[PATCH 3/3] crypto: x86 - Remove des and des3_ede code

Eric Biggers
2026-03-26T20:12:54Z

Since DES and Triple DES are obsolete, there is very little point in
maintining architecture-optimized code for them. Remove it.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
arch/x86/crypto/Kconfig | 14 -
arch/x86/crypto/Makefile | 3 -
arch/x86/crypto/des3_ede-asm_64.S | 831 ------------------------------
arch/x86/crypto/des3_ede_glue.c | 391 --------------
4 files changed, 1239 deletions(-)
delete mode 100644 arch/x86/crypto/des3_ede-asm_64.S
delete mode 100644 arch/x86/crypto/des3_ede_glue.c

diff --git a/arch/x86/crypto/Kconfig b/arch/x86/crypto/Kconfig
index 7fb2319a0916..03c5cdfe8eb0 100644
--- a/arch/x86/crypto/Kconfig
+++ b/arch/x86/crypto/Kconfig
@@ -97,24 +97,10 @@ config CRYPTO_CAST6_AVX_X86_64
Architecture: x86_64 using:
- AVX (Advanced Vector Extensions)

Processes eight blocks in parallel.

-config CRYPTO_DES3_EDE_X86_64
- tristate "Ciphers: Triple DES EDE with modes: ECB, CBC"
- depends on 64BIT
- select CRYPTO_SKCIPHER
- select CRYPTO_LIB_DES
- imply CRYPTO_CTR
- help
- Block cipher: Triple DES EDE (FIPS 46-3) cipher algorithm
- Length-preserving ciphers: Triple DES EDE with ECB and CBC modes
-
- Architecture: x86_64
-
- Processes one or three blocks in parallel.
-
config CRYPTO_SERPENT_SSE2_X86_64
tristate "Ciphers: Serpent with modes: ECB, CBC (SSE2)"
depends on 64BIT
select CRYPTO_SKCIPHER
select CRYPTO_SERPENT
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index b21ad0978c52..cb07260f7f4f 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -18,13 +18,10 @@ serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o
obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o
serpent-avx-x86_64-y := serpent-avx-x86_64-asm_64.o serpent_avx_glue.o
obj-$(CONFIG_CRYPTO_SERPENT_AVX2_X86_64) += serpent-avx2.o
serpent-avx2-y := serpent-avx2-asm_64.o serpent_avx2_glue.o

-obj-$(CONFIG_CRYPTO_DES3_EDE_X86_64) += des3_ede-x86_64.o
-des3_ede-x86_64-y := des3_ede-asm_64.o des3_ede_glue.o
-
obj-$(CONFIG_CRYPTO_CAMELLIA_X86_64) += camellia-x86_64.o
camellia-x86_64-y := camellia-x86_64-asm_64.o camellia_glue.o
obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64) += camellia-aesni-avx-x86_64.o
camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o camellia_aesni_avx_glue.o
obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64) += camellia-aesni-avx2.o
diff --git a/arch/x86/crypto/des3_ede-asm_64.S b/arch/x86/crypto/des3_ede-asm_64.S
deleted file mode 100644
index cf21b998e77c..000000000000
--- a/arch/x86/crypto/des3_ede-asm_64.S
+++ /dev/null
@@ -1,831 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * des3_ede-asm_64.S - x86-64 assembly implementation of 3DES cipher
- *
- * Copyright © 2014 Jussi Kivilinna <jussi.kivilinna@iki.fi>
- */
-
-#include <linux/linkage.h>
-
-.file "des3_ede-asm_64.S"
-.text
-
-#define s1 .L_s1
-#define s2 ((s1) + (64*8))
-#define s3 ((s2) + (64*8))
-#define s4 ((s3) + (64*8))
-#define s5 ((s4) + (64*8))
-#define s6 ((s5) + (64*8))
-#define s7 ((s6) + (64*8))
-#define s8 ((s7) + (64*8))
-
-/* register macros */
-#define CTX %rdi
-
-#define RL0 %r8
-#define RL1 %r9
-#define RL2 %r10
-
-#define RL0d %r8d
-#define RL1d %r9d
-#define RL2d %r10d
-
-#define RR0 %r11
-#define RR1 %r12
-#define RR2 %r13
-
-#define RR0d %r11d
-#define RR1d %r12d
-#define RR2d %r13d
-
-#define RW0 %rax
-#define RW1 %rbx
-#define RW2 %rcx
-
-#define RW0d %eax
-#define RW1d %ebx
-#define RW2d %ecx
-
-#define RW0bl %al
-#define RW1bl %bl
-#define RW2bl %cl
-
-#define RW0bh %ah
-#define RW1bh %bh
-#define RW2bh %ch
-
-#define RT0 %r15
-#define RT1 %rsi
-#define RT2 %r14
-#define RT3 %rdx
-
-#define RT0d %r15d
-#define RT1d %esi
-#define RT2d %r14d
-#define RT3d %edx
-
-/***********************************************************************
- * 1-way 3DES
- ***********************************************************************/
-#define do_permutation(a, b, offset, mask) \
- movl a, RT0d; \
- shrl $(offset), RT0d; \
- xorl b, RT0d; \
- andl $(mask), RT0d; \
- xorl RT0d, b; \
- shll $(offset), RT0d; \
- xorl RT0d, a;
-
-#define expand_to_64bits(val, mask) \
- movl val##d, RT0d; \
- rorl $4, RT0d; \
- shlq $32, RT0; \
- orq RT0, val; \
- andq mask, val;
-
-#define compress_to_64bits(val) \
- movq val, RT0; \
- shrq $32, RT0; \
- roll $4, RT0d; \
- orl RT0d, val##d;
-
-#define initial_permutation(left, right) \
- do_permutation(left##d, right##d, 4, 0x0f0f0f0f); \
- do_permutation(left##d, right##d, 16, 0x0000ffff); \
- do_permutation(right##d, left##d, 2, 0x33333333); \
- do_permutation(right##d, left##d, 8, 0x00ff00ff); \
- movabs $0x3f3f3f3f3f3f3f3f, RT3; \
- movl left##d, RW0d; \
- roll $1, right##d; \
- xorl right##d, RW0d; \
- andl $0xaaaaaaaa, RW0d; \
- xorl RW0d, left##d; \
- xorl RW0d, right##d; \
- roll $1, left##d; \
- expand_to_64bits(right, RT3); \
- expand_to_64bits(left, RT3);
-
-#define final_permutation(left, right) \
