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![David Howells](/assets/img/avatar_default.png)
Implement a big key type that can save its contents to tmpfs and thus swapspace when memory is tight. This is useful for Kerberos ticket caches. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Simo Sorce <simo@redhat.com>
25 lines
899 B
C
25 lines
899 B
C
/* Big capacity key type.
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*
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* Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _KEYS_BIG_KEY_TYPE_H
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#define _KEYS_BIG_KEY_TYPE_H
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#include <linux/key-type.h>
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extern struct key_type key_type_big_key;
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extern int big_key_instantiate(struct key *key, struct key_preparsed_payload *prep);
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extern void big_key_revoke(struct key *key);
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extern void big_key_destroy(struct key *key);
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extern void big_key_describe(const struct key *big_key, struct seq_file *m);
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extern long big_key_read(const struct key *key, char __user *buffer, size_t buflen);
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#endif /* _KEYS_BIG_KEY_TYPE_H */
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