5644bda5d6
Compile a helper module padlock.ko that will try to autoload all configured padlock algorithms. This also provides backward compatibility with the ancient times before padlock.ko was renamed to padlock-aes.ko Signed-off-by: Michal Ludvig <michal@logix.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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* Cryptographic API.
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*
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* Support for VIA PadLock hardware crypto engine.
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*
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* Copyright (c) 2006 Michal Ludvig <michal@logix.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/crypto.h>
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#include <linux/cryptohash.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/scatterlist.h>
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#include "padlock.h"
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static int __init padlock_init(void)
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{
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int success = 0;
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if (crypto_alg_available("aes-padlock", 0))
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success++;
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if (crypto_alg_available("sha1-padlock", 0))
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success++;
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if (crypto_alg_available("sha256-padlock", 0))
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success++;
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if (!success) {
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printk(KERN_WARNING PFX "No VIA PadLock drivers have been loaded.\n");
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return -ENODEV;
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}
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printk(KERN_NOTICE PFX "%d drivers are available.\n", success);
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return 0;
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}
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static void __exit padlock_fini(void)
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{
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}
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module_init(padlock_init);
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module_exit(padlock_fini);
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MODULE_DESCRIPTION("Load all configured PadLock algorithms.");
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Michal Ludvig");
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