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-/*
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- * Glue Code for optimized x86_64 assembler version of TWOFISH
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- *
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- * Originally Twofish for GPG
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- * By Matthew Skala <mskala@ansuz.sooke.bc.ca>, July 26, 1998
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- * 256-bit key length added March 20, 1999
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- * Some modifications to reduce the text size by Werner Koch, April, 1998
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- * Ported to the kerneli patch by Marc Mutz <Marc@Mutz.com>
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- * Ported to CryptoAPI by Colin Slater <hoho@tacomeat.net>
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- *
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- * The original author has disclaimed all copyright interest in this
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- * code and thus put it in the public domain. The subsequent authors
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- * have put this under the GNU General Public License.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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- * USA
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- *
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- * This code is a "clean room" implementation, written from the paper
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- * _Twofish: A 128-Bit Block Cipher_ by Bruce Schneier, John Kelsey,
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- * Doug Whiting, David Wagner, Chris Hall, and Niels Ferguson, available
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- * through http://www.counterpane.com/twofish.html
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- *
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- * For background information on multiplication in finite fields, used for
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- * the matrix operations in the key schedule, see the book _Contemporary
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- * Abstract Algebra_ by Joseph A. Gallian, especially chapter 22 in the
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- * Third Edition.
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- */
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-
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-#include <crypto/twofish.h>
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-#include <linux/crypto.h>
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-#include <linux/init.h>
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-#include <linux/kernel.h>
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-#include <linux/module.h>
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-#include <linux/types.h>
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-
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-asmlinkage void twofish_enc_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
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-asmlinkage void twofish_dec_blk(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
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-
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-static void twofish_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
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-{
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- twofish_enc_blk(tfm, dst, src);
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-}
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-
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-static void twofish_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
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-{
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- twofish_dec_blk(tfm, dst, src);
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-}
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-
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-static struct crypto_alg alg = {
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- .cra_name = "twofish",
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- .cra_driver_name = "twofish-x86_64",
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- .cra_priority = 200,
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- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
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- .cra_blocksize = TF_BLOCK_SIZE,
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- .cra_ctxsize = sizeof(struct twofish_ctx),
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- .cra_alignmask = 3,
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- .cra_module = THIS_MODULE,
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- .cra_list = LIST_HEAD_INIT(alg.cra_list),
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- .cra_u = {
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- .cipher = {
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- .cia_min_keysize = TF_MIN_KEY_SIZE,
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- .cia_max_keysize = TF_MAX_KEY_SIZE,
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- .cia_setkey = twofish_setkey,
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- .cia_encrypt = twofish_encrypt,
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- .cia_decrypt = twofish_decrypt
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- }
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- }
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-};
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-
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-static int __init init(void)
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-{
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- return crypto_register_alg(&alg);
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-}
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-
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-static void __exit fini(void)
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-{
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- crypto_unregister_alg(&alg);
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-}
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-
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-module_init(init);
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-module_exit(fini);
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-
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-MODULE_LICENSE("GPL");
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-MODULE_DESCRIPTION ("Twofish Cipher Algorithm, x86_64 asm optimized");
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-MODULE_ALIAS("twofish");
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