include/keys/system_keyring.h

   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
  20 extern struct key *system_trusted_keyring;
  21 static inline struct key *get_system_trusted_keyring(void)
  22 {
  23         return system_trusted_keyring;
  24 }
  25 #else
  26 static inline struct key *get_system_trusted_keyring(void)
  27 {
  28         return NULL;
  29 }
  30 #endif
  31
  32 #ifdef CONFIG_SYSTEM_DATA_VERIFICATION
  33 extern 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
  39 extern struct key *ima_mok_keyring;
  40 extern struct key *ima_blacklist_keyring;
  41
  42 static inline struct key *get_ima_mok_keyring(void)
  43 {
  44         return ima_mok_keyring;
  45 }
  46 static inline struct key *get_ima_blacklist_keyring(void)
  47 {
  48         return ima_blacklist_keyring;
  49 }
  50 #else
  51 static inline struct key *get_ima_mok_keyring(void)
  52 {
  53         return NULL;
  54 }
  55 static 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 */