LXR linux/include/keys/system

   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 */
  63