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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:25:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 10:25:58 -0800
commit27d189c02ba25851973c8582e419c0bded9f7e5b (patch)
treebe142d664bc4e3cec7ab2878a243343f46e897ee /arch/x86
parenta1703154200c390ab03c10224c586e815d3e31e8 (diff)
parent55db8387a5e8d07407f0b7c6b2526417a2bc6243 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (46 commits) hwrng: via_rng - Fix memory scribbling on some CPUs crypto: padlock - Move padlock.h into include/crypto hwrng: via_rng - Fix asm constraints crypto: n2 - use __devexit not __exit in n2_unregister_algs crypto: mark crypto workqueues CPU_INTENSIVE crypto: mv_cesa - dont return PTR_ERR() of wrong pointer crypto: ripemd - Set module author and update email address crypto: omap-sham - backlog handling fix crypto: gf128mul - Remove experimental tag crypto: af_alg - fix af_alg memory_allocated data type crypto: aesni-intel - Fixed build with binutils 2.16 crypto: af_alg - Make sure sk_security is initialized on accept()ed sockets net: Add missing lockdep class names for af_alg include: Install linux/if_alg.h for user-space crypto API crypto: omap-aes - checkpatch --file warning fixes crypto: omap-aes - initialize aes module once per request crypto: omap-aes - unnecessary code removed crypto: omap-aes - error handling implementation improved crypto: omap-aes - redundant locking is removed crypto: omap-aes - DMA initialization fixes for OMAP off mode ...
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/crypto/aesni-intel_asm.S1832
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c540
2 files changed, 2335 insertions, 37 deletions
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index ff16756a51c1..8fe2a4966b7a 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -9,6 +9,20 @@
* Vinodh Gopal <vinodh.gopal@intel.com>
* Kahraman Akdemir
*
+ * Added RFC4106 AES-GCM support for 128-bit keys under the AEAD
+ * interface for 64-bit kernels.
+ * Authors: Erdinc Ozturk (erdinc.ozturk@intel.com)
+ * Aidan O'Mahony (aidan.o.mahony@intel.com)
+ * Adrian Hoban <adrian.hoban@intel.com>
+ * James Guilford (james.guilford@intel.com)
+ * Gabriele Paoloni <gabriele.paoloni@intel.com>
+ * Tadeusz Struk (tadeusz.struk@intel.com)
+ * Wajdi Feghali (wajdi.k.feghali@intel.com)
+ * Copyright (c) 2010, Intel Corporation.
+ *
+ * Ported x86_64 version to x86:
+ * Author: Mathias Krause <minipli@googlemail.com>
+ *
* 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
@@ -18,8 +32,62 @@
#include <linux/linkage.h>
#include <asm/inst.h>
+#ifdef __x86_64__
+.data
+POLY: .octa 0xC2000000000000000000000000000001
+TWOONE: .octa 0x00000001000000000000000000000001
+
+# order of these constants should not change.
+# more specifically, ALL_F should follow SHIFT_MASK,
+# and ZERO should follow ALL_F
+
+SHUF_MASK: .octa 0x000102030405060708090A0B0C0D0E0F
+MASK1: .octa 0x0000000000000000ffffffffffffffff
+MASK2: .octa 0xffffffffffffffff0000000000000000
+SHIFT_MASK: .octa 0x0f0e0d0c0b0a09080706050403020100
+ALL_F: .octa 0xffffffffffffffffffffffffffffffff
+ZERO: .octa 0x00000000000000000000000000000000
+ONE: .octa 0x00000000000000000000000000000001
+F_MIN_MASK: .octa 0xf1f2f3f4f5f6f7f8f9fafbfcfdfeff0
+dec: .octa 0x1
+enc: .octa 0x2
+
+
.text
+
+#define STACK_OFFSET 8*3
+#define HashKey 16*0 // store HashKey <<1 mod poly here
