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Subject[PATCH v3 2/2] staging: skein: Adds Loadable Module Support
Adds loadable module support for the Skein Hashing Algorithm.

Signed-off-by: Eric Rost <eric.rost@mybabylon.net>
---
drivers/staging/skein/Kconfig | 2 +-
drivers/staging/skein/skein_generic.c | 19 ++++++++++++++++++-
2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/skein/Kconfig b/drivers/staging/skein/Kconfig
index de8bdd7..012a823 100644
--- a/drivers/staging/skein/Kconfig
+++ b/drivers/staging/skein/Kconfig
@@ -1,5 +1,5 @@
config CRYPTO_SKEIN
- bool "Skein digest algorithm"
+ tristate "Skein digest algorithm"
depends on (X86 || UML_X86) && 64BIT && CRYPTO
select CRYPTO_HASH
select CRYPTO_ALGAPI
diff --git a/drivers/staging/skein/skein_generic.c b/drivers/staging/skein/skein_generic.c
index 815f9a4..3c9c6d0 100644
--- a/drivers/staging/skein/skein_generic.c
+++ b/drivers/staging/skein/skein_generic.c
@@ -16,6 +16,7 @@
*/
#include <linux/types.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <crypto/internal/hash.h>
#include "skein_base.h"

@@ -142,6 +143,7 @@ static struct shash_alg alg256 = {
.cra_driver_name = "skein",
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SKEIN_256_BLOCK_BYTES,
+ .cra_module = THIS_MODULE,
}
};

@@ -159,6 +161,7 @@ static struct shash_alg alg512 = {
.cra_driver_name = "skein",
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SKEIN_512_BLOCK_BYTES,
+ .cra_module = THIS_MODULE,
}
};

@@ -176,6 +179,7 @@ static struct shash_alg alg1024 = {
.cra_driver_name = "skein",
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SKEIN_1024_BLOCK_BYTES,
+ .cra_module = THIS_MODULE,
}
};

@@ -191,4 +195,17 @@ static int __init skein_generic_init(void)
return 0;
}

-device_initcall(skein_generic_init);
+static void __exit skein_generic_fini(void)
+{
+ crypto_unregister_shash(&alg256);
+ crypto_unregister_shash(&alg512);
+ crypto_unregister_shash(&alg1024);
+}
+
+module_init(skein_generic_init);
+module_exit(skein_generic_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Skein Hash Algorithm");
+
+MODULE_ALIAS("skein");
--
2.1.1


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