xref: /freebsd/contrib/wpa/src/crypto/aes_wrap.h (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
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 
21 int __must_check aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
22 int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
23 int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
24 				      const u8 *addr[], const size_t *len,
25 				      u8 *mac);
26 int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
27 			       u8 *mac);
28 int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
29 int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
30 				     u8 *data, size_t data_len);
31 int __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);
35 int __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);
39 int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
40 				     size_t data_len);
41 int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
42 				     size_t data_len);
43 int __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);
48 int __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);
53 int __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);
56 int __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);
59 int __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