+#define HashKey_2 16*1 // store HashKey^2 <<1 mod poly here
+#define HashKey_3 16*2 // store HashKey^3 <<1 mod poly here
+#define HashKey_4 16*3 // store HashKey^4 <<1 mod poly here
+#define HashKey_k 16*4 // store XOR of High 64 bits and Low 64
+ // bits of HashKey <<1 mod poly here
+ //(for Karatsuba purposes)
+#define HashKey_2_k 16*5 // store XOR of High 64 bits and Low 64
+ // bits of HashKey^2 <<1 mod poly here
+ // (for Karatsuba purposes)
+#define HashKey_3_k 16*6 // store XOR of High 64 bits and Low 64
+ // bits of HashKey^3 <<1 mod poly here
+ // (for Karatsuba purposes)
+#define HashKey_4_k 16*7 // store XOR of High 64 bits and Low 64
+ // bits of HashKey^4 <<1 mod poly here
+ // (for Karatsuba purposes)
+#define VARIABLE_OFFSET 16*8
+
+#define arg1 rdi
+#define arg2 rsi
+#define arg3 rdx
+#define arg4 rcx
+#define arg5 r8
+#define arg6 r9
+#define arg7 STACK_OFFSET+8(%r14)
+#define arg8 STACK_OFFSET+16(%r14)
+#define arg9 STACK_OFFSET+24(%r14)
+#define arg10 STACK_OFFSET+32(%r14)
+#endif
+
+
#define STATE1 %xmm0
#define STATE2 %xmm4
#define STATE3 %xmm5
@@ -32,12 +100,16 @@
#define IN IN1
#define KEY %xmm2
#define IV %xmm3
+
#define BSWAP_MASK %xmm10
#define CTR %xmm11
#define INC %xmm12
+#ifdef __x86_64__
+#define AREG %rax
#define KEYP %rdi
#define OUTP %rsi
+#define UKEYP OUTP
#define INP %rdx
#define LEN %rcx
#define IVP %r8
@@ -46,6 +118,1588 @@
#define TKEYP T1
#define T2 %r11
#define TCTR_LOW T2
+#else
+#define AREG %eax
+#define KEYP %edi
+#define OUTP AREG
+#define UKEYP OUTP
+#define INP %edx
+#define LEN %esi
+#define IVP %ebp
+#define KLEN %ebx
+#define T1 %ecx
+#define TKEYP T1
+#endif
+
+
+#ifdef __x86_64__
+/* GHASH_MUL MACRO to implement: Data*HashKey mod (128,127,126,121,0)
+*
+*
+* Input: A and B (128-bits each, bit-reflected)
+* Output: C = A*B*x mod poly, (i.e. >>1 )
+* To compute GH = GH*HashKey mod poly, give HK = HashKey<<1 mod poly as input
+* GH = GH * HK * x mod poly which is equivalent to GH*HashKey mod poly.
+*
+*/
+.macro GHASH_MUL GH HK TMP1 TMP2 TMP3 TMP4 TMP5
+ movdqa \GH, \TMP1
+ pshufd $78, \GH, \TMP2
+ pshufd $78, \HK, \TMP3
+ pxor \GH, \TMP2 # TMP2 = a1+a0
+ pxor \HK, \TMP3 # TMP3 = b1+b0
+ PCLMULQDQ 0x11, \HK, \TMP1 # TMP1 = a1*b1
+ PCLMULQDQ 0x00, \HK, \GH # GH = a0*b0
+ PCLMULQDQ 0x00, \TMP3, \TMP2 # TMP2 = (a0+a1)*(b1+b0)
+ pxor \GH, \TMP2
+ pxor \TMP1, \TMP2 # TMP2 = (a0*b0)+(a1*b0)
+ movdqa \TMP2, \TMP3
+ pslldq $8, \TMP3 # left shift TMP3 2 DWs
+ psrldq $8, \TMP2 # right shift TMP2 2 DWs
+ pxor \TMP3, \GH
+ pxor \TMP2, \TMP1 # TMP2:GH holds the result of GH*HK
+
+ # first phase of the reduction
+
+ movdqa \GH, \TMP2
+ movdqa \GH, \TMP3
+ movdqa \GH, \TMP4 # copy GH into TMP2,TMP3 and TMP4
+ # in in order to perform
+ # independent shifts
+ pslld $31, \TMP2 # packed right shift <<31
+ pslld $30, \TMP3 # packed right shift <<30
+ pslld $25, \TMP4 # packed right shift <<25
+ pxor \TMP3, \TMP2 # xor the shifted versions
+ pxor \TMP4, \TMP2
+ movdqa \TMP2, \TMP5
+ psrldq $4, \TMP5 # right shift TMP5 1 DW
+ pslldq $12, \TMP2 # left shift TMP2 3 DWs
+ pxor \TMP2, \GH
+
+ # second phase of the reduction
+
+ movdqa \GH,\TMP2 # copy GH into TMP2,TMP3 and TMP4
+ # in in order to perform
+ # independent shifts
+ movdqa \GH,\TMP3
+ movdqa \GH,\TMP4
+ psrld $1,\TMP2 # packed left shift >>1
+ psrld $2,\TMP3 # packed left shift >>2
+ psrld $7,\TMP4 # packed left shift >>7
+ pxor \TMP3,\TMP2 # xor the shifted versions
