projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5644bda5 ML |
1 | /* |
| 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 | ||
| 25 | static int __init padlock_init(void) | |
| 26 | { | |
| 27 | int success = 0; | |
| 28 | ||
| e4d5b79c | 29 | if (crypto_has_cipher("aes-padlock", 0, 0)) |
| 5644bda5 ML |
30 | success++; |
| 31 | ||
| e4d5b79c | 32 | if (crypto_has_hash("sha1-padlock", 0, 0)) |
| 5644bda5 ML |
33 | success++; |
| 34 | ||
| e4d5b79c | 35 | if (crypto_has_hash("sha256-padlock", 0, 0)) |
| 5644bda5 ML |
36 | 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 | ||
| 48 | static void __exit padlock_fini(void) | |
| 49 | { | |
| 50 | } | |
| 51 | ||
| 52 | module_init(padlock_init); | |
| 53 | module_exit(padlock_fini); | |
| 54 | ||
| 55 | MODULE_DESCRIPTION("Load all configured PadLock algorithms."); | |
| 56 | MODULE_LICENSE("GPL"); | |
| 57 | MODULE_AUTHOR("Michal Ludvig"); | |
| 58 |