include/crypto/pkcs7.h

   1 /* PKCS#7 crypto data parser
   2  *
   3  * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11
  12 #ifndef _CRYPTO_PKCS7_H
  13 #define _CRYPTO_PKCS7_H
  14
  15 #include <linux/verification.h>
  16 #include <crypto/public_key.h>
  17
  18 struct key;
  19 struct pkcs7_message;
  20
  21 /*
  22  * pkcs7_parser.c
  23  */
  24 extern struct pkcs7_message *pkcs7_parse_message(const void *data,
  25                                                  size_t datalen);
  26 extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
  27
  28 extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
  29                                   const void **_data, size_t *_datalen,
  30                                   size_t *_headerlen);
  31
  32 /*
  33  * pkcs7_trust.c
  34  */
  35 extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
  36                                 struct key *trust_keyring);
  37
  38 /*
  39  * pkcs7_verify.c
  40  */
  41 extern int pkcs7_verify(struct pkcs7_message *pkcs7,
  42                         enum key_being_used_for usage);
  43
  44 extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
  45                                       const void *data, size_t datalen);
  46
  47 #endif /* _CRYPTO_PKCS7_H */