aboutsummaryrefslogtreecommitdiff
path: root/drivers/crypto/padlock.c
diff options
context:
space:
mode:
authorDavid Woodhouse <dwmw2@infradead.org>2006-09-24 22:05:59 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2006-09-24 22:05:59 +0100
commit02b25fcff676125a88169c8a78d4c6dd647574ed (patch)
tree372fc8e885be41ba1819b2767c8889ecd97ff948 /drivers/crypto/padlock.c
parent1694176a210189312e31b083bac1e1688981219a (diff)
parenta68aa1cc6f3203b8a332683ebde67a00f39eec43 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/crypto/padlock.c')
-rw-r--r--drivers/crypto/padlock.c58
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");
+