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
18struct key;
19struct pkcs7_message;
20
21/*
22 * pkcs7_parser.c
23 */
24extern struct pkcs7_message *pkcs7_parse_message(const void *data,
25						 size_t datalen);
26extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
27
28extern 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 */
35extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
36				struct key *trust_keyring);
37
38/*
39 * pkcs7_verify.c
40 */
41extern int pkcs7_verify(struct pkcs7_message *pkcs7,
42			enum key_being_used_for usage);
43
44extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
45				      const void *data, size_t datalen);
46
47#endif /* _CRYPTO_PKCS7_H */