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authorSebastian Siewior <sebastian@breakpoint.cc>2007-11-30 00:15:11 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2008-01-11 08:16:24 +1100
commit06e1a8f0505426a97292174a959560fd86ea0a3d (patch)
tree4b002a28d57b35d655d74636b52924a20d4b686b /arch/x86/crypto/aes_glue.c
parent[CRYPTO] gcm: New algorithm (diff)
downloadlinux-dev-06e1a8f0505426a97292174a959560fd86ea0a3d.tar.xz
linux-dev-06e1a8f0505426a97292174a959560fd86ea0a3d.zip
[CRYPTO] aes-asm: Merge common glue code
32 bit and 64 bit glue code is using (now) the same piece code. This patch unifies them. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/aes_glue.c')
-rw-r--r--arch/x86/crypto/aes_glue.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/x86/crypto/aes_glue.c b/arch/x86/crypto/aes_glue.c
new file mode 100644
index 000000000000..71f457827116
--- /dev/null
+++ b/arch/x86/crypto/aes_glue.c
@@ -0,0 +1,57 @@
+/*
+ * Glue Code for the asm optimized version of the AES Cipher Algorithm
+ *
+ */
+
+#include <crypto/aes.h>
+
+asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ aes_enc_blk(tfm, dst, src);
+}
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ aes_dec_blk(tfm, dst, src);
+}
+
+static struct crypto_alg aes_alg = {
+ .cra_name = "aes",
+ .cra_driver_name = "aes-asm",
+ .cra_priority = 200,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypto_aes_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(aes_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = AES_MIN_KEY_SIZE,
+ .cia_max_keysize = AES_MAX_KEY_SIZE,
+ .cia_setkey = crypto_aes_set_key,
+ .cia_encrypt = aes_encrypt,
+ .cia_decrypt = aes_decrypt
+ }
+ }
+};
+
+static int __init aes_init(void)
+{
+ return crypto_register_alg(&aes_alg);
+}
+
+static void __exit aes_fini(void)
+{
+ crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("aes");
+MODULE_ALIAS("aes-asm");