LXR linux/security/apparmor/include/crypto.h

   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