1/* System keyring containing trusted public keys.
 2 *
 3 * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
 4 * Written by David Howells (dhowells@redhat.com)
 5 *
 6 * This program is free software; you can redistribute it and/or
 7 * modify it under the terms of the GNU General Public Licence
 8 * as published by the Free Software Foundation; either version
 9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#ifndef _KEYS_SYSTEM_KEYRING_H
13#define _KEYS_SYSTEM_KEYRING_H
14
15#ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
16
17#include <linux/key.h>
18#include <crypto/public_key.h>
19
20extern struct key *system_trusted_keyring;
21static inline struct key *get_system_trusted_keyring(void)
22{
23	return system_trusted_keyring;
24}
25#else
26static inline struct key *get_system_trusted_keyring(void)
27{
28	return NULL;
29}
30#endif
31
32#ifdef CONFIG_SYSTEM_DATA_VERIFICATION
33extern int system_verify_data(const void *data, unsigned long len,
34			      const void *raw_pkcs7, size_t pkcs7_len,
35			      enum key_being_used_for usage);
36#endif
37
38#ifdef CONFIG_IMA_MOK_KEYRING
39extern struct key *ima_mok_keyring;
40extern struct key *ima_blacklist_keyring;
41
42static inline struct key *get_ima_mok_keyring(void)
43{
44	return ima_mok_keyring;
45}
46static inline struct key *get_ima_blacklist_keyring(void)
47{
48	return ima_blacklist_keyring;
49}
50#else
51static inline struct key *get_ima_mok_keyring(void)
52{
53	return NULL;
54}
55static inline struct key *get_ima_blacklist_keyring(void)
56{
57	return NULL;
58}
59#endif /* CONFIG_IMA_MOK_KEYRING */
60
61
62#endif /* _KEYS_SYSTEM_KEYRING_H */