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[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>
This commit is contained in:
Sebastian Siewior 2007-11-30 00:15:11 +11:00 committed by Herbert Xu
parent 28db8e3e38
commit 06e1a8f050
3 changed files with 20 additions and 77 deletions
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4
arch/x86/crypto/Makefile
View File

@ -8,8 +8,8 @@ obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
aes-i586-y := aes-i586-asm_32.o aes_32.o
aes-i586-y := aes-i586-asm_32.o aes_glue.o
twofish-i586-y := twofish-i586-asm_32.o twofish_32.o
aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o
twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o

58
arch/x86/crypto/aes_32.c
View File

@ -1,58 +0,0 @@
/*
* Glue Code for optimized 586 assembler version of AES
*/
#include <crypto/aes.h>
#include <linux/module.h>
#include <linux/crypto.h>
asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
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-i586",
.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, i586 asm optimized");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Fruhwirth Clemens, James Morris, Brian Gladman, Adam Richter");
MODULE_ALIAS("aes");

35
arch/x86/crypto/aes_64.c → arch/x86/crypto/aes_glue.c
View File

@ -1,5 +1,5 @@
/*
* Glue Code for AES Cipher Algorithm
* Glue Code for the asm optimized version of the AES Cipher Algorithm
*
*/
@ -19,21 +19,21 @@ static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
}
static struct crypto_alg aes_alg = {
.cra_name = "aes",
.cra_driver_name = "aes-x86_64",
.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
.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
}
}
};
@ -51,6 +51,7 @@ static void __exit aes_fini(void)
module_init(aes_init);
module_exit(aes_fini);
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
MODULE_LICENSE("GPL");
MODULE_ALIAS("aes");
MODULE_ALIAS("aes-asm");