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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 11:17:03 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 11:17:03 +0200
commit987c75d7170686804b404b7f917b9e4b703702ff (patch)
tree6c2d871f0cf29afa027ef2fed7aca1c6ed68200a /arch/x86_64
parent9a163ed8e0552fdcffe405d2ea7134819a81456e (diff)
downloadlinux-linaro-stable-987c75d7170686804b404b7f917b9e4b703702ff.tar.gz
x86_64: move crypto
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/Makefile2
-rw-r--r--arch/x86_64/crypto/Makefile5
-rw-r--r--arch/x86_64/crypto/Makefile_6412
-rw-r--r--arch/x86_64/crypto/aes-x86_64-asm_64.S190
-rw-r--r--arch/x86_64/crypto/aes_64.c336
-rw-r--r--arch/x86_64/crypto/twofish-x86_64-asm_64.S324
-rw-r--r--arch/x86_64/crypto/twofish_64.c97
7 files changed, 1 insertions, 965 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 0416dd2f2dbc..265484c17234 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -76,7 +76,7 @@ head-y := arch/x86_64/kernel/head_64.o arch/x86_64/kernel/head64.o arch/x86_64/k
libs-y += arch/x86_64/lib/
core-y += arch/x86_64/kernel/ \
arch/x86_64/mm/ \
- arch/x86_64/crypto/ \
+ arch/x86/crypto/ \
arch/x86_64/vdso/
core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/
drivers-$(CONFIG_PCI) += arch/x86_64/pci/
diff --git a/arch/x86_64/crypto/Makefile b/arch/x86_64/crypto/Makefile
deleted file mode 100644
index b1bcf7c63028..000000000000
--- a/arch/x86_64/crypto/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/crypto/Makefile_32
-else
-include ${srctree}/arch/x86_64/crypto/Makefile_64
-endif
diff --git a/arch/x86_64/crypto/Makefile_64 b/arch/x86_64/crypto/Makefile_64
deleted file mode 100644
index c96faeb842c8..000000000000
--- a/arch/x86_64/crypto/Makefile_64
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# x86_64/crypto/Makefile
-#
-# Arch-specific CryptoAPI modules.
-#
-
-obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
-obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
-
-aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
-twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o
-
diff --git a/arch/x86_64/crypto/aes-x86_64-asm_64.S b/arch/x86_64/crypto/aes-x86_64-asm_64.S
deleted file mode 100644
index 26b40de4d0b0..000000000000
--- a/arch/x86_64/crypto/aes-x86_64-asm_64.S
+++ /dev/null
@@ -1,190 +0,0 @@
-/* AES (Rijndael) implementation (FIPS PUB 197) for x86_64
- *
- * Copyright (C) 2005 Andreas Steinmetz, <ast@domdv.de>
- *
- * License:
- * This code can be distributed under the terms of the GNU General Public
- * License (GPL) Version 2 provided that the above header down to and
- * including this sentence is retained in full.
- */
-
-.extern aes_ft_tab
-.extern aes_it_tab
-.extern aes_fl_tab
-.extern aes_il_tab
-
-.text
-
-#include <asm/asm-offsets.h>
-
-#define BASE crypto_tfm_ctx_offset
-
-#define R1 %rax
-#define R1E %eax
-#define R1X %ax
-#define R1H %ah
-#define R1L %al
-#define R2 %rbx
-#define R2E %ebx
-#define R2X %bx
-#define R2H %bh
-#define R2L %bl
-#define R3 %rcx
-#define R3E %ecx
-#define R3X %cx
