diff options
| -rw-r--r-- | arch/x86/crypto/Makefile | 4 | ||||
| -rw-r--r-- | arch/x86/crypto/twofish_64.c | 97 | ||||
| -rw-r--r-- | arch/x86/crypto/twofish_glue.c (renamed from arch/x86/crypto/twofish_32.c) | 8 |
3 files changed, 6 insertions, 103 deletions
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile index 09200e12f14..3874c2de540 100644 --- a/arch/x86/crypto/Makefile +++ b/arch/x86/crypto/Makefile @@ -11,9 +11,9 @@ obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o obj-$(CONFIG_CRYPTO_SALSA20_X86_64) += salsa20-x86_64.o aes-i586-y := aes-i586-asm_32.o aes_glue.o -twofish-i586-y := twofish-i586-asm_32.o twofish_32.o +twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o salsa20-i586-y := salsa20-i586-asm_32.o salsa20_glue.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 +twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_glue.o salsa20-x86_64-y := salsa20-x86_64-asm_64.o salsa20_glue.o diff --git a/arch/x86/crypto/twofish_64.c b/arch/x86/crypto/twofish_64.c deleted file mode 100644 index 182d91d5cfb..00000000000 --- a/arch/x86/crypto/twofish_64.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Glue Code for optimized x86_64 assembler version of TWOFISH - * - * Originally Twofish for GPG - * By Matthew Skala <mskala@ansuz.sooke.bc.ca>, July 26, 1998 - * 256-bit key length added March 20, 1999 - * Some modifications to reduce the text size by Werner Koch, April, 1998 - * Ported to the kerneli patch by Marc Mutz <Marc@Mutz.com> - * Ported to CryptoAPI by Colin Slater <hoho@tacomeat.net> - * - * The original author has disclaimed all copyright interest in this - * code and thus put it in the public domain. The subsequent authors - * have put this under the GNU General Public License. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - * - * This code is a "clean room" implementation, written from the paper - * _Twofish: A 128-Bit Block Cipher_ by Bruce Schneier, John Kelsey, - * Doug Whiting, David Wagner, Chris Hall, and Niels Ferguson, available - * through http://www.counterpane.com/twofish.html - * - * For background information on multiplication in finite fields, used for - * the matrix operations in the key schedule, see the book _Contemporary - * Abstract Algebra_ by Joseph A. Gallian, especially chapter 22 in the - * Third Edition. - */ - -#include <crypto/twofish.h> -#include <linux/crypto.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> - -asmlinkage void twofish_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); -asmlinkage void twofish_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - -static void twofish_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - twofish_enc_blk(tfm, dst, src); -} - -static void twofish_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - twofish_dec_blk(tfm, dst, src); -} - -static struct crypto_alg alg = { - .cra_name = "twofish", - .cra_driver_name = "twofish-x86_64", - .cra_priority = 200, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = TF_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct twofish_ctx), - .cra_alignmask = 3, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = TF_MIN_KEY_SIZE, - .cia_max_keysize = TF_MAX_KEY_SIZE, - .cia_setkey = twofish_setkey, - .cia_encrypt = twofish_encrypt, - .cia_decrypt = twofish_decrypt - } - } -}; - -static int __init init(void) -{ - return crypto_register_alg(&alg); -} - -static void __exit fini(void) -{ - crypto_unregister_alg(&alg); -} - -module_init(init); -module_exit(fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION ("Twofish Cipher Algorithm, x86_64 asm optimized"); -MODULE_ALIAS("twofish"); diff --git a/arch/x86/crypto/twofish_32.c b/arch/x86/crypto/twofish_glue.c index e3004dfe9c7..cefaf8b9aa1 100644 --- a/arch/x86/crypto/twofish_32.c +++ b/arch/x86/crypto/twofish_glue.c @@ -1,5 +1,5 @@ /* - * Glue Code for optimized 586 assembler version of TWOFISH + * Glue Code for assembler optimized version of TWOFISH * * Originally Twofish for GPG * By Matthew Skala <mskala@ansuz.sooke.bc.ca>, July 26, 1998 @@ -44,7 +44,6 @@ #include <linux/module.h> #include <linux/types.h> - asmlinkage void twofish_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); asmlinkage void twofish_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src); @@ -60,7 +59,7 @@ static void twofish_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) static struct crypto_alg alg = { .cra_name = "twofish", - .cra_driver_name = "twofish-i586", + .cra_driver_name = "twofish-asm", .cra_priority = 200, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = TF_BLOCK_SIZE, @@ -93,5 +92,6 @@ module_init(init); module_exit(fini); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION ("Twofish Cipher Algorithm, i586 asm optimized"); +MODULE_DESCRIPTION ("Twofish Cipher Algorithm, asm optimized"); MODULE_ALIAS("twofish"); +MODULE_ALIAS("twofish-asm"); |