+ pxor \TMP4,\TMP2
+ pxor \TMP5, \TMP2
+ pxor \TMP2, \GH
+ pxor \TMP1, \GH # result is in TMP1
+.endm
+
+/*
+* if a = number of total plaintext bytes
+* b = floor(a/16)
+* num_initial_blocks = b mod 4
+* encrypt the initial num_initial_blocks blocks and apply ghash on
+* the ciphertext
+* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
+* are clobbered
+* arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified
+*/
+
+
+.macro INITIAL_BLOCKS_DEC num_initial_blocks TMP1 TMP2 TMP3 TMP4 TMP5 XMM0 XMM1 \
+XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
+ mov arg7, %r10 # %r10 = AAD
+ mov arg8, %r12 # %r12 = aadLen
+ mov %r12, %r11
+ pxor %xmm\i, %xmm\i
+_get_AAD_loop\num_initial_blocks\operation:
+ movd (%r10), \TMP1
+ pslldq $12, \TMP1
+ psrldq $4, %xmm\i
+ pxor \TMP1, %xmm\i
+ add $4, %r10
+ sub $4, %r12
+ jne _get_AAD_loop\num_initial_blocks\operation
+ cmp $16, %r11
+ je _get_AAD_loop2_done\num_initial_blocks\operation
+ mov $16, %r12
+_get_AAD_loop2\num_initial_blocks\operation:
+ psrldq $4, %xmm\i
+ sub $4, %r12
+ cmp %r11, %r12
+ jne _get_AAD_loop2\num_initial_blocks\operation
+_get_AAD_loop2_done\num_initial_blocks\operation:
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
+
+ xor %r11, %r11 # initialise the data pointer offset as zero
+
+ # start AES for num_initial_blocks blocks
+
+ mov %arg5, %rax # %rax = *Y0
+ movdqu (%rax), \XMM0 # XMM0 = Y0
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM0
+
+.if (\i == 5) || (\i == 6) || (\i == 7)
+.irpc index, \i_seq
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, %xmm\index
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\index # perform a 16 byte swap
+
+.endr
+.irpc index, \i_seq
+ pxor 16*0(%arg1), %xmm\index
+.endr
+.irpc index, \i_seq
+ movaps 0x10(%rdi), \TMP1
+ AESENC \TMP1, %xmm\index # Round 1
+.endr
+.irpc index, \i_seq
+ movaps 0x20(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x30(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x40(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x50(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x60(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x70(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x80(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x90(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0xa0(%arg1), \TMP1
+ AESENCLAST \TMP1, %xmm\index # Round 10
+.endr
+.irpc index, \i_seq
+ movdqu (%arg3 , %r11, 1), \TMP1
+ pxor \TMP1, %xmm\index
+ movdqu %xmm\index, (%arg2 , %r11, 1)
+ # write back plaintext/ciphertext for num_initial_blocks
+ add $16, %r11
+
+ movdqa \TMP1, %xmm\index
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\index
+
+ # prepare plaintext/ciphertext for GHASH computation
+.endr
+.endif
+ GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ # apply GHASH on num_initial_blocks blocks
+
+.if \i == 5
+ pxor %xmm5, %xmm6
+ GHASH_MUL %xmm6, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm6, %xmm7
+ GHASH_MUL %xmm7, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.elseif \i == 6
+ pxor %xmm6, %xmm7
+ GHASH_MUL %xmm7, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.elseif \i == 7
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.endif
+ cmp $64, %r13
+ jl _initial_blocks_done\num_initial_blocks\operation
+ # no need for precomputed values
+/*
+*
+* Precomputations for HashKey parallel with encryption of first 4 blocks.