-#define R3H %ch
-#define R3L %cl
-#define R4 %rdx
-#define R4E %edx
-#define R4X %dx
-#define R4H %dh
-#define R4L %dl
-#define R5 %rsi
-#define R5E %esi
-#define R6 %rdi
-#define R6E %edi
-#define R7 %rbp
-#define R7E %ebp
-#define R8 %r8
-#define R9 %r9
-#define R10 %r10
-#define R11 %r11
-
-#define prologue(FUNC,KEY,B128,B192,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11) \
- .global FUNC; \
- .type FUNC,@function; \
- .align 8; \
-FUNC: movq r1,r2; \
- movq r3,r4; \
- leaq BASE+KEY+52(r8),r9; \
- movq r10,r11; \
- movl (r7),r5 ## E; \
- movl 4(r7),r1 ## E; \
- movl 8(r7),r6 ## E; \
- movl 12(r7),r7 ## E; \
- movl BASE(r8),r10 ## E; \
- xorl -48(r9),r5 ## E; \
- xorl -44(r9),r1 ## E; \
- xorl -40(r9),r6 ## E; \
- xorl -36(r9),r7 ## E; \
- cmpl $24,r10 ## E; \
- jb B128; \
- leaq 32(r9),r9; \
- je B192; \
- leaq 32(r9),r9;
-
-#define epilogue(r1,r2,r3,r4,r5,r6,r7,r8,r9) \
- movq r1,r2; \
- movq r3,r4; \
- movl r5 ## E,(r9); \
- movl r6 ## E,4(r9); \
- movl r7 ## E,8(r9); \
- movl r8 ## E,12(r9); \
- ret;
-
-#define round(TAB,OFFSET,r1,r2,r3,r4,r5,r6,r7,r8,ra,rb,rc,rd) \
- movzbl r2 ## H,r5 ## E; \
- movzbl r2 ## L,r6 ## E; \
- movl TAB+1024(,r5,4),r5 ## E;\
- movw r4 ## X,r2 ## X; \
- movl TAB(,r6,4),r6 ## E; \
- roll $16,r2 ## E; \
- shrl $16,r4 ## E; \
- movzbl r4 ## H,r7 ## E; \
- movzbl r4 ## L,r4 ## E; \
- xorl OFFSET(r8),ra ## E; \
- xorl OFFSET+4(r8),rb ## E; \
- xorl TAB+3072(,r7,4),r5 ## E;\
- xorl TAB+2048(,r4,4),r6 ## E;\
- movzbl r1 ## L,r7 ## E; \
- movzbl r1 ## H,r4 ## E; \
- movl TAB+1024(,r4,4),r4 ## E;\
- movw r3 ## X,r1 ## X; \
- roll $16,r1 ## E; \
- shrl $16,r3 ## E; \
- xorl TAB(,r7,4),r5 ## E; \
- movzbl r3 ## H,r7 ## E; \
- movzbl r3 ## L,r3 ## E; \
- xorl TAB+3072(,r7,4),r4 ## E;\
- xorl TAB+2048(,r3,4),r5 ## E;\
- movzbl r1 ## H,r7 ## E; \
- movzbl r1 ## L,r3 ## E; \
- shrl $16,r1 ## E; \
- xorl TAB+3072(,r7,4),r6 ## E;\
- movl TAB+2048(,r3,4),r3 ## E;\
- movzbl r1 ## H,r7 ## E; \
- movzbl r1 ## L,r1 ## E; \
- xorl TAB+1024(,r7,4),r6 ## E;\
- xorl TAB(,r1,4),r3 ## E; \
- movzbl r2 ## H,r1 ## E; \
- movzbl r2 ## L,r7 ## E; \
- shrl $16,r2 ## E; \
- xorl TAB+3072(,r1,4),r3 ## E;\
- xorl TAB+2048(,r7,4),r4 ## E;\
- movzbl r2 ## H,r1 ## E; \
- movzbl r2 ## L,r2 ## E; \
- xorl OFFSET+8(r8),rc ## E; \
- xorl OFFSET+12(r8),rd ## E; \
- xorl TAB+1024(,r1,4),r3 ## E;\
- xorl TAB(,r2,4),r4 ## E;
-
-#define move_regs(r1,r2,r3,r4) \
- movl r3 ## E,r1 ## E; \
- movl r4 ## E,r2 ## E;
-
-#define entry(FUNC,KEY,B128,B192) \
- prologue(FUNC,KEY,B128,B192,R2,R8,R7,R9,R1,R3,R4,R6,R10,R5,R11)
-
-#define return epilogue(R8,R2,R9,R7,R5,R6,R3,R4,R11)
-
-#define encrypt_round(TAB,OFFSET) \
- round(TAB,OFFSET,R1,R2,R3,R4,R5,R6,R7,R10,R5,R6,R3,R4) \
- move_regs(R1,R2,R5,R6)
-
-#define encrypt_final(TAB,OFFSET) \
- round(TAB,OFFSET,R1,R2,R3,R4,R5,R6,R7,R10,R5,R6,R3,R4)
-
-#define decrypt_round(TAB,OFFSET) \
- round(TAB,OFFSET,R2,R1,R4,R3,R6,R5,R7,R10,R5,R6,R3,R4) \
- move_regs(R1,R2,R5,R6)
-
-#define decrypt_final(TAB,OFFSET) \
- round(TAB,OFFSET,R2,R1,R4,R3,R6,R5,R7,R10,R5,R6,R3,R4)
-
