blob: d6d7dd5bb98c1abfa12dcff5c3f80e3a4a206903 [file] [log] [blame]
Michal Ludvig5644bda2006-08-06 22:50:30 +10001/*
2 * Cryptographic API.
3 *
4 * Support for VIA PadLock hardware crypto engine.
5 *
6 * Copyright (c) 2006 Michal Ludvig <michal@logix.cz>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 */
14
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/errno.h>
18#include <linux/crypto.h>
19#include <linux/cryptohash.h>
20#include <linux/interrupt.h>
21#include <linux/kernel.h>
22#include <linux/scatterlist.h>
23#include "padlock.h"
24
25static int __init padlock_init(void)
26{
27 int success = 0;
28
Herbert Xue4d5b792006-08-26 18:12:40 +100029 if (crypto_has_cipher("aes-padlock", 0, 0))
Michal Ludvig5644bda2006-08-06 22:50:30 +100030 success++;
31
Herbert Xue4d5b792006-08-26 18:12:40 +100032 if (crypto_has_hash("sha1-padlock", 0, 0))
Michal Ludvig5644bda2006-08-06 22:50:30 +100033 success++;
34
Herbert Xue4d5b792006-08-26 18:12:40 +100035 if (crypto_has_hash("sha256-padlock", 0, 0))
Michal Ludvig5644bda2006-08-06 22:50:30 +100036 success++;
37
38 if (!success) {
39 printk(KERN_WARNING PFX "No VIA PadLock drivers have been loaded.\n");
40 return -ENODEV;
41 }
42
43 printk(KERN_NOTICE PFX "%d drivers are available.\n", success);
44
45 return 0;
46}
47
48static void __exit padlock_fini(void)
49{
50}
51
52module_init(padlock_init);
53module_exit(padlock_fini);
54
55MODULE_DESCRIPTION("Load all configured PadLock algorithms.");
56MODULE_LICENSE("GPL");
57MODULE_AUTHOR("Michal Ludvig");
58