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 | |