- compress_to_64bits(right); \
- compress_to_64bits(left); \
- movl right##d, RW0d; \
- rorl $1, left##d; \
- xorl left##d, RW0d; \
- andl $0xaaaaaaaa, RW0d; \
- xorl RW0d, right##d; \
- xorl RW0d, left##d; \
- rorl $1, right##d; \
- do_permutation(right##d, left##d, 8, 0x00ff00ff); \
- do_permutation(right##d, left##d, 2, 0x33333333); \
- do_permutation(left##d, right##d, 16, 0x0000ffff); \
- do_permutation(left##d, right##d, 4, 0x0f0f0f0f);
-
-#define round1(n, from, to, load_next_key) \
- xorq from, RW0; \
- \
- movzbl RW0bl, RT0d; \
- movzbl RW0bh, RT1d; \
- shrq $16, RW0; \
- movzbl RW0bl, RT2d; \
- movzbl RW0bh, RT3d; \
- shrq $16, RW0; \
- leaq s8(%rip), RW1; \
- movq (RW1, RT0, 8), RT0; \
- leaq s6(%rip), RW1; \
- xorq (RW1, RT1, 8), to; \
- movzbl RW0bl, RL1d; \
- movzbl RW0bh, RT1d; \
- shrl $16, RW0d; \
- leaq s4(%rip), RW1; \
- xorq (RW1, RT2, 8), RT0; \
- leaq s2(%rip), RW1; \
- xorq (RW1, RT3, 8), to; \
- movzbl RW0bl, RT2d; \
- movzbl RW0bh, RT3d; \
- leaq s7(%rip), RW1; \
- xorq (RW1, RL1, 8), RT0; \
- leaq s5(%rip), RW1; \
- xorq (RW1, RT1, 8), to; \
- leaq s3(%rip), RW1; \
- xorq (RW1, RT2, 8), RT0; \
- load_next_key(n, RW0); \
- xorq RT0, to; \
- leaq s1(%rip), RW1; \
- xorq (RW1, RT3, 8), to; \
-
-#define load_next_key(n, RWx) \
- movq (((n) + 1) * 8)(CTX), RWx;
-
-#define dummy2(a, b) /*_*/
-
-#define read_block(io, left, right) \
- movl (io), left##d; \
- movl 4(io), right##d; \
- bswapl left##d; \
- bswapl right##d;
-
-#define write_block(io, left, right) \
- bswapl left##d; \
- bswapl right##d; \
- movl left##d, (io); \
- movl right##d, 4(io);
-
-SYM_FUNC_START(des3_ede_x86_64_crypt_blk)
- /* input:
- * %rdi: round keys, CTX
- * %rsi: dst
- * %rdx: src
- */
- pushq %rbx;
- pushq %r12;
- pushq %r13;
- pushq %r14;
- pushq %r15;
-
- pushq %rsi; /* dst */
-
- read_block(%rdx, RL0, RR0);
- initial_permutation(RL0, RR0);
-
- movq (CTX), RW0;
-
- round1(0, RR0, RL0, load_next_key);
- round1(1, RL0, RR0, load_next_key);
- round1(2, RR0, RL0, load_next_key);
- round1(3, RL0, RR0, load_next_key);
- round1(4, RR0, RL0, load_next_key);
- round1(5, RL0, RR0, load_next_key);
- round1(6, RR0, RL0, load_next_key);
- round1(7, RL0, RR0, load_next_key);
- round1(8, RR0, RL0, load_next_key);
- round1(9, RL0, RR0, load_next_key);
- round1(10, RR0, RL0, load_next_key);
- round1(11, RL0, RR0, load_next_key);
- round1(12, RR0, RL0, load_next_key);
- round1(13, RL0, RR0, load_next_key);
- round1(14, RR0, RL0, load_next_key);
- round1(15, RL0, RR0, load_next_key);
-
- round1(16+0, RL0, RR0, load_next_key);
- round1(16+1, RR0, RL0, load_next_key);
- round1(16+2, RL0, RR0, load_next_key);
- round1(16+3, RR0, RL0, load_next_key);
- round1(16+4, RL0, RR0, load_next_key);
- round1(16+5, RR0, RL0, load_next_key);
- round1(16+6, RL0, RR0, load_next_key);
- round1(16+7, RR0, RL0, load_next_key);
- round1(16+8, RL0, RR0, load_next_key);
- round1(16+9, RR0, RL0, load_next_key);
- round1(16+10, RL0, RR0, load_next_key);
- round1(16+11, RR0, RL0, load_next_key);
- round1(16+12, RL0, RR0, load_next_key);
- round1(16+13, RR0, RL0, load_next_key);
- round1(16+14, RL0, RR0, load_next_key);
- round1(16+15, RR0, RL0, load_next_key);
-
- round1(32+0, RR0, RL0, load_next_key);
- round1(32+1, RL0, RR0, load_next_key);
- round1(32+2, RR0, RL0, load_next_key);
- round1(32+3, RL0, RR0, load_next_key);
- round1(32+4, RR0, RL0, load_next_key);
- round1(32+5, RL0, RR0, load_next_key);
- round1(32+6, RR0, RL0, load_next_key);
- round1(32+7, RL0, RR0, load_next_key);
- round1(32+8, RR0, RL0, load_next_key);
- round1(32+9, RL0, RR0, load_next_key);
- round1(32+10, RR0, RL0, load_next_key);
- round1(32+11, RL0, RR0, load_next_key);
- round1(32+12, RR0, RL0, load_next_key);
- round1(32+13, RL0, RR0, load_next_key);
- round1(32+14, RR0, RL0, load_next_key);
- round1(32+15, RL0, RR0, dummy2);
-
- final_permutation(RR0, RL0);
-
- popq %rsi /* dst */
- write_block(%rsi, RR0, RL0);
-
- popq %r15;
- popq %r14;
- popq %r13;
- popq %r12;
- popq %rbx;
-
- RET;
-SYM_FUNC_END(des3_ede_x86_64_crypt_blk)
-
-/***********************************************************************
- * 3-way 3DES
- ***********************************************************************/
-#define expand_to_64bits(val, mask) \
- movl val##d, RT0d; \
- rorl $4, RT0d; \
- shlq $32, RT0; \
- orq RT0, val; \
- andq mask, val;
-
-#define compress_to_64bits(val) \
- movq val, RT0; \
- shrq $32, RT0; \
- roll $4, RT0d; \
- orl RT0d, val##d;
-
-#define initial_permutation3(left, right) \
- do_permutation(left##0d, right##0d, 4, 0x0f0f0f0f); \
- do_permutation(left##0d, right##0d, 16, 0x0000ffff); \
- do_permutation(left##1d, right##1d, 4, 0x0f0f0f0f); \
- do_permutation(left##1d, right##1d, 16, 0x0000ffff); \
- do_permutation(left##2d, right##2d, 4, 0x0f0f0f0f); \
- do_permutation(left##2d, right##2d, 16, 0x0000ffff); \
- \
- do_permutation(right##0d, left##0d, 2, 0x33333333); \