+* Haskey_i_k holds XORed values of the low and high parts of the Haskey_i
+*/
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM1
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM1 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM2
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM2 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM3
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM3 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM4
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM4 # perform a 16 byte swap
+
+ pxor 16*0(%arg1), \XMM1
+ pxor 16*0(%arg1), \XMM2
+ pxor 16*0(%arg1), \XMM3
+ pxor 16*0(%arg1), \XMM4
+ movdqa \TMP3, \TMP5
+ pshufd $78, \TMP3, \TMP1
+ pxor \TMP3, \TMP1
+ movdqa \TMP1, HashKey_k(%rsp)
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^2<<1 (mod poly)
+ movdqa \TMP5, HashKey_2(%rsp)
+# HashKey_2 = HashKey^2<<1 (mod poly)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_2_k(%rsp)
+.irpc index, 1234 # do 4 rounds
+ movaps 0x10*\index(%arg1), \TMP1
+ AESENC \TMP1, \XMM1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+.endr
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^3<<1 (mod poly)
+ movdqa \TMP5, HashKey_3(%rsp)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_3_k(%rsp)
+.irpc index, 56789 # do next 5 rounds
+ movaps 0x10*\index(%arg1), \TMP1
+ AESENC \TMP1, \XMM1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+.endr
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^3<<1 (mod poly)
+ movdqa \TMP5, HashKey_4(%rsp)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_4_k(%rsp)
+ movaps 0xa0(%arg1), \TMP2
+ AESENCLAST \TMP2, \XMM1
+ AESENCLAST \TMP2, \XMM2
+ AESENCLAST \TMP2, \XMM3
+ AESENCLAST \TMP2, \XMM4
+ movdqu 16*0(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM1
+ movdqu \XMM1, 16*0(%arg2 , %r11 , 1)
+ movdqa \TMP1, \XMM1
+ movdqu 16*1(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM2
+ movdqu \XMM2, 16*1(%arg2 , %r11 , 1)
+ movdqa \TMP1, \XMM2
+ movdqu 16*2(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM3
+ movdqu \XMM3, 16*2(%arg2 , %r11 , 1)
+ movdqa \TMP1, \XMM3
+ movdqu 16*3(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM4
+ movdqu \XMM4, 16*3(%arg2 , %r11 , 1)
+ movdqa \TMP1, \XMM4
+ add $64, %r11
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM1 # perform a 16 byte swap
+ pxor \XMMDst, \XMM1
+# combine GHASHed value with the corresponding ciphertext
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM2 # perform a 16 byte swap
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM3 # perform a 16 byte swap
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM4 # perform a 16 byte swap
+
+_initial_blocks_done\num_initial_blocks\operation:
+
+.endm
+
+
+/*
+* if a = number of total plaintext bytes
+* b = floor(a/16)
+* num_initial_blocks = b mod 4
+* encrypt the initial num_initial_blocks blocks and apply ghash on
+* the ciphertext
+* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers
+* are clobbered
+* arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified
+*/
+
+
+.macro INITIAL_BLOCKS_ENC num_initial_blocks TMP1 TMP2 TMP3 TMP4 TMP5 XMM0 XMM1 \
+XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation
+ mov arg7, %r10 # %r10 = AAD
+ mov arg8, %r12 # %r12 = aadLen
+ mov %r12, %r11
+ pxor %xmm\i, %xmm\i
+_get_AAD_loop\num_initial_blocks\operation:
+ movd (%r10), \TMP1
+ pslldq $12, \TMP1
+ psrldq $4, %xmm\i
+ pxor \TMP1, %xmm\i
+ add $4, %r10
+ sub $4, %r12
+ jne _get_AAD_loop\num_initial_blocks\operation
+ cmp $16, %r11
+ je _get_AAD_loop2_done\num_initial_blocks\operation
+ mov $16, %r12
+_get_AAD_loop2\num_initial_blocks\operation:
+ psrldq $4, %xmm\i
+ sub $4, %r12
+ cmp %r11, %r12
+ jne _get_AAD_loop2\num_initial_blocks\operation
+_get_AAD_loop2_done\num_initial_blocks\operation:
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data
+
+ xor %r11, %r11 # initialise the data pointer offset as zero
+
+ # start AES for num_initial_blocks blocks
