LXR linux/include/crypto/pkcs7.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/* PKCS#7 crypto data parser
   3 *
   4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
   5 * Written by David Howells (dhowells@redhat.com)
   6 */
   7
   8#ifndef _CRYPTO_PKCS7_H
   9#define _CRYPTO_PKCS7_H
  10
  11#include <linux/verification.h>
  12#include <crypto/public_key.h>
  13
  14struct key;
  15struct pkcs7_message;
  16
  17/*
  18 * pkcs7_parser.c
  19 */
  20extern struct pkcs7_message *pkcs7_parse_message(const void *data,
  21                                                 size_t datalen);
  22extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
  23
  24extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
  25                                  const void **_data, size_t *_datalen,
  26                                  size_t *_headerlen);
  27
  28/*
  29 * pkcs7_trust.c
  30 */
  31extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
  32                                struct key *trust_keyring);
  33
  34/*
  35 * pkcs7_verify.c
  36 */
  37extern int pkcs7_verify(struct pkcs7_message *pkcs7,
  38                        enum key_being_used_for usage);
  39
  40extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
  41                                      const void *data, size_t datalen);
  42
  43#endif /* _CRYPTO_PKCS7_H */
  44