- do_permutation(right##0d, left##0d, 8, 0x00ff00ff); \
- do_permutation(right##1d, left##1d, 2, 0x33333333); \
- do_permutation(right##1d, left##1d, 8, 0x00ff00ff); \
- do_permutation(right##2d, left##2d, 2, 0x33333333); \
- do_permutation(right##2d, left##2d, 8, 0x00ff00ff); \
- \
- movabs $0x3f3f3f3f3f3f3f3f, RT3; \
- \
- movl left##0d, RW0d; \
- roll $1, right##0d; \
- xorl right##0d, RW0d; \
- andl $0xaaaaaaaa, RW0d; \
- xorl RW0d, left##0d; \
- xorl RW0d, right##0d; \
- roll $1, left##0d; \
- expand_to_64bits(right##0, RT3); \
- expand_to_64bits(left##0, RT3); \
- movl left##1d, RW1d; \
- roll $1, right##1d; \
- xorl right##1d, RW1d; \
- andl $0xaaaaaaaa, RW1d; \
- xorl RW1d, left##1d; \
- xorl RW1d, right##1d; \
- roll $1, left##1d; \
- expand_to_64bits(right##1, RT3); \
- expand_to_64bits(left##1, RT3); \
- movl left##2d, RW2d; \
- roll $1, right##2d; \
- xorl right##2d, RW2d; \
- andl $0xaaaaaaaa, RW2d; \
- xorl RW2d, left##2d; \
- xorl RW2d, right##2d; \
- roll $1, left##2d; \
- expand_to_64bits(right##2, RT3); \
- expand_to_64bits(left##2, RT3);
-
-#define final_permutation3(left, right) \
- compress_to_64bits(right##0); \
- compress_to_64bits(left##0); \
- movl right##0d, RW0d; \
- rorl $1, left##0d; \
- xorl left##0d, RW0d; \
- andl $0xaaaaaaaa, RW0d; \
- xorl RW0d, right##0d; \
- xorl RW0d, left##0d; \
- rorl $1, right##0d; \
- compress_to_64bits(right##1); \
- compress_to_64bits(left##1); \
- movl right##1d, RW1d; \
- rorl $1, left##1d; \
- xorl left##1d, RW1d; \
- andl $0xaaaaaaaa, RW1d; \
- xorl RW1d, right##1d; \
- xorl RW1d, left##1d; \
- rorl $1, right##1d; \
- compress_to_64bits(right##2); \
- compress_to_64bits(left##2); \
- movl right##2d, RW2d; \
- rorl $1, left##2d; \
- xorl left##2d, RW2d; \
- andl $0xaaaaaaaa, RW2d; \
- xorl RW2d, right##2d; \
- xorl RW2d, left##2d; \
- rorl $1, right##2d; \
- \
- do_permutation(right##0d, left##0d, 8, 0x00ff00ff); \
- do_permutation(right##0d, left##0d, 2, 0x33333333); \
- do_permutation(right##1d, left##1d, 8, 0x00ff00ff); \
- do_permutation(right##1d, left##1d, 2, 0x33333333); \
- do_permutation(right##2d, left##2d, 8, 0x00ff00ff); \
- do_permutation(right##2d, left##2d, 2, 0x33333333); \
- \
- do_permutation(left##0d, right##0d, 16, 0x0000ffff); \
- do_permutation(left##0d, right##0d, 4, 0x0f0f0f0f); \
- do_permutation(left##1d, right##1d, 16, 0x0000ffff); \
- do_permutation(left##1d, right##1d, 4, 0x0f0f0f0f); \
- do_permutation(left##2d, right##2d, 16, 0x0000ffff); \
- do_permutation(left##2d, right##2d, 4, 0x0f0f0f0f);
-
-#define round3(n, from, to, load_next_key, do_movq) \
- xorq from##0, RW0; \
- movzbl RW0bl, RT3d; \
- movzbl RW0bh, RT1d; \
- shrq $16, RW0; \
- leaq s8(%rip), RT2; \
- xorq (RT2, RT3, 8), to##0; \
- leaq s6(%rip), RT2; \
- xorq (RT2, RT1, 8), to##0; \
- movzbl RW0bl, RT3d; \
- movzbl RW0bh, RT1d; \
- shrq $16, RW0; \
- leaq s4(%rip), RT2; \
- xorq (RT2, RT3, 8), to##0; \
- leaq s2(%rip), RT2; \
- xorq (RT2, RT1, 8), to##0; \
- movzbl RW0bl, RT3d; \
- movzbl RW0bh, RT1d; \
- shrl $16, RW0d; \
- leaq s7(%rip), RT2; \
- xorq (RT2, RT3, 8), to##0; \
- leaq s5(%rip), RT2; \
- xorq (RT2, RT1, 8), to##0; \
- movzbl RW0bl, RT3d; \
- movzbl RW0bh, RT1d; \
- load_next_key(n, RW0); \
- leaq s3(%rip), RT2; \
- xorq (RT2, RT3, 8), to##0; \
- leaq s1(%rip), RT2; \
- xorq (RT2, RT1, 8), to##0; \
- xorq from##1, RW1; \
- movzbl RW1bl, RT3d; \
- movzbl RW1bh, RT1d; \
- shrq $16, RW1; \
- leaq s8(%rip), RT2; \
- xorq (RT2, RT3, 8), to##1; \
- leaq s6(%rip), RT2; \
- xorq (RT2, RT1, 8), to##1; \
- movzbl RW1bl, RT3d; \
- movzbl RW1bh, RT1d; \
- shrq $16, RW1; \
- leaq s4(%rip), RT2; \
- xorq (RT2, RT3, 8), to##1; \
- leaq s2(%rip), RT2; \
- xorq (RT2, RT1, 8), to##1; \
- movzbl RW1bl, RT3d; \
- movzbl RW1bh, RT1d; \
- shrl $16, RW1d; \
- leaq s7(%rip), RT2; \
- xorq (RT2, RT3, 8), to##1; \
- leaq s5(%rip), RT2; \
- xorq (RT2, RT1, 8), to##1; \
- movzbl RW1bl, RT3d; \
- movzbl RW1bh, RT1d; \
- do_movq(RW0, RW1); \
- leaq s3(%rip), RT2; \
- xorq (RT2, RT3, 8), to##1; \
- leaq s1(%rip), RT2; \
- xorq (RT2, RT1, 8), to##1; \
- xorq from##2, RW2; \
- movzbl RW2bl, RT3d; \
- movzbl RW2bh, RT1d; \
- shrq $16, RW2; \
- leaq s8(%rip), RT2; \
- xorq (RT2, RT3, 8), to##2; \
- leaq s6(%rip), RT2; \
- xorq (RT2, RT1, 8), to##2; \
- movzbl RW2bl, RT3d; \
- movzbl RW2bh, RT1d; \
- shrq $16, RW2; \
- leaq s4(%rip), RT2; \
- xorq (RT2, RT3, 8), to##2; \
- leaq s2(%rip), RT2; \
- xorq (RT2, RT1, 8), to##2; \
- movzbl RW2bl, RT3d; \
- movzbl RW2bh, RT1d; \
- shrl $16, RW2d; \
- leaq s7(%rip), RT2; \
- xorq (RT2, RT3, 8), to##2; \
- leaq s5(%rip), RT2; \
- xorq (RT2, RT1, 8), to##2; \
- movzbl RW2bl, RT3d; \
- movzbl RW2bh, RT1d; \
- do_movq(RW0, RW2); \
- leaq s3(%rip), RT2; \
- xorq (RT2, RT3, 8), to##2; \
- leaq s1(%rip), RT2; \
- xorq (RT2, RT1, 8), to##2;
-
-#define __movq(src, dst) \
- movq src, dst;
-
-SYM_FUNC_START(des3_ede_x86_64_crypt_blk_3way)
- /* input:
- * %rdi: ctx, round keys
- * %rsi: dst (3 blocks)
