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 /*
14  * Key data parser.  Called during key instantiation.
15  */
16 struct asymmetric_key_parser {
17 	struct list_head	link;
18 	struct module		*owner;
19 	const char		*name;
20 
21 	/* Attempt to parse a key from the data blob passed to add_key() or
22 	 * keyctl_instantiate().  Should also generate a proposed description
23 	 * that the caller can optionally use for the key.
24 	 *
25 	 * Return EBADMSG if not recognised.
26 	 */
27 	int (*parse)(struct key_preparsed_payload *prep);
28 };
29 
30 extern int register_asymmetric_key_parser(struct asymmetric_key_parser *);
31 extern void unregister_asymmetric_key_parser(struct asymmetric_key_parser *);
32 
33 #endif /* _KEYS_ASYMMETRIC_PARSER_H */
34