crypt, u8 *auth);
59int __must_check aes_ccm_ad(const u8 *key, size_t key_len, const u8 *nonce,
60			    size_t M, const u8 *crypt, size_t crypt_len,
61			    const u8 *aad, size_t aad_len, const u8 *auth,
62			    u8 *plain);
63
64#endif /* AES_WRAP_H */
65