-/* void aes_enc_blk(stuct crypto_tfm *tfm, u8 *out, const u8 *in) */
-
- entry(aes_enc_blk,0,enc128,enc192)
- encrypt_round(aes_ft_tab,-96)
- encrypt_round(aes_ft_tab,-80)
-enc192: encrypt_round(aes_ft_tab,-64)
- encrypt_round(aes_ft_tab,-48)
-enc128: encrypt_round(aes_ft_tab,-32)
- encrypt_round(aes_ft_tab,-16)
- encrypt_round(aes_ft_tab, 0)
- encrypt_round(aes_ft_tab, 16)
- encrypt_round(aes_ft_tab, 32)
- encrypt_round(aes_ft_tab, 48)
- encrypt_round(aes_ft_tab, 64)
- encrypt_round(aes_ft_tab, 80)
- encrypt_round(aes_ft_tab, 96)
- encrypt_final(aes_fl_tab,112)
- return
-
-/* void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in) */
-
- entry(aes_dec_blk,240,dec128,dec192)
- decrypt_round(aes_it_tab,-96)
- decrypt_round(aes_it_tab,-80)
-dec192: decrypt_round(aes_it_tab,-64)
- decrypt_round(aes_it_tab,-48)
-dec128: decrypt_round(aes_it_tab,-32)
- decrypt_round(aes_it_tab,-16)
- decrypt_round(aes_it_tab, 0)
- decrypt_round(aes_it_tab, 16)
- decrypt_round(aes_it_tab, 32)
- decrypt_round(aes_it_tab, 48)
- decrypt_round(aes_it_tab, 64)
- decrypt_round(aes_it_tab, 80)
- decrypt_round(aes_it_tab, 96)
- decrypt_final(aes_il_tab,112)
- return
diff --git a/arch/x86_64/crypto/aes_64.c b/arch/x86_64/crypto/aes_64.c
deleted file mode 100644
index 5cdb13ea5cc2..000000000000
--- a/arch/x86_64/crypto/aes_64.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Cryptographic API.
- *
- * AES Cipher Algorithm.
- *
- * Based on Brian Gladman's code.
- *
- * Linux developers:
- * Alexander Kjeldaas <astor@fast.no>
- * Herbert Valerio Riedel <hvr@hvrlab.org>
- * Kyle McMartin <kyle@debian.org>
- * Adam J. Richter <adam@yggdrasil.com> (conversion to 2.5 API).
- * Andreas Steinmetz <ast@domdv.de> (adapted to x86_64 assembler)
- *
- * 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.
- *
- * ---------------------------------------------------------------------------
- * Copyright (c) 2002, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
- * All rights reserved.
- *
- * LICENSE TERMS
- *
- * The free distribution and use of this software in both source and binary
- * form is allowed (with or without changes) provided that:
- *
- * 1. distributions of this source code include the above copyright
- * notice, this list of conditions and the following disclaimer;
- *
- * 2. distributions in binary form include the above copyright
- * notice, this list of conditions and the following disclaimer
- * in the documentation and/or other associated materials;
- *
- * 3. the copyright holder's name is not used to endorse products
- * built using this software without specific written permission.
- *
- * ALTERNATIVELY, provided that this notice is retained in full, this product
- * may be distributed under the terms of the GNU General Public License (GPL),
- * in which case the provisions of the GPL apply INSTEAD OF those given above.
- *
- * DISCLAIMER
- *
- * This software is provided 'as is' with no explicit or implied warranties
- * in respect of its properties, including, but not limited to, correctness
- * and/or fitness for purpose.
