ALSA: hda/realtek - Move some alc236 pintbls to fallback table
[sfrench/cifs-2.6.git] / include / crypto / pkcs7.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* PKCS#7 crypto data parser
3  *
4  * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
5  * Written by David Howells (dhowells@redhat.com)
6  */
7
8 #ifndef _CRYPTO_PKCS7_H
9 #define _CRYPTO_PKCS7_H
10
11 #include <linux/verification.h>
12 #include <linux/hash_info.h>
13 #include <crypto/public_key.h>
14
15 struct key;
16 struct pkcs7_message;
17
18 /*
19  * pkcs7_parser.c
20  */
21 extern struct pkcs7_message *pkcs7_parse_message(const void *data,
22                                                  size_t datalen);
23 extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
24
25 extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
26                                   const void **_data, size_t *_datalen,
27                                   size_t *_headerlen);
28
29 /*
30  * pkcs7_trust.c
31  */
32 extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
33                                 struct key *trust_keyring);
34
35 /*
36  * pkcs7_verify.c
37  */
38 extern int pkcs7_verify(struct pkcs7_message *pkcs7,
39                         enum key_being_used_for usage);
40
41 extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
42                                       const void *data, size_t datalen);
43
44 extern int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf,
45                             u32 *len, enum hash_algo *hash_algo);
46
47 #endif /* _CRYPTO_PKCS7_H */