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