- * ---------------------------------------------------------------------------
- */
-
-/* Some changes from the Gladman version:
- s/RIJNDAEL(e_key)/E_KEY/g
- s/RIJNDAEL(d_key)/D_KEY/g
-*/
-
-#include <asm/byteorder.h>
-#include <linux/bitops.h>
-#include <linux/crypto.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-
-#define AES_MIN_KEY_SIZE 16
-#define AES_MAX_KEY_SIZE 32
-
-#define AES_BLOCK_SIZE 16
-
-/*
- * #define byte(x, nr) ((unsigned char)((x) >> (nr*8)))
- */
-static inline u8 byte(const u32 x, const unsigned n)
-{
- return x >> (n << 3);
-}
-
-struct aes_ctx
-{
- u32 key_length;
- u32 buf[120];
-};
-
-#define E_KEY (&ctx->buf[0])
-#define D_KEY (&ctx->buf[60])
-
-static u8 pow_tab[256] __initdata;
-static u8 log_tab[256] __initdata;
-static u8 sbx_tab[256] __initdata;
-static u8 isb_tab[256] __initdata;
-static u32 rco_tab[10];
-u32 aes_ft_tab[4][256];
-u32 aes_it_tab[4][256];
-
-u32 aes_fl_tab[4][256];
-u32 aes_il_tab[4][256];
-
-static inline u8 f_mult(u8 a, u8 b)
-{
- u8 aa = log_tab[a], cc = aa + log_tab[b];
-
- return pow_tab[cc + (cc < aa ? 1 : 0)];
-}
-
-#define ff_mult(a, b) (a && b ? f_mult(a, b) : 0)
-
-#define ls_box(x) \
- (aes_fl_tab[0][byte(x, 0)] ^ \
- aes_fl_tab[1][byte(x, 1)] ^ \
- aes_fl_tab[2][byte(x, 2)] ^ \
- aes_fl_tab[3][byte(x, 3)])
-
-static void __init gen_tabs(void)
-{
- u32 i, t;
- u8 p, q;
-
- /* log and power tables for GF(2**8) finite field with
- 0x011b as modular polynomial - the simplest primitive
- root is 0x03, used here to generate the tables */
-
- for (i = 0, p = 1; i < 256; ++i) {
- pow_tab[i] = (u8)p;
- log_tab[p] = (u8)i;
-
- p ^= (p << 1) ^ (p & 0x80 ? 0x01b : 0);
- }
-
- log_tab[1] = 0;
-
- for (i = 0, p = 1; i < 10; ++i) {
- rco_tab[i] = p;
-
- p = (p << 1) ^ (p & 0x80 ? 0x01b : 0);
- }
-
- for (i = 0; i < 256; ++i) {
- p = (i ? pow_tab[255 - log_tab[i]] : 0);
- q = ((p >> 7) | (p << 1)) ^ ((p >> 6) | (p << 2));
- p ^= 0x63 ^ q ^ ((q >> 6) | (q << 2));
- sbx_tab[i] = p;
- isb_tab[p] = (u8)i;
- }
-
- for (i = 0; i < 256; ++i) {
- p = sbx_tab[i];
-
- t = p;
- aes_fl_tab[0][i] = t;
- aes_fl_tab[1][i] = rol32(t, 8);
- aes_fl_tab[2][i] = rol32(t, 16);
- aes_fl_tab[3][i] = rol32(t, 24);
-
- t = ((u32)ff_mult(2, p)) |
- ((u32)p << 8) |
- ((u32)p << 16) | ((u32)ff_mult(3, p) << 24);
-
- aes_ft_tab[0][i] = t;
- aes_ft_tab[1][i] = rol32(t, 8);
- aes_ft_tab[2][i] = rol32(t, 16);
- aes_ft_tab[3][i] = rol32(t, 24);
-
- p = isb_tab[i];
-
- t = p;
- aes_il_tab[0][i] = t;
- aes_il_tab[1][i] = rol32(t, 8);
- aes_il_tab[2][i] = rol32(t, 16);
- aes_il_tab[3][i] = rol32(t, 24);
-
- t = ((u32)ff_mult(14, p)) |
- ((u32)ff_mult(9, p) << 8) |
- ((u32)ff_mult(13, p) << 16) |
- ((u32)ff_mult(11, p) << 24);
-
- aes_it_tab[0][i] = t;
- aes_it_tab[1][i] = rol32(t, 8);
- aes_it_tab[2][i] = rol32(t, 16);
- aes_it_tab[3][i] = rol32(t, 24);
- }
-}
-
