diff options
Diffstat (limited to 'drivers/crypto/padlock.c')
| -rw-r--r-- | drivers/crypto/padlock.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/crypto/padlock.c b/drivers/crypto/padlock.c new file mode 100644 index 00000000000..d6d7dd5bb98 --- /dev/null +++ b/drivers/crypto/padlock.c @@ -0,0 +1,58 @@ +/* + * 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"); + |