- * %rdx: src (3 blocks)
- */
-
- pushq %rbx;
- pushq %r12;
- pushq %r13;
- pushq %r14;
- pushq %r15;
-
- pushq %rsi /* dst */
-
- /* load input */
- movl 0 * 4(%rdx), RL0d;
- movl 1 * 4(%rdx), RR0d;
- movl 2 * 4(%rdx), RL1d;
- movl 3 * 4(%rdx), RR1d;
- movl 4 * 4(%rdx), RL2d;
- movl 5 * 4(%rdx), RR2d;
-
- bswapl RL0d;
- bswapl RR0d;
- bswapl RL1d;
- bswapl RR1d;
- bswapl RL2d;
- bswapl RR2d;
-
- initial_permutation3(RL, RR);
-
- movq 0(CTX), RW0;
- movq RW0, RW1;
- movq RW0, RW2;
-
- round3(0, RR, RL, load_next_key, __movq);
- round3(1, RL, RR, load_next_key, __movq);
- round3(2, RR, RL, load_next_key, __movq);
- round3(3, RL, RR, load_next_key, __movq);
- round3(4, RR, RL, load_next_key, __movq);
- round3(5, RL, RR, load_next_key, __movq);
- round3(6, RR, RL, load_next_key, __movq);
- round3(7, RL, RR, load_next_key, __movq);
- round3(8, RR, RL, load_next_key, __movq);
- round3(9, RL, RR, load_next_key, __movq);
- round3(10, RR, RL, load_next_key, __movq);
- round3(11, RL, RR, load_next_key, __movq);
- round3(12, RR, RL, load_next_key, __movq);
- round3(13, RL, RR, load_next_key, __movq);
- round3(14, RR, RL, load_next_key, __movq);
- round3(15, RL, RR, load_next_key, __movq);
-
- round3(16+0, RL, RR, load_next_key, __movq);
- round3(16+1, RR, RL, load_next_key, __movq);
- round3(16+2, RL, RR, load_next_key, __movq);
- round3(16+3, RR, RL, load_next_key, __movq);
- round3(16+4, RL, RR, load_next_key, __movq);
- round3(16+5, RR, RL, load_next_key, __movq);
- round3(16+6, RL, RR, load_next_key, __movq);
- round3(16+7, RR, RL, load_next_key, __movq);
- round3(16+8, RL, RR, load_next_key, __movq);
- round3(16+9, RR, RL, load_next_key, __movq);
- round3(16+10, RL, RR, load_next_key, __movq);
- round3(16+11, RR, RL, load_next_key, __movq);
- round3(16+12, RL, RR, load_next_key, __movq);
- round3(16+13, RR, RL, load_next_key, __movq);
- round3(16+14, RL, RR, load_next_key, __movq);
- round3(16+15, RR, RL, load_next_key, __movq);
-
- round3(32+0, RR, RL, load_next_key, __movq);
- round3(32+1, RL, RR, load_next_key, __movq);
- round3(32+2, RR, RL, load_next_key, __movq);
- round3(32+3, RL, RR, load_next_key, __movq);
- round3(32+4, RR, RL, load_next_key, __movq);
- round3(32+5, RL, RR, load_next_key, __movq);
- round3(32+6, RR, RL, load_next_key, __movq);
- round3(32+7, RL, RR, load_next_key, __movq);
- round3(32+8, RR, RL, load_next_key, __movq);
- round3(32+9, RL, RR, load_next_key, __movq);
- round3(32+10, RR, RL, load_next_key, __movq);
- round3(32+11, RL, RR, load_next_key, __movq);
- round3(32+12, RR, RL, load_next_key, __movq);
- round3(32+13, RL, RR, load_next_key, __movq);
- round3(32+14, RR, RL, load_next_key, __movq);
- round3(32+15, RL, RR, dummy2, dummy2);
-
- final_permutation3(RR, RL);
-
- bswapl RR0d;
- bswapl RL0d;
- bswapl RR1d;
- bswapl RL1d;
- bswapl RR2d;
- bswapl RL2d;
-
- popq %rsi /* dst */
- movl RR0d, 0 * 4(%rsi);
- movl RL0d, 1 * 4(%rsi);
- movl RR1d, 2 * 4(%rsi);
- movl RL1d, 3 * 4(%rsi);
- movl RR2d, 4 * 4(%rsi);
- movl RL2d, 5 * 4(%rsi);
-
- popq %r15;
- popq %r14;
- popq %r13;
- popq %r12;
- popq %rbx;
-
- RET;
-SYM_FUNC_END(des3_ede_x86_64_crypt_blk_3way)
-
-.section .rodata, "a", @progbits
-.align 16
-.L_s1:
- .quad 0x0010100001010400, 0x0000000000000000
- .quad 0x0000100000010000, 0x0010100001010404
- .quad 0x0010100001010004, 0x0000100000010404
- .quad 0x0000000000000004, 0x0000100000010000
- .quad 0x0000000000000400, 0x0010100001010400
- .quad 0x0010100001010404, 0x0000000000000400
- .quad 0x0010000001000404, 0x0010100001010004
- .quad 0x0010000001000000, 0x0000000000000004
- .quad 0x0000000000000404, 0x0010000001000400
- .quad 0x0010000001000400, 0x0000100000010400
- .quad 0x0000100000010400, 0x0010100001010000
- .quad 0x0010100001010000, 0x0010000001000404
- .quad 0x0000100000010004, 0x0010000001000004
- .quad 0x0010000001000004, 0x0000100000010004
- .quad 0x0000000000000000, 0x0000000000000404
- .quad 0x0000100000010404, 0x0010000001000000
- .quad 0x0000100000010000, 0x0010100001010404
- .quad 0x0000000000000004, 0x0010100001010000
- .quad 0x0010100001010400, 0x0010000001000000
- .quad 0x0010000001000000, 0x0000000000000400
- .quad 0x0010100001010004, 0x0000100000010000
- .quad 0x0000100000010400, 0x0010000001000004
- .quad 0x0000000000000400, 0x0000000000000004
- .quad 0x0010000001000404, 0x0000100000010404
- .quad 0x0010100001010404, 0x0000100000010004
- .quad 0x0010100001010000, 0x0010000001000404
- .quad 0x0010000001000004, 0x0000000000000404
- .quad 0x0000100000010404, 0x0010100001010400
- .quad 0x0000000000000404, 0x0010000001000400
- .quad 0x0010000001000400, 0x0000000000000000
- .quad 0x0000100000010004, 0x0000100000010400
- .quad 0x0000000000000000, 0x0010100001010004
-.L_s2:
- .quad 0x0801080200100020, 0x0800080000000000
- .quad 0x0000080000000000, 0x0001080200100020
- .quad 0x0001000000100000, 0x0000000200000020
- .quad 0x0801000200100020, 0x0800080200000020
- .quad 0x0800000200000020, 0x0801080200100020