-#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
-
-#define imix_col(y, x) \
- u = star_x(x); \
- v = star_x(u); \
- w = star_x(v); \
- t = w ^ (x); \
- (y) = u ^ v ^ w; \
- (y) ^= ror32(u ^ t, 8) ^ \
- ror32(v ^ t, 16) ^ \
- ror32(t, 24)
-
-/* initialise the key schedule from the user supplied key */
-
-#define loop4(i) \
-{ \
- t = ror32(t, 8); t = ls_box(t) ^ rco_tab[i]; \
- t ^= E_KEY[4 * i]; E_KEY[4 * i + 4] = t; \
- t ^= E_KEY[4 * i + 1]; E_KEY[4 * i + 5] = t; \
- t ^= E_KEY[4 * i + 2]; E_KEY[4 * i + 6] = t; \
- t ^= E_KEY[4 * i + 3]; E_KEY[4 * i + 7] = t; \
-}
-
-#define loop6(i) \
-{ \
- t = ror32(t, 8); t = ls_box(t) ^ rco_tab[i]; \
- t ^= E_KEY[6 * i]; E_KEY[6 * i + 6] = t; \
- t ^= E_KEY[6 * i + 1]; E_KEY[6 * i + 7] = t; \
- t ^= E_KEY[6 * i + 2]; E_KEY[6 * i + 8] = t; \
- t ^= E_KEY[6 * i + 3]; E_KEY[6 * i + 9] = t; \
- t ^= E_KEY[6 * i + 4]; E_KEY[6 * i + 10] = t; \
- t ^= E_KEY[6 * i + 5]; E_KEY[6 * i + 11] = t; \
-}
-
-#define loop8(i) \
-{ \
- t = ror32(t, 8); ; t = ls_box(t) ^ rco_tab[i]; \
- t ^= E_KEY[8 * i]; E_KEY[8 * i + 8] = t; \
- t ^= E_KEY[8 * i + 1]; E_KEY[8 * i + 9] = t; \
- t ^= E_KEY[8 * i + 2]; E_KEY[8 * i + 10] = t; \
- t ^= E_KEY[8 * i + 3]; E_KEY[8 * i + 11] = t; \
- t = E_KEY[8 * i + 4] ^ ls_box(t); \
- E_KEY[8 * i + 12] = t; \
- t ^= E_KEY[8 * i + 5]; E_KEY[8 * i + 13] = t; \
- t ^= E_KEY[8 * i + 6]; E_KEY[8 * i + 14] = t; \
- t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \
-}
-
-static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
- unsigned int key_len)
-{
- struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
- const __le32 *key = (const __le32 *)in_key;
- u32 *flags = &tfm->crt_flags;
- u32 i, j, t, u, v, w;
-
- if (key_len % 8) {
- *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
- return -EINVAL;
- }
-
- ctx->key_length = key_len;
-
- D_KEY[key_len + 24] = E_KEY[0] = le32_to_cpu(key[0]);
- D_KEY[key_len + 25] = E_KEY[1] = le32_to_cpu(key[1]);
- D_KEY[key_len + 26] = E_KEY[2] = le32_to_cpu(key[2]);
- D_KEY[key_len + 27] = E_KEY[3] = le32_to_cpu(key[3]);
-
- switch (key_len) {
- case 16:
- t = E_KEY[3];
- for (i = 0; i < 10; ++i)
- loop4(i);
- break;
-
- case 24:
- E_KEY[4] = le32_to_cpu(key[4]);
- t = E_KEY[5] = le32_to_cpu(key[5]);
- for (i = 0; i < 8; ++i)
- loop6 (i);
- break;
-
- case 32:
- E_KEY[4] = le32_to_cpu(key[4]);
- E_KEY[5] = le32_to_cpu(key[5]);
- E_KEY[6] = le32_to_cpu(key[6]);
- t = E_KEY[7] = le32_to_cpu(key[7]);
- for (i = 0; i < 7; ++i)
- loop8(i);
- break;
- }
-
- D_KEY[0] = E_KEY[key_len + 24];
- D_KEY[1] = E_KEY[key_len + 25];
- D_KEY[2] = E_KEY[key_len + 26];
- D_KEY[3] = E_KEY[key_len + 27];
-
- for (i = 4; i < key_len + 24; ++i) {
- j = key_len + 24 - (i & ~3) + (i & 3);
- imix_col(D_KEY[j], E_KEY[i]);
- }
-
- return 0;
-}
-
-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-x86_64",
- .cra_priority = 200,
