1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Asymmetric public-key cryptography data parser
3 *
4 * See Documentation/crypto/asymmetric-keys.rst
5 *
6 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
7 * Written by David Howells (dhowells@redhat.com)
8 */
9
10 #ifndef _KEYS_ASYMMETRIC_PARSER_H
11 #define _KEYS_ASYMMETRIC_PARSER_H
12
13 struct key_preparsed_payload;
14
15 /*
16 * Key data parser. Called during key instantiation.
17 */
18 struct asymmetric_key_parser {
19 struct list_head link;
20 struct module *owner;
21 const char *name;
22
23 /* Attempt to parse a key from the data blob passed to add_key() or
24 * keyctl_instantiate(). Should also generate a proposed description
25 * that the caller can optionally use for the key.
26 *
27 * Return EBADMSG if not recognised.
28 */
29 int (*parse)(struct key_preparsed_payload *prep);
30 };
31
32 extern int register_asymmetric_key_parser(struct asymmetric_key_parser *);
33 extern void unregister_asymmetric_key_parser(struct asymmetric_key_parser *);
34
35 #endif /* _KEYS_ASYMMETRIC_PARSER_H */
36
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