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
  14 struct key;
  15 struct pkcs7_message;
  16
  17 /*
  18  * pkcs7_parser.c
  19  */
  20 extern struct pkcs7_message *pkcs7_parse_message(const void *data,
  21                                                  size_t datalen);
  22 extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
  23
  24 extern 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  */
  31 extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
  32                                 struct key *trust_keyring);
  33
  34 /*
  35  * pkcs7_verify.c
  36  */
  37 extern int pkcs7_verify(struct pkcs7_message *pkcs7,
  38                         enum key_being_used_for usage);
  39
  40 extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
  41                                       const void *data, size_t datalen);
  42
  43 #endif /* _CRYPTO_PKCS7_H */