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Name	Size	Permission	Date
asymmetric-parser.h	1.16 KB	-rw-r--r--	2016-01-11 00:01
asymmetric-subtype.h	1.57 KB	-rw-r--r--	2016-01-11 00:01
asymmetric-type.h	2.46 KB	-rw-r--r--	2016-01-11 00:01
big_key-type.h	950 B	-rw-r--r--	2016-01-11 00:01
ceph-type.h	123 B	-rw-r--r--	2016-01-11 00:01
dns_resolver-type.h	689 B	-rw-r--r--	2016-01-11 00:01
encrypted-type.h	1.25 KB	-rw-r--r--	2016-01-11 00:01
keyring-type.h	544 B	-rw-r--r--	2016-01-11 00:01
rxrpc-type.h	4.04 KB	-rw-r--r--	2016-01-11 00:01
system_keyring.h	1.57 KB	-rw-r--r--	2021-04-16 11:57
trusted-type.h	1.17 KB	-rw-r--r--	2021-04-16 11:57
user-type.h	1.96 KB	-rw-r--r--	2021-04-16 11:57

Rename

/* Asymmetric public-key cryptography key subtype
 *
 * See Documentation/security/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_SUBTYPE_H
#define _KEYS_ASYMMETRIC_SUBTYPE_H

#include <linux/seq_file.h>
#include <keys/asymmetric-type.h>

struct public_key_signature;

/*
 * Keys of this type declare a subtype that indicates the handlers and
 * capabilities.
 */
struct asymmetric_key_subtype {
	struct module		*owner;
	const char		*name;
	unsigned short		name_len;	/* length of name */

/* Describe a key of this subtype for /proc/keys */
	void (*describe)(const struct key *key, struct seq_file *m);

/* Destroy a key of this subtype */
	void (*destroy)(void *payload);

/* Verify the signature on a key of this subtype (optional) */
	int (*verify_signature)(const struct key *key,
				const struct public_key_signature *sig);
};

/**
 * asymmetric_key_subtype - Get the subtype from an asymmetric key
 * @key: The key of interest.
 *
 * Retrieves and returns the subtype pointer of the asymmetric key from the
 * type-specific data attached to the key.
 */
static inline
struct asymmetric_key_subtype *asymmetric_key_subtype(const struct key *key)
{
	return key->payload.data[asym_subtype];
}

#endif /* _KEYS_ASYMMETRIC_SUBTYPE_H */