1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2021 Stormshield.
5 * Copyright (c) 2021 Semihalf.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef __OSSL_CIPHER_H__
29#define __OSSL_CIPHER_H__
30
31#include <sys/types.h>
32#include <crypto/rijndael/rijndael.h>
33
34struct ossl_session_cipher;
35struct cryptop;
36struct crypto_session_params;
37
38typedef int (ossl_cipher_setkey_t)(const unsigned char*, int, void*);
39typedef int (ossl_cipher_process_t)(struct ossl_session_cipher*, struct cryptop*,
40    const struct crypto_session_params*);
41typedef void (ossl_cipher_encrypt_t)(const unsigned char*, unsigned char*, size_t,
42    const void*, unsigned char*, int);
43
44ossl_cipher_encrypt_t ossl_aes_cbc_encrypt;
45
46struct ossl_cipher {
47	int			type;
48	uint16_t		blocksize;
49	uint16_t		ivsize;
50
51	ossl_cipher_setkey_t	*set_encrypt_key;
52	ossl_cipher_setkey_t	*set_decrypt_key;
53	ossl_cipher_process_t	*process;
54};
55
56struct ossl_aes_keysched {
57	uint32_t ks[4 * (RIJNDAEL_MAXNR + 1)];
58	int rounds;
59};
60
61#endif
62