- .quad 0x0801080000100000, 0x0800000000000000
- .quad 0x0800080000000000, 0x0001000000100000
- .quad 0x0000000200000020, 0x0801000200100020
- .quad 0x0001080000100000, 0x0001000200100020
- .quad 0x0800080200000020, 0x0000000000000000
- .quad 0x0800000000000000, 0x0000080000000000
- .quad 0x0001080200100020, 0x0801000000100000
- .quad 0x0001000200100020, 0x0800000200000020
- .quad 0x0000000000000000, 0x0001080000100000
- .quad 0x0000080200000020, 0x0801080000100000
- .quad 0x0801000000100000, 0x0000080200000020
- .quad 0x0000000000000000, 0x0001080200100020
- .quad 0x0801000200100020, 0x0001000000100000
- .quad 0x0800080200000020, 0x0801000000100000
- .quad 0x0801080000100000, 0x0000080000000000
- .quad 0x0801000000100000, 0x0800080000000000
- .quad 0x0000000200000020, 0x0801080200100020
- .quad 0x0001080200100020, 0x0000000200000020
- .quad 0x0000080000000000, 0x0800000000000000
- .quad 0x0000080200000020, 0x0801080000100000
- .quad 0x0001000000100000, 0x0800000200000020
- .quad 0x0001000200100020, 0x0800080200000020
- .quad 0x0800000200000020, 0x0001000200100020
- .quad 0x0001080000100000, 0x0000000000000000
- .quad 0x0800080000000000, 0x0000080200000020
- .quad 0x0800000000000000, 0x0801000200100020
- .quad 0x0801080200100020, 0x0001080000100000
-.L_s3:
- .quad 0x0000002000000208, 0x0000202008020200
- .quad 0x0000000000000000, 0x0000200008020008
- .quad 0x0000002008000200, 0x0000000000000000
- .quad 0x0000202000020208, 0x0000002008000200
- .quad 0x0000200000020008, 0x0000000008000008
- .quad 0x0000000008000008, 0x0000200000020000
- .quad 0x0000202008020208, 0x0000200000020008
- .quad 0x0000200008020000, 0x0000002000000208
- .quad 0x0000000008000000, 0x0000000000000008
- .quad 0x0000202008020200, 0x0000002000000200
- .quad 0x0000202000020200, 0x0000200008020000
- .quad 0x0000200008020008, 0x0000202000020208
- .quad 0x0000002008000208, 0x0000202000020200
- .quad 0x0000200000020000, 0x0000002008000208
- .quad 0x0000000000000008, 0x0000202008020208
- .quad 0x0000002000000200, 0x0000000008000000
- .quad 0x0000202008020200, 0x0000000008000000
- .quad 0x0000200000020008, 0x0000002000000208
- .quad 0x0000200000020000, 0x0000202008020200
- .quad 0x0000002008000200, 0x0000000000000000
- .quad 0x0000002000000200, 0x0000200000020008
- .quad 0x0000202008020208, 0x0000002008000200
- .quad 0x0000000008000008, 0x0000002000000200
- .quad 0x0000000000000000, 0x0000200008020008
- .quad 0x0000002008000208, 0x0000200000020000
- .quad 0x0000000008000000, 0x0000202008020208
- .quad 0x0000000000000008, 0x0000202000020208
- .quad 0x0000202000020200, 0x0000000008000008
- .quad 0x0000200008020000, 0x0000002008000208
- .quad 0x0000002000000208, 0x0000200008020000
- .quad 0x0000202000020208, 0x0000000000000008
- .quad 0x0000200008020008, 0x0000202000020200
-.L_s4:
- .quad 0x1008020000002001, 0x1000020800002001
- .quad 0x1000020800002001, 0x0000000800000000
- .quad 0x0008020800002000, 0x1008000800000001
- .quad 0x1008000000000001, 0x1000020000002001
- .quad 0x0000000000000000, 0x0008020000002000
- .quad 0x0008020000002000, 0x1008020800002001
- .quad 0x1000000800000001, 0x0000000000000000
- .quad 0x0008000800000000, 0x1008000000000001
- .quad 0x1000000000000001, 0x0000020000002000
- .quad 0x0008000000000000, 0x1008020000002001
- .quad 0x0000000800000000, 0x0008000000000000
- .quad 0x1000020000002001, 0x0000020800002000
- .quad 0x1008000800000001, 0x1000000000000001
- .quad 0x0000020800002000, 0x0008000800000000
- .quad 0x0000020000002000, 0x0008020800002000
- .quad 0x1008020800002001, 0x1000000800000001
- .quad 0x0008000800000000, 0x1008000000000001
- .quad 0x0008020000002000, 0x1008020800002001
- .quad 0x1000000800000001, 0x0000000000000000
- .quad 0x0000000000000000, 0x0008020000002000
- .quad 0x0000020800002000, 0x0008000800000000
- .quad 0x1008000800000001, 0x1000000000000001
- .quad 0x1008020000002001, 0x1000020800002001
- .quad 0x1000020800002001, 0x0000000800000000
- .quad 0x1008020800002001, 0x1000000800000001
- .quad 0x1000000000000001, 0x0000020000002000
- .quad 0x1008000000000001, 0x1000020000002001
- .quad 0x0008020800002000, 0x1008000800000001
- .quad 0x1000020000002001, 0x0000020800002000
- .quad 0x0008000000000000, 0x1008020000002001
- .quad 0x0000000800000000, 0x0008000000000000
- .quad 0x0000020000002000, 0x0008020800002000
-.L_s5:
- .quad 0x0000001000000100, 0x0020001002080100
- .quad 0x0020000002080000, 0x0420001002000100
- .quad 0x0000000000080000, 0x0000001000000100
- .quad 0x0400000000000000, 0x0020000002080000
- .quad 0x0400001000080100, 0x0000000000080000
- .quad 0x0020001002000100, 0x0400001000080100
- .quad 0x0420001002000100, 0x0420000002080000
- .quad 0x0000001000080100, 0x0400000000000000
- .quad 0x0020000002000000, 0x0400000000080000
- .quad 0x0400000000080000, 0x0000000000000000
- .quad 0x0400001000000100, 0x0420001002080100
- .quad 0x0420001002080100, 0x0020001002000100
- .quad 0x0420000002080000, 0x0400001000000100
