i386: prepare shared crypto/twofish.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/i386/crypto/Makefile b/arch/i386/crypto/Makefile
index 3fd19af18e34265f9f937ddd7c5737a2adbd6617..57fcb333c9c1187b77af07e78de54f9358bb8107 100644 (file)
--- a/arch/i386/crypto/Makefile
+++ b/arch/i386/crypto/Makefile
@@ -8,5 +8,5 @@ obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
 obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
 
 aes-i586-y := aes-i586-asm.o aes.o
-twofish-i586-y := twofish-i586-asm.o twofish.o
+twofish-i586-y := twofish-i586-asm.o twofish_32.o
 

diff --git a/arch/i386/crypto/twofish.c b/arch/i386/crypto/twofish.c
deleted file mode 100644 (file)
index e3004df..0000000
--- a/arch/i386/crypto/twofish.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- *  Glue Code for optimized 586 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/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-i586",
-       .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, i586 asm optimized");
-MODULE_ALIAS("twofish");

diff --git a/arch/i386/crypto/twofish_32.c b/arch/i386/crypto/twofish_32.c
new file mode 100644 (file)
index 0000000..e3004df
--- /dev/null
+++ b/arch/i386/crypto/twofish_32.c
@@ -0,0 +1,97 @@
+/*
+ *  Glue Code for optimized 586 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/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-i586",
+       .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, i586 asm optimized");
+MODULE_ALIAS("twofish");