1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * AppArmor security module
4 *
5 * This file contains AppArmor policy loading interface function definitions.
6 *
7 * Copyright 2013 Canonical Ltd.
8 */
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);
17char *aa_calc_hash(void *data, size_t len);
18int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
19 size_t len);
20#else
21static inline char *aa_calc_hash(void *data, size_t len)
22{
23 return NULL;
24}
25static 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 */
38

source code of linux/security/apparmor/include/crypto.h