- .quad 0x0000000000000000, 0x0420000002000000
- .quad 0x0020001002080100, 0x0020000002000000
- .quad 0x0420000002000000, 0x0000001000080100
- .quad 0x0000000000080000, 0x0420001002000100
- .quad 0x0000001000000100, 0x0020000002000000
- .quad 0x0400000000000000, 0x0020000002080000
- .quad 0x0420001002000100, 0x0400001000080100
- .quad 0x0020001002000100, 0x0400000000000000
- .quad 0x0420000002080000, 0x0020001002080100
- .quad 0x0400001000080100, 0x0000001000000100
- .quad 0x0020000002000000, 0x0420000002080000
- .quad 0x0420001002080100, 0x0000001000080100
- .quad 0x0420000002000000, 0x0420001002080100
- .quad 0x0020000002080000, 0x0000000000000000
- .quad 0x0400000000080000, 0x0420000002000000
- .quad 0x0000001000080100, 0x0020001002000100
- .quad 0x0400001000000100, 0x0000000000080000
- .quad 0x0000000000000000, 0x0400000000080000
- .quad 0x0020001002080100, 0x0400001000000100
-.L_s6:
- .quad 0x0200000120000010, 0x0204000020000000
- .quad 0x0000040000000000, 0x0204040120000010
- .quad 0x0204000020000000, 0x0000000100000010
- .quad 0x0204040120000010, 0x0004000000000000
- .quad 0x0200040020000000, 0x0004040100000010
- .quad 0x0004000000000000, 0x0200000120000010
- .quad 0x0004000100000010, 0x0200040020000000
- .quad 0x0200000020000000, 0x0000040100000010
- .quad 0x0000000000000000, 0x0004000100000010
- .quad 0x0200040120000010, 0x0000040000000000
- .quad 0x0004040000000000, 0x0200040120000010
- .quad 0x0000000100000010, 0x0204000120000010
- .quad 0x0204000120000010, 0x0000000000000000
- .quad 0x0004040100000010, 0x0204040020000000
- .quad 0x0000040100000010, 0x0004040000000000
- .quad 0x0204040020000000, 0x0200000020000000
- .quad 0x0200040020000000, 0x0000000100000010
- .quad 0x0204000120000010, 0x0004040000000000
- .quad 0x0204040120000010, 0x0004000000000000
- .quad 0x0000040100000010, 0x0200000120000010
- .quad 0x0004000000000000, 0x0200040020000000
- .quad 0x0200000020000000, 0x0000040100000010
- .quad 0x0200000120000010, 0x0204040120000010
- .quad 0x0004040000000000, 0x0204000020000000
- .quad 0x0004040100000010, 0x0204040020000000
- .quad 0x0000000000000000, 0x0204000120000010
- .quad 0x0000000100000010, 0x0000040000000000
- .quad 0x0204000020000000, 0x0004040100000010
- .quad 0x0000040000000000, 0x0004000100000010
- .quad 0x0200040120000010, 0x0000000000000000
- .quad 0x0204040020000000, 0x0200000020000000
- .quad 0x0004000100000010, 0x0200040120000010
-.L_s7:
- .quad 0x0002000000200000, 0x2002000004200002
- .quad 0x2000000004000802, 0x0000000000000000
- .quad 0x0000000000000800, 0x2000000004000802
- .quad 0x2002000000200802, 0x0002000004200800
- .quad 0x2002000004200802, 0x0002000000200000
- .quad 0x0000000000000000, 0x2000000004000002
- .quad 0x2000000000000002, 0x0000000004000000
- .quad 0x2002000004200002, 0x2000000000000802
- .quad 0x0000000004000800, 0x2002000000200802
- .quad 0x2002000000200002, 0x0000000004000800
- .quad 0x2000000004000002, 0x0002000004200000
- .quad 0x0002000004200800, 0x2002000000200002
- .quad 0x0002000004200000, 0x0000000000000800
- .quad 0x2000000000000802, 0x2002000004200802
- .quad 0x0002000000200800, 0x2000000000000002
- .quad 0x0000000004000000, 0x0002000000200800
- .quad 0x0000000004000000, 0x0002000000200800
- .quad 0x0002000000200000, 0x2000000004000802
- .quad 0x2000000004000802, 0x2002000004200002
- .quad 0x2002000004200002, 0x2000000000000002
- .quad 0x2002000000200002, 0x0000000004000000
- .quad 0x0000000004000800, 0x0002000000200000
- .quad 0x0002000004200800, 0x2000000000000802
- .quad 0x2002000000200802, 0x0002000004200800
- .quad 0x2000000000000802, 0x2000000004000002
- .quad 0x2002000004200802, 0x0002000004200000
- .quad 0x0002000000200800, 0x0000000000000000
- .quad 0x2000000000000002, 0x2002000004200802
- .quad 0x0000000000000000, 0x2002000000200802
- .quad 0x0002000004200000, 0x0000000000000800
- .quad 0x2000000004000002, 0x0000000004000800
- .quad 0x0000000000000800, 0x2002000000200002
-.L_s8:
- .quad 0x0100010410001000, 0x0000010000001000
- .quad 0x0000000000040000, 0x0100010410041000
- .quad 0x0100000010000000, 0x0100010410001000
- .quad 0x0000000400000000, 0x0100000010000000
- .quad 0x0000000400040000, 0x0100000010040000
- .quad 0x0100010410041000, 0x0000010000041000
- .quad 0x0100010010041000, 0x0000010400041000
- .quad 0x0000010000001000, 0x0000000400000000
- .quad 0x0100000010040000, 0x0100000410000000
- .quad 0x0100010010001000, 0x0000010400001000
- .quad 0x0000010000041000, 0x0000000400040000
- .quad 0x0100000410040000, 0x0100010010041000
- .quad 0x0000010400001000, 0x0000000000000000
- .quad 0x0000000000000000, 0x0100000410040000
- .quad 0x0100000410000000, 0x0100010010001000
- .quad 0x0000010400041000, 0x0000000000040000
- .quad 0x0000010400041000, 0x0000000000040000
- .quad 0x0100010010041000, 0x0000010000001000
- .quad 0x0000000400000000, 0x0100000410040000
- .quad 0x0000010000001000, 0x0000010400041000
- .quad 0x0100010010001000, 0x0000000400000000
