xref: /freebsd/contrib/wpa/src/crypto/aes_wrap.h (revision a0ee8cc6)
1 /*
2  * AES-based functions
3  *
4  * - AES Key Wrap Algorithm (RFC3394)
5  * - One-Key CBC MAC (OMAC1) hash with AES-128 and AES-256
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, size_t kek_len, int n, const u8 *plain,
22 			  u8 *cipher);
23 int __must_check aes_unwrap(const u8 *kek, size_t kek_len, int n,
24 			    const u8 *cipher, u8 *plain);
25 int __must_check omac1_aes_vector(const u8 *key, size_t key_len,
26 				  size_t num_elem, const u8 *addr[],
27 				  const size_t *len, u8 *mac);
28 int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
29 				      const u8 *addr[], const size_t *len,
30 				      u8 *mac);
31 int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
32 			       u8 *mac);
33 int __must_check omac1_aes_256(const u8 *key, const u8 *data, size_t data_len,
34 			       u8 *mac);
35 int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
36 int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
37 				     u8 *data, size_t data_len);
38 int __must_check aes_128_eax_encrypt(const u8 *key,
39 				     const u8 *nonce, size_t nonce_len,
40 				     const u8 *hdr, size_t hdr_len,
41 				     u8 *data, size_t data_len, u8 *tag);
42 int __must_check aes_128_eax_decrypt(const u8 *key,
43 				     const u8 *nonce, size_t nonce_len,
44 				     const u8 *hdr, size_t hdr_len,
45 				     u8 *data, size_t data_len, const u8 *tag);
46 int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
47 				     size_t data_len);
48 int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
49 				     size_t data_len);
50 int __must_check aes_gcm_ae(const u8 *key, size_t key_len,
51 			    const u8 *iv, size_t iv_len,
52 			    const u8 *plain, size_t plain_len,
53 			    const u8 *aad, size_t aad_len,
54 			    u8 *crypt, u8 *tag);
55 int __must_check aes_gcm_ad(const u8 *key, size_t key_len,
56 			    const u8 *iv, size_t iv_len,
57 			    const u8 *crypt, size_t crypt_len,
58 			    const u8 *aad, size_t aad_len, const u8 *tag,
59 			    u8 *plain);
60 int __must_check aes_gmac(const u8 *key, size_t key_len,
61 			  const u8 *iv, size_t iv_len,
62 			  const u8 *aad, size_t aad_len, u8 *tag);
63 int __must_check aes_ccm_ae(const u8 *key, size_t key_len, const u8 *nonce,
64 			    size_t M, const u8 *plain, size_t plain_len,
65 			    const u8 *aad, size_t aad_len, u8 *crypt, u8 *auth);
66 int __must_check aes_ccm_ad(const u8 *key, size_t key_len, const u8 *nonce,
67 			    size_t M, const u8 *crypt, size_t crypt_len,
68 			    const u8 *aad, size_t aad_len, const u8 *auth,
69 			    u8 *plain);
70 
71 #endif /* AES_WRAP_H */
72