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct 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 = aes_set_key,
- .cia_encrypt = aes_encrypt,
- .cia_decrypt = aes_decrypt
- }
- }
-};
-
-static int __init aes_init(void)
-{
- gen_tabs();
- 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");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("aes");
diff --git a/arch/x86_64/crypto/twofish-x86_64-asm_64.S b/arch/x86_64/crypto/twofish-x86_64-asm_64.S
deleted file mode 100644
index 35974a586615..000000000000
--- a/arch/x86_64/crypto/twofish-x86_64-asm_64.S
+++ /dev/null
@@ -1,324 +0,0 @@
-/***************************************************************************
-* Copyright (C) 2006 by Joachim Fritschi, <jfritschi@freenet.de> *
-* *
-* 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. *
-***************************************************************************/
-
-.file "twofish-x86_64-asm.S"
-.text
-
-#include <asm/asm-offsets.h>
-
-#define a_offset 0
-#define b_offset 4
-#define c_offset 8
-#define d_offset 12
-
-/* Structure of the crypto context struct*/
-
-#define s0 0 /* S0 Array 256 Words each */
-#define s1 1024 /* S1 Array */
-#define s2 2048 /* S2 Array */
-#define s3 3072 /* S3 Array */
-#define w 4096 /* 8 whitening keys (word) */
-#define k 4128 /* key 1-32 ( word ) */
-
-/* define a few register aliases to allow macro substitution */
-
-#define R0 %rax
-#define R0D %eax
-#define R0B %al
-#define R0H %ah
-
-#define R1 %rbx
-#define R1D %ebx
-#define R1B %bl
-#define R1H %bh
-
-#define R2 %rcx
-#define R2D %ecx
-#define R2B %cl
-#define R2H %ch
-
-#define R3 %rdx
-#define R3D %edx
-#define R3B %dl
-#define R3H %dh
-
-
-/* performs input whitening */
-#define input_whitening(src,context,offset)\
- xor w+offset(context), src;
-
-/* performs input whitening */
-#define output_whitening(src,context,offset)\
- xor w+16+offset(context), src;
-
-
-/*
- * a input register containing a (rotated 16)
- * b input register containing b
- * c input register containing c
- * d input register containing d (already rol $1)
- * operations on a and b are interleaved to increase performance
- */
-#define encrypt_round(a,b,c,d,round)\
- movzx b ## B, %edi;\
- mov s1(%r11,%rdi,4),%r8d;\
- movzx a ## B, %edi;\
- mov s2(%r11,%rdi,4),%r9d;\
- movzx b ## H, %edi;\
- ror $16, b ## D;\
- xor s2(%r11,%rdi,4),%r8d;\
- movzx a ## H, %edi;\
- ror $16, a ## D;\
- xor s3(%r11,%rdi,4),%r9d;\
- movzx b ## B, %edi;\
- xor s3(%r11,%rdi,4),%r8d;\
- movzx a ## B, %edi;\
- xor (%r11,%rdi,4), %r9d;\
- movzx b ## H, %edi;\
- ror $15, b ## D;\
- xor (%r11,%rdi,4), %r8d;\
- movzx a ## H, %edi;\
- xor s1(%r11,%rdi,4),%r9d;\
- add %r8d, %r9d;\
- add %r9d, %r8d;\
- add k+round(%r11), %r9d;\
- xor %r9d, c ## D;\
- rol $15, c ## D;\
- add k+4+round(%r11),%r8d;\
- xor %r8d, d ## D;
-
-/*
- * a input register containing a(rotated 16)