- .quad 0x0100000410000000, 0x0100000010040000
- .quad 0x0100000410040000, 0x0100000010000000
- .quad 0x0000000000040000, 0x0100010410001000
- .quad 0x0000000000000000, 0x0100010410041000
- .quad 0x0000000400040000, 0x0100000410000000
- .quad 0x0100000010040000, 0x0100010010001000
- .quad 0x0100010410001000, 0x0000000000000000
- .quad 0x0100010410041000, 0x0000010000041000
- .quad 0x0000010000041000, 0x0000010400001000
- .quad 0x0000010400001000, 0x0000000400040000
- .quad 0x0100000010000000, 0x0100010010041000
diff --git a/arch/x86/crypto/des3_ede_glue.c b/arch/x86/crypto/des3_ede_glue.c
deleted file mode 100644
index 34600f90d8a6..000000000000
--- a/arch/x86/crypto/des3_ede_glue.c
+++ /dev/null
@@ -1,391 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Glue Code for assembler optimized version of 3DES
- *
- * Copyright © 2014 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
- *
- * CBC & ECB parts based on code (crypto/cbc.c,ecb.c) by:
- * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
- */
-
-#include <crypto/algapi.h>
-#include <crypto/des.h>
-#include <crypto/internal/skcipher.h>
-#include <linux/crypto.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-
-struct des3_ede_x86_ctx {
- struct des3_ede_ctx enc;
- struct des3_ede_ctx dec;
-};
-
-/* regular block cipher functions */
-asmlinkage void des3_ede_x86_64_crypt_blk(const u32 *expkey, u8 *dst,
- const u8 *src);
-
-/* 3-way parallel cipher functions */
-asmlinkage void des3_ede_x86_64_crypt_blk_3way(const u32 *expkey, u8 *dst,
- const u8 *src);
-
-static inline void des3_ede_enc_blk(struct des3_ede_x86_ctx *ctx, u8 *dst,
- const u8 *src)
-{
- u32 *enc_ctx = ctx->enc.expkey;
-
- des3_ede_x86_64_crypt_blk(enc_ctx, dst, src);
-}
-
-static inline void des3_ede_dec_blk(struct des3_ede_x86_ctx *ctx, u8 *dst,
- const u8 *src)
-{
- u32 *dec_ctx = ctx->dec.expkey;
-
- des3_ede_x86_64_crypt_blk(dec_ctx, dst, src);
-}
-
-static inline void des3_ede_dec_blk_3way(struct des3_ede_x86_ctx *ctx, u8 *dst,
- const u8 *src)
-{
- u32 *dec_ctx = ctx->dec.expkey;
-
- des3_ede_x86_64_crypt_blk_3way(dec_ctx, dst, src);
-}
-
-static void des3_ede_x86_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- des3_ede_enc_blk(crypto_tfm_ctx(tfm), dst, src);
-}
-
-static void des3_ede_x86_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
- des3_ede_dec_blk(crypto_tfm_ctx(tfm), dst, src);
-}
-
-static int ecb_crypt(struct skcipher_request *req, const u32 *expkey)
-{
- const unsigned int bsize = DES3_EDE_BLOCK_SIZE;
- struct skcipher_walk walk;
- unsigned int nbytes;
- int err;
-
- err = skcipher_walk_virt(&walk, req, false);
-
- while ((nbytes = walk.nbytes)) {
- const u8 *wsrc = walk.src.virt.addr;
- u8 *wdst = walk.dst.virt.addr;
-
- /* Process four block batch */
- if (nbytes >= bsize * 3) {
- do {
- des3_ede_x86_64_crypt_blk_3way(expkey, wdst,
- wsrc);
-
- wsrc += bsize * 3;
- wdst += bsize * 3;
- nbytes -= bsize * 3;
- } while (nbytes >= bsize * 3);
-
- if (nbytes < bsize)
- goto done;
- }
-
- /* Handle leftovers */
- do {
- des3_ede_x86_64_crypt_blk(expkey, wdst, wsrc);
-
- wsrc += bsize;
- wdst += bsize;
- nbytes -= bsize;
- } while (nbytes >= bsize);
-
-done:
- err = skcipher_walk_done(&walk, nbytes);
- }
-
- return err;
-}
-
-static int ecb_encrypt(struct skcipher_request *req)
-{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct des3_ede_x86_ctx *ctx = crypto_skcipher_ctx(tfm);
-
- return ecb_crypt(req, ctx->enc.expkey);
-}
-
-static int ecb_decrypt(struct skcipher_request *req)
-{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct des3_ede_x86_ctx *ctx = crypto_skcipher_ctx(tfm);
-
- return ecb_crypt(req, ctx->dec.expkey);
-}
-
-static unsigned int __cbc_encrypt(struct des3_ede_x86_ctx *ctx,
- struct skcipher_walk *walk)
-{
- unsigned int bsize = DES3_EDE_BLOCK_SIZE;
- unsigned int nbytes = walk->nbytes;
- u64 *src = (u64 *)walk->src.virt.addr;
- u64 *dst = (u64 *)walk->dst.virt.addr;
- u64 *iv = (u64 *)walk->iv;
-
- do {
- *dst = *src ^ *iv;
- des3_ede_enc_blk(ctx, (u8 *)dst, (u8 *)dst);
- iv = dst;
-
- src += 1;
- dst += 1;
- nbytes -= bsize;
- } while (nbytes >= bsize);
-
- *(u64 *)walk->iv = *iv;
- return nbytes;
-}
-
-static int cbc_encrypt(struct skcipher_request *req)
-{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct des3_ede_x86_ctx *ctx = crypto_skcipher_ctx(tfm);
- struct skcipher_walk walk;
- unsigned int nbytes;
- int err;
-
- err = skcipher_walk_virt(&walk, req, false);
-
- while (walk.nbytes) {
- nbytes = __cbc_encrypt(ctx, &walk);
- err = skcipher_walk_done(&walk, nbytes);
- }
-
- return err;
-}
-
-static unsigned int __cbc_decrypt(struct des3_ede_x86_ctx *ctx,
- struct skcipher_walk *walk)
-{
- unsigned int bsize = DES3_EDE_BLOCK_SIZE;
- unsigned int nbytes = walk->nbytes;
- u64 *src = (u64 *)walk->src.virt.addr;
- u64 *dst = (u64 *)walk->dst.virt.addr;
- u64 ivs[3 - 1];
- u64 last_iv;
-
- /* Start of the last block. */
- src += nbytes / bsize - 1;
