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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-128/192/256 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_ctr_encrypt(const u8 *key, size_t key_len, const u8 *nonce,
37 				 u8 *data, size_t data_len);
38 int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
39 				     u8 *data, size_t data_len);
40 int __must_check aes_128_eax_encrypt(const u8 *key,
41 				     const u8 *nonce, size_t nonce_len,
42 				     const u8 *hdr, size_t hdr_len,
43 				     u8 *data, size_t data_len, u8 *tag);
44 int __must_check aes_128_eax_decrypt(const u8 *key,
45 				     const u8 *nonce, size_t nonce_len,
46 				     const u8 *hdr, size_t hdr_len,
47 				     u8 *data, size_t data_len, const u8 *tag);
48 int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
49 				     size_t data_len);
50 int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
51 				     size_t data_len);
52 int __must_check aes_gcm_ae(const u8 *key, size_t key_len,
53 			    const u8 *iv, size_t iv_len,
54 			    const u8 *plain, size_t plain_len,
55 			    const u8 *aad, size_t aad_len,
56 			    u8 *crypt, u8 *tag);
57 int __must_check aes_gcm_ad(const u8 *key, size_t key_len,
58 			    const u8 *iv, size_t iv_len,
59 			    const u8 *crypt, size_t crypt_len,
60 			    const u8 *aad, size_t aad_len, const u8 *tag,
61 			    u8 *plain);
62 int __must_check aes_gmac(const u8 *key, size_t key_len,
63 			  const u8 *iv, size_t iv_len,
64 			  const u8 *aad, size_t aad_len, u8 *tag);
65 int __must_check aes_ccm_ae(const u8 *key, size_t key_len, const u8 *nonce,
66 			    size_t M, const u8 *plain, size_t plain_len,
67 			    const u8 *aad, size_t aad_len, u8 *crypt, u8 *auth);
68 int __must_check aes_ccm_ad(const u8 *key, size_t key_len, const u8 *nonce,
69 			    size_t M, const u8 *crypt, size_t crypt_len,
70 			    const u8 *aad, size_t aad_len, const u8 *auth,
71 			    u8 *plain);
72 
73 #endif /* AES_WRAP_H */
74