- * b input register containing b
- * c input register containing c
- * d input register containing d (already rol $1)
- * operations on a and b are interleaved to increase performance
- * during the round a and b are prepared for the output whitening
- */
-#define encrypt_last_round(a,b,c,d,round)\
- mov b ## D, %r10d;\
- shl $32, %r10;\
- movzx b ## B, %edi;\
- mov s1(%r11,%rdi,4),%r8d;\
- movzx a ## B, %edi;\
- mov s2(%r11,%rdi,4),%r9d;\
- movzx b ## H, %edi;\
- ror $16, b ## D;\
- xor s2(%r11,%rdi,4),%r8d;\
- movzx a ## H, %edi;\
- ror $16, a ## D;\
- xor s3(%r11,%rdi,4),%r9d;\
- movzx b ## B, %edi;\
- xor s3(%r11,%rdi,4),%r8d;\
- movzx a ## B, %edi;\
- xor (%r11,%rdi,4), %r9d;\
- xor a, %r10;\
- movzx b ## H, %edi;\
- xor (%r11,%rdi,4), %r8d;\
- movzx a ## H, %edi;\
- xor s1(%r11,%rdi,4),%r9d;\
- add %r8d, %r9d;\
- add %r9d, %r8d;\
- add k+round(%r11), %r9d;\
- xor %r9d, c ## D;\
- ror $1, c ## D;\
- add k+4+round(%r11),%r8d;\
- xor %r8d, d ## D
-
-/*
- * a input register containing a
- * b input register containing b (rotated 16)
- * c input register containing c (already rol $1)
- * d input register containing d
- * operations on a and b are interleaved to increase performance
- */
-#define decrypt_round(a,b,c,d,round)\
- movzx a ## B, %edi;\
- mov (%r11,%rdi,4), %r9d;\
- movzx b ## B, %edi;\
- mov s3(%r11,%rdi,4),%r8d;\
- movzx a ## H, %edi;\
- ror $16, a ## D;\
- xor s1(%r11,%rdi,4),%r9d;\
- movzx b ## H, %edi;\
- ror $16, b ## D;\
- xor (%r11,%rdi,4), %r8d;\
- movzx a ## B, %edi;\
- xor s2(%r11,%rdi,4),%r9d;\
- movzx b ## B, %edi;\
- xor s1(%r11,%rdi,4),%r8d;\
- movzx a ## H, %edi;\
- ror $15, a ## D;\
- xor s3(%r11,%rdi,4),%r9d;\
- movzx b ## H, %edi;\
- xor s2(%r11,%rdi,4),%r8d;\
- add %r8d, %r9d;\
- add %r9d, %r8d;\
- add k+round(%r11), %r9d;\
- xor %r9d, c ## D;\
- add k+4+round(%r11),%r8d;\
- xor %r8d, d ## D;\
- rol $15, d ## D;
-
-/*
- * a input register containing a
- * b input register containing b
- * c input register containing c (already rol $1)
- * d input register containing d
- * operations on a and b are interleaved to increase performance
- * during the round a and b are prepared for the output whitening
- */
-#define decrypt_last_round(a,b,c,d,round)\
- movzx a ## B, %edi;\
- mov (%r11,%rdi,4), %r9d;\
- movzx b ## B, %edi;\
- mov s3(%r11,%rdi,4),%r8d;\
- movzx b ## H, %edi;\
- ror $16, b ## D;\
- xor (%r11,%rdi,4), %r8d;\
- movzx a ## H, %edi;\
- mov b ## D, %r10d;\
- shl $32, %r10;\
- xor a, %r10;\
- ror $16, a ## D;\
- xor s1(%r11,%rdi,4),%r9d;\
- movzx b ## B, %edi;\
- xor s1(%r11,%rdi,4),%r8d;\
- movzx a ## B, %edi;\
- xor s2(%r11,%rdi,4),%r9d;\
- movzx b ## H, %edi;\
- xor s2(%r11,%rdi,4),%r8d;\
- movzx a ## H, %edi;\
- xor s3(%r11,%rdi,4),%r9d;\
- add %r8d, %r9d;\
- add %r9d, %r8d;\
- add k+round(%r11), %r9d;\
- xor %r9d, c ## D;\
