1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* System keyring containing trusted public keys.
4 * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
8 #ifndef _KEYS_SYSTEM_KEYRING_H
9 #define _KEYS_SYSTEM_KEYRING_H
11 #include <linux/key.h>
13 #ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
15 extern int restrict_link_by_builtin_trusted(struct key *keyring,
16 const struct key_type *type,
17 const union key_payload *payload,
18 struct key *restriction_key);
21 #define restrict_link_by_builtin_trusted restrict_link_reject
24 #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
25 extern int restrict_link_by_builtin_and_secondary_trusted(
27 const struct key_type *type,
28 const union key_payload *payload,
29 struct key *restriction_key);
31 #define restrict_link_by_builtin_and_secondary_trusted restrict_link_by_builtin_trusted
34 extern struct pkcs7_message *pkcs7;
35 #ifdef CONFIG_SYSTEM_BLACKLIST_KEYRING
36 extern int mark_hash_blacklisted(const char *hash);
37 extern int is_hash_blacklisted(const u8 *hash, size_t hash_len,
39 extern int is_binary_blacklisted(const u8 *hash, size_t hash_len);
41 static inline int is_hash_blacklisted(const u8 *hash, size_t hash_len,
47 static inline int is_binary_blacklisted(const u8 *hash, size_t hash_len)
53 #ifdef CONFIG_SYSTEM_REVOCATION_LIST
54 extern int add_key_to_revocation_list(const char *data, size_t size);
55 extern int is_key_on_revocation_list(struct pkcs7_message *pkcs7);
57 static inline int add_key_to_revocation_list(const char *data, size_t size)
61 static inline int is_key_on_revocation_list(struct pkcs7_message *pkcs7)
67 #ifdef CONFIG_IMA_BLACKLIST_KEYRING
68 extern struct key *ima_blacklist_keyring;
70 static inline struct key *get_ima_blacklist_keyring(void)
72 return ima_blacklist_keyring;
75 static inline struct key *get_ima_blacklist_keyring(void)
79 #endif /* CONFIG_IMA_BLACKLIST_KEYRING */
81 #if defined(CONFIG_INTEGRITY_PLATFORM_KEYRING) && \
82 defined(CONFIG_SYSTEM_TRUSTED_KEYRING)
83 extern void __init set_platform_trusted_keys(struct key *keyring);
85 static inline void set_platform_trusted_keys(struct key *keyring)
90 #endif /* _KEYS_SYSTEM_KEYRING_H */