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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 16int init_profile_hash(void); 17unsigned int aa_hash_size(void); 18char *aa_calc_hash(void *data, size_t len); 19int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start, 20 size_t len); 21#else 22static inline char *aa_calc_hash(void *data, size_t len) 23{ 24 return NULL; 25} 26static inline int aa_calc_profile_hash(struct aa_profile *profile, u32 version, 27 void *start, size_t len) 28{ 29 return 0; 30} 31 32static inline unsigned int aa_hash_size(void) 33{ 34 return 0; 35} 36#endif 37 38#endif /* __APPARMOR_CRYPTO_H */