- add k+4+round(%r11),%r8d;\
- xor %r8d, d ## D;\
- ror $1, d ## D;
-
-.align 8
-.global twofish_enc_blk
-.global twofish_dec_blk
-
-twofish_enc_blk:
- pushq R1
-
- /* %rdi contains the crypto tfm adress */
- /* %rsi contains the output adress */
- /* %rdx contains the input adress */
- add $crypto_tfm_ctx_offset, %rdi /* set ctx adress */
- /* ctx adress is moved to free one non-rex register
- as target for the 8bit high operations */
- mov %rdi, %r11
-
- movq (R3), R1
- movq 8(R3), R3
- input_whitening(R1,%r11,a_offset)
- input_whitening(R3,%r11,c_offset)
- mov R1D, R0D
- rol $16, R0D
- shr $32, R1
- mov R3D, R2D
- shr $32, R3
- rol $1, R3D
-
- encrypt_round(R0,R1,R2,R3,0);
- encrypt_round(R2,R3,R0,R1,8);
- encrypt_round(R0,R1,R2,R3,2*8);
- encrypt_round(R2,R3,R0,R1,3*8);
- encrypt_round(R0,R1,R2,R3,4*8);
- encrypt_round(R2,R3,R0,R1,5*8);
- encrypt_round(R0,R1,R2,R3,6*8);
- encrypt_round(R2,R3,R0,R1,7*8);
- encrypt_round(R0,R1,R2,R3,8*8);
- encrypt_round(R2,R3,R0,R1,9*8);
- encrypt_round(R0,R1,R2,R3,10*8);
- encrypt_round(R2,R3,R0,R1,11*8);
- encrypt_round(R0,R1,R2,R3,12*8);
- encrypt_round(R2,R3,R0,R1,13*8);
- encrypt_round(R0,R1,R2,R3,14*8);
- encrypt_last_round(R2,R3,R0,R1,15*8);
-
-
- output_whitening(%r10,%r11,a_offset)
- movq %r10, (%rsi)
-
- shl $32, R1
- xor R0, R1
-
- output_whitening(R1,%r11,c_offset)
- movq R1, 8(%rsi)
-
- popq R1
- movq $1,%rax
- ret
-
-twofish_dec_blk:
- pushq R1
-
- /* %rdi contains the crypto tfm adress */
- /* %rsi contains the output adress */
- /* %rdx contains the input adress */
- add $crypto_tfm_ctx_offset, %rdi /* set ctx adress */
- /* ctx adress is moved to free one non-rex register
- as target for the 8bit high operations */
- mov %rdi, %r11
-
- movq (R3), R1
- movq 8(R3), R3
- output_whitening(R1,%r11,a_offset)
- output_whitening(R3,%r11,c_offset)
- mov R1D, R0D
- shr $32, R1
- rol $16, R1D
- mov R3D, R2D
- shr $32, R3
- rol $1, R2D
-
- decrypt_round(R0,R1,R2,R3,15*8);
- decrypt_round(R2,R3,R0,R1,14*8);
- decrypt_round(R0,R1,R2,R3,13*8);
- decrypt_round(R2,R3,R0,R1,12*8);
- decrypt_round(R0,R1,R2,R3,11*8);
- decrypt_round(R2,R3,R0,R1,10*8);
- decrypt_round(R0,R1,R2,R3,9*8);
- decrypt_round(R2,R3,R0,R1,8*8);
- decrypt_round(R0,R1,R2,R3,7*8);
- decrypt_round(R2,R3,R0,R1,6*8);
- decrypt_round(R0,R1,R2,R3,5*8);
- decrypt_round(R2,R3,R0,R1,4*8);
- decrypt_round(R0,R1,R2,R3,3*8);
- decrypt_round(R2,R3,R0,R1,2*8);
- decrypt_round(R0,R1,R2,R3,1*8);
- decrypt_last_round(R2,R3,R0,R1,0);
-
- input_whitening(%r10,%r11,a_offset)
- movq %r10, (%rsi)
-
- shl $32, R1
- xor R0, R1
-
- input_whitening(R1,%r11,c_offset)
- movq R1, 8(%rsi)
-
- popq R1
- movq $1,%rax
- ret
diff --git a/arch/x86_64/crypto/twofish_64.c b/arch/x86_64/crypto/twofish_64.c
deleted file mode 100644
index 182d91d5cfb9..000000000000
--- a/arch/x86_64/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");