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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 ([email protected])
8 */
9
10#ifndef _KEYS_ASYMMETRIC_PARSER_H
11#define _KEYS_ASYMMETRIC_PARSER_H
12
13struct key_preparsed_payload;
14
15/*
16 * Key data parser. Called during key instantiation.
17 */
18struct 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
32extern int register_asymmetric_key_parser(struct asymmetric_key_parser *);
33extern void unregister_asymmetric_key_parser(struct asymmetric_key_parser *);
34
35#endif /* _KEYS_ASYMMETRIC_PARSER_H */