59 строки
1.3 KiB
C
59 строки
1.3 KiB
C
/*
|
|
* Cryptographic API.
|
|
*
|
|
* Support for VIA PadLock hardware crypto engine.
|
|
*
|
|
* Copyright (c) 2006 Michal Ludvig <michal@logix.cz>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/crypto.h>
|
|
#include <linux/cryptohash.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/scatterlist.h>
|
|
#include "padlock.h"
|
|
|
|
static int __init padlock_init(void)
|
|
{
|
|
int success = 0;
|
|
|
|
if (crypto_has_cipher("aes-padlock", 0, 0))
|
|
success++;
|
|
|
|
if (crypto_has_hash("sha1-padlock", 0, 0))
|
|
success++;
|
|
|
|
if (crypto_has_hash("sha256-padlock", 0, 0))
|
|
success++;
|
|
|
|
if (!success) {
|
|
printk(KERN_WARNING PFX "No VIA PadLock drivers have been loaded.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
printk(KERN_NOTICE PFX "%d drivers are available.\n", success);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit padlock_fini(void)
|
|
{
|
|
}
|
|
|
|
module_init(padlock_init);
|
|
module_exit(padlock_fini);
|
|
|
|
MODULE_DESCRIPTION("Load all configured PadLock algorithms.");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Michal Ludvig");
|
|
|