1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* PKCS#7 crypto data parser
4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
8 #ifndef _CRYPTO_PKCS7_H
9 #define _CRYPTO_PKCS7_H
11 #include <linux/verification.h>
12 #include <linux/hash_info.h>
13 #include <crypto/public_key.h>
21 extern struct pkcs7_message *pkcs7_parse_message(const void *data,
23 extern void pkcs7_free_message(struct pkcs7_message *pkcs7);
25 extern int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
26 const void **_data, size_t *_datalen,
32 extern int pkcs7_validate_trust(struct pkcs7_message *pkcs7,
33 struct key *trust_keyring);
38 extern int pkcs7_verify(struct pkcs7_message *pkcs7,
39 enum key_being_used_for usage);
41 extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
42 const void *data, size_t datalen);
44 extern int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf,
45 u32 *len, enum hash_algo *hash_algo);
47 #endif /* _CRYPTO_PKCS7_H */