+
+ mov %arg5, %rax # %rax = *Y0
+ movdqu (%rax), \XMM0 # XMM0 = Y0
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM0
+
+.if (\i == 5) || (\i == 6) || (\i == 7)
+.irpc index, \i_seq
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, %xmm\index
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\index # perform a 16 byte swap
+
+.endr
+.irpc index, \i_seq
+ pxor 16*0(%arg1), %xmm\index
+.endr
+.irpc index, \i_seq
+ movaps 0x10(%rdi), \TMP1
+ AESENC \TMP1, %xmm\index # Round 1
+.endr
+.irpc index, \i_seq
+ movaps 0x20(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x30(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x40(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x50(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x60(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x70(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x80(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0x90(%arg1), \TMP1
+ AESENC \TMP1, %xmm\index # Round 2
+.endr
+.irpc index, \i_seq
+ movaps 0xa0(%arg1), \TMP1
+ AESENCLAST \TMP1, %xmm\index # Round 10
+.endr
+.irpc index, \i_seq
+ movdqu (%arg3 , %r11, 1), \TMP1
+ pxor \TMP1, %xmm\index
+ movdqu %xmm\index, (%arg2 , %r11, 1)
+ # write back plaintext/ciphertext for num_initial_blocks
+ add $16, %r11
+
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, %xmm\index
+
+ # prepare plaintext/ciphertext for GHASH computation
+.endr
+.endif
+ GHASH_MUL %xmm\i, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ # apply GHASH on num_initial_blocks blocks
+
+.if \i == 5
+ pxor %xmm5, %xmm6
+ GHASH_MUL %xmm6, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm6, %xmm7
+ GHASH_MUL %xmm7, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.elseif \i == 6
+ pxor %xmm6, %xmm7
+ GHASH_MUL %xmm7, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.elseif \i == 7
+ pxor %xmm7, %xmm8
+ GHASH_MUL %xmm8, \TMP3, \TMP1, \TMP2, \TMP4, \TMP5, \XMM1
+.endif
+ cmp $64, %r13
+ jl _initial_blocks_done\num_initial_blocks\operation
+ # no need for precomputed values
+/*
+*
+* Precomputations for HashKey parallel with encryption of first 4 blocks.
+* Haskey_i_k holds XORed values of the low and high parts of the Haskey_i
+*/
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM1
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM1 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM2
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM2 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM3
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM3 # perform a 16 byte swap
+
+ paddd ONE(%rip), \XMM0 # INCR Y0
+ movdqa \XMM0, \XMM4
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM4 # perform a 16 byte swap
+
+ pxor 16*0(%arg1), \XMM1
+ pxor 16*0(%arg1), \XMM2
+ pxor 16*0(%arg1), \XMM3
+ pxor 16*0(%arg1), \XMM4
+ movdqa \TMP3, \TMP5
+ pshufd $78, \TMP3, \TMP1
+ pxor \TMP3, \TMP1
+ movdqa \TMP1, HashKey_k(%rsp)
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^2<<1 (mod poly)
+ movdqa \TMP5, HashKey_2(%rsp)
+# HashKey_2 = HashKey^2<<1 (mod poly)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_2_k(%rsp)
+.irpc index, 1234 # do 4 rounds
+ movaps 0x10*\index(%arg1), \TMP1
+ AESENC \TMP1, \XMM1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+.endr
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^3<<1 (mod poly)
+ movdqa \TMP5, HashKey_3(%rsp)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_3_k(%rsp)
+.irpc index, 56789 # do next 5 rounds
+ movaps 0x10*\index(%arg1), \TMP1
+ AESENC \TMP1, \XMM1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+.endr
+ GHASH_MUL \TMP5, \TMP3, \TMP1, \TMP2, \TMP4, \TMP6, \TMP7
+# TMP5 = HashKey^3<<1 (mod poly)
+ movdqa \TMP5, HashKey_4(%rsp)
+ pshufd $78, \TMP5, \TMP1
+ pxor \TMP5, \TMP1
+ movdqa \TMP1, HashKey_4_k(%rsp)
+ movaps 0xa0(%arg1), \TMP2
+ AESENCLAST \TMP2, \XMM1
+ AESENCLAST \TMP2, \XMM2
+ AESENCLAST \TMP2, \XMM3
+ AESENCLAST \TMP2, \XMM4
