|  | /* Asymmetric public-key cryptography data parser | 
|  | * | 
|  | * See Documentation/crypto/asymmetric-keys.txt | 
|  | * | 
|  | * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. | 
|  | * Written by David Howells (dhowells@redhat.com) | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public Licence | 
|  | * as published by the Free Software Foundation; either version | 
|  | * 2 of the Licence, or (at your option) any later version. | 
|  | */ | 
|  |  | 
|  | #ifndef _KEYS_ASYMMETRIC_PARSER_H | 
|  | #define _KEYS_ASYMMETRIC_PARSER_H | 
|  |  | 
|  | /* | 
|  | * Key data parser.  Called during key instantiation. | 
|  | */ | 
|  | struct asymmetric_key_parser { | 
|  | struct list_head	link; | 
|  | struct module		*owner; | 
|  | const char		*name; | 
|  |  | 
|  | /* Attempt to parse a key from the data blob passed to add_key() or | 
|  | * keyctl_instantiate().  Should also generate a proposed description | 
|  | * that the caller can optionally use for the key. | 
|  | * | 
|  | * Return EBADMSG if not recognised. | 
|  | */ | 
|  | int (*parse)(struct key_preparsed_payload *prep); | 
|  | }; | 
|  |  | 
|  | extern int register_asymmetric_key_parser(struct asymmetric_key_parser *); | 
|  | extern void unregister_asymmetric_key_parser(struct asymmetric_key_parser *); | 
|  |  | 
|  | #endif /* _KEYS_ASYMMETRIC_PARSER_H */ |