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Thomas Gleixnerb886d83c2019-06-01 10:08:55 +02001/* SPDX-License-Identifier: GPL-2.0-only */
John Johansenf8eb8a12013-08-14 11:27:36 -07002/*
3 * AppArmor security module
4 *
5 * This file contains AppArmor policy loading interface function definitions.
6 *
7 * Copyright 2013 Canonical Ltd.
John Johansenf8eb8a12013-08-14 11:27:36 -07008 */
9
10#ifndef __APPARMOR_CRYPTO_H
11#define __APPARMOR_CRYPTO_H
12
13#include "policy.h"
14
15#ifdef CONFIG_SECURITY_APPARMOR_HASH
16unsigned int aa_hash_size(void);
John Johansen5ac8c352017-01-16 00:42:55 -080017char *aa_calc_hash(void *data, size_t len);
John Johansenf8eb8a12013-08-14 11:27:36 -070018int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
19 size_t len);
20#else
John Johansen5ac8c352017-01-16 00:42:55 -080021static inline char *aa_calc_hash(void *data, size_t len)
22{
23 return NULL;
24}
John Johansenf8eb8a12013-08-14 11:27:36 -070025static inline int aa_calc_profile_hash(struct aa_profile *profile, u32 version,
26 void *start, size_t len)
27{
28 return 0;
29}
30
31static inline unsigned int aa_hash_size(void)
32{
33 return 0;
34}
35#endif
36
37#endif /* __APPARMOR_CRYPTO_H */