- dst += nbytes / bsize - 1;
-
- last_iv = *src;
-
- /* Process four block batch */
- if (nbytes >= bsize * 3) {
- do {
- nbytes -= bsize * 3 - bsize;
- src -= 3 - 1;
- dst -= 3 - 1;
-
- ivs[0] = src[0];
- ivs[1] = src[1];
-
- des3_ede_dec_blk_3way(ctx, (u8 *)dst, (u8 *)src);
-
- dst[1] ^= ivs[0];
- dst[2] ^= ivs[1];
-
- nbytes -= bsize;
- if (nbytes < bsize)
- goto done;
-
- *dst ^= *(src - 1);
- src -= 1;
- dst -= 1;
- } while (nbytes >= bsize * 3);
- }
-
- /* Handle leftovers */
- for (;;) {
- des3_ede_dec_blk(ctx, (u8 *)dst, (u8 *)src);
-
- nbytes -= bsize;
- if (nbytes < bsize)
- break;
-
- *dst ^= *(src - 1);
- src -= 1;
- dst -= 1;
- }
-
-done:
- *dst ^= *(u64 *)walk->iv;
- *(u64 *)walk->iv = last_iv;
-
- return nbytes;
-}
-
-static int cbc_decrypt(struct skcipher_request *req)
-{
- struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct des3_ede_x86_ctx *ctx = crypto_skcipher_ctx(tfm);
- struct skcipher_walk walk;
- unsigned int nbytes;
- int err;
-
- err = skcipher_walk_virt(&walk, req, false);
-
- while (walk.nbytes) {
- nbytes = __cbc_decrypt(ctx, &walk);
- err = skcipher_walk_done(&walk, nbytes);
- }
-
- return err;
-}
-
-static int des3_ede_x86_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen)
-{
- struct des3_ede_x86_ctx *ctx = crypto_tfm_ctx(tfm);
- u32 i, j, tmp;
- int err;
-
- err = des3_ede_expand_key(&ctx->enc, key, keylen);
- if (err == -ENOKEY) {
- if (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)
- err = -EINVAL;
- else
- err = 0;
- }
-
- if (err) {
- memset(ctx, 0, sizeof(*ctx));
- return err;
- }
-
- /* Fix encryption context for this implementation and form decryption
- * context. */
- j = DES3_EDE_EXPKEY_WORDS - 2;
- for (i = 0; i < DES3_EDE_EXPKEY_WORDS; i += 2, j -= 2) {
- tmp = ror32(ctx->enc.expkey[i + 1], 4);
- ctx->enc.expkey[i + 1] = tmp;
-
- ctx->dec.expkey[j + 0] = ctx->enc.expkey[i + 0];
- ctx->dec.expkey[j + 1] = tmp;
- }
-
- return 0;
-}
-
-static int des3_ede_x86_setkey_skcipher(struct crypto_skcipher *tfm,
- const u8 *key,
- unsigned int keylen)
-{
- return des3_ede_x86_setkey(&tfm->base, key, keylen);
-}
-
-static struct crypto_alg des3_ede_cipher = {
- .cra_name = "des3_ede",
- .cra_driver_name = "des3_ede-asm",
- .cra_priority = 200,
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
- .cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct des3_ede_x86_ctx),
- .cra_module = THIS_MODULE,
- .cra_u = {
- .cipher = {
- .cia_min_keysize = DES3_EDE_KEY_SIZE,
- .cia_max_keysize = DES3_EDE_KEY_SIZE,
- .cia_setkey = des3_ede_x86_setkey,
- .cia_encrypt = des3_ede_x86_encrypt,
- .cia_decrypt = des3_ede_x86_decrypt,
- }
- }
-};
-
-static struct skcipher_alg des3_ede_skciphers[] = {
- {
- .base.cra_name = "ecb(des3_ede)",
- .base.cra_driver_name = "ecb-des3_ede-asm",
- .base.cra_priority = 300,
- .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des3_ede_x86_ctx),
- .base.cra_module = THIS_MODULE,
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .setkey = des3_ede_x86_setkey_skcipher,
- .encrypt = ecb_encrypt,
- .decrypt = ecb_decrypt,
- }, {
- .base.cra_name = "cbc(des3_ede)",
- .base.cra_driver_name = "cbc-des3_ede-asm",
- .base.cra_priority = 300,
- .base.cra_blocksize = DES3_EDE_BLOCK_SIZE,
- .base.cra_ctxsize = sizeof(struct des3_ede_x86_ctx),
- .base.cra_module = THIS_MODULE,
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .ivsize = DES3_EDE_BLOCK_SIZE,
- .setkey = des3_ede_x86_setkey_skcipher,
- .encrypt = cbc_encrypt,
- .decrypt = cbc_decrypt,
- }
-};
-
-static bool is_blacklisted_cpu(void)
-{
- if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
- return false;
-
- if (boot_cpu_data.x86 == 0x0f) {
- /*
- * On Pentium 4, des3_ede-x86_64 is slower than generic C
- * implementation because use of 64bit rotates (which are really
- * slow on P4). Therefore blacklist P4s.
- */
- return true;
- }
-
- return false;
-}
-
-static int force;
-module_param(force, int, 0);
-MODULE_PARM_DESC(force, "Force module load, ignore CPU blacklist");
-
-static int __init des3_ede_x86_init(void)
-{
- int err;
-
- if (!force && is_blacklisted_cpu()) {
- pr_info("des3_ede-x86_64: performance on this CPU would be suboptimal: disabling des3_ede-x86_64.\n");
- return -ENODEV;
- }
-
- err = crypto_register_alg(&des3_ede_cipher);
- if (err)
- return err;
-
- err = crypto_register_skciphers(des3_ede_skciphers,
- ARRAY_SIZE(des3_ede_skciphers));
- if (err)
- crypto_unregister_alg(&des3_ede_cipher);
-
- return err;
-}
-
-static void __exit des3_ede_x86_fini(void)
-{
- crypto_unregister_alg(&des3_ede_cipher);
- crypto_unregister_skciphers(des3_ede_skciphers,
- ARRAY_SIZE(des3_ede_skciphers));
-}
-
-module_init(des3_ede_x86_init);
-module_exit(des3_ede_x86_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Triple DES EDE Cipher Algorithm, asm optimized");
-MODULE_ALIAS_CRYPTO("des3_ede");
-MODULE_ALIAS_CRYPTO("des3_ede-asm");
-MODULE_AUTHOR("Jussi Kivilinna <jussi.kivilinna@iki.fi>");
--
2.53.0