+ movdqu 16*0(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM1
+ movdqu 16*1(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM2
+ movdqu 16*2(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM3
+ movdqu 16*3(%arg3 , %r11 , 1), \TMP1
+ pxor \TMP1, \XMM4
+ movdqu \XMM1, 16*0(%arg2 , %r11 , 1)
+ movdqu \XMM2, 16*1(%arg2 , %r11 , 1)
+ movdqu \XMM3, 16*2(%arg2 , %r11 , 1)
+ movdqu \XMM4, 16*3(%arg2 , %r11 , 1)
+
+ add $64, %r11
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM1 # perform a 16 byte swap
+ pxor \XMMDst, \XMM1
+# combine GHASHed value with the corresponding ciphertext
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM2 # perform a 16 byte swap
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM3 # perform a 16 byte swap
+ movdqa SHUF_MASK(%rip), %xmm14
+ PSHUFB_XMM %xmm14, \XMM4 # perform a 16 byte swap
+
+_initial_blocks_done\num_initial_blocks\operation:
+
+.endm
+
+/*
+* encrypt 4 blocks at a time
+* ghash the 4 previously encrypted ciphertext blocks
+* arg1, %arg2, %arg3 are used as pointers only, not modified
+* %r11 is the data offset value
+*/
+.macro GHASH_4_ENCRYPT_4_PARALLEL_ENC TMP1 TMP2 TMP3 TMP4 TMP5 \
+TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
+
+ movdqa \XMM1, \XMM5
+ movdqa \XMM2, \XMM6
+ movdqa \XMM3, \XMM7
+ movdqa \XMM4, \XMM8
+
+ movdqa SHUF_MASK(%rip), %xmm15
+ # multiply TMP5 * HashKey using karatsuba
+
+ movdqa \XMM5, \TMP4
+ pshufd $78, \XMM5, \TMP6
+ pxor \XMM5, \TMP6
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa HashKey_4(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP4 # TMP4 = a1*b1
+ movdqa \XMM0, \XMM1
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM2
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM3
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM4
+ PSHUFB_XMM %xmm15, \XMM1 # perform a 16 byte swap
+ PCLMULQDQ 0x00, \TMP5, \XMM5 # XMM5 = a0*b0
+ PSHUFB_XMM %xmm15, \XMM2 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM3 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM4 # perform a 16 byte swap
+
+ pxor (%arg1), \XMM1
+ pxor (%arg1), \XMM2
+ pxor (%arg1), \XMM3
+ pxor (%arg1), \XMM4
+ movdqa HashKey_4_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP6 # TMP6 = (a1+a0)*(b1+b0)
+ movaps 0x10(%arg1), \TMP1
+ AESENC \TMP1, \XMM1 # Round 1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+ movaps 0x20(%arg1), \TMP1
+ AESENC \TMP1, \XMM1 # Round 2
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+ movdqa \XMM6, \TMP1
+ pshufd $78, \XMM6, \TMP2
+ pxor \XMM6, \TMP2
+ movdqa HashKey_3(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1 * b1
+ movaps 0x30(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 3
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM6 # XMM6 = a0*b0
+ movaps 0x40(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 4
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ movdqa HashKey_3_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movaps 0x50(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 5
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ pxor \TMP1, \TMP4
+# accumulate the results in TMP4:XMM5, TMP6 holds the middle part
+ pxor \XMM6, \XMM5
+ pxor \TMP2, \TMP6
+ movdqa \XMM7, \TMP1
+ pshufd $78, \XMM7, \TMP2
+ pxor \XMM7, \TMP2
+ movdqa HashKey_2(%rsp ), \TMP5
+
+ # Multiply TMP5 * HashKey using karatsuba
+
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1*b1
+ movaps 0x60(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 6
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM7 # XMM7 = a0*b0
+ movaps 0x70(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 7
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ movdqa HashKey_2_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movaps 0x80(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 8
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ pxor \TMP1, \TMP4
+# accumulate the results in TMP4:XMM5, TMP6 holds the middle part
+ pxor \XMM7, \XMM5
+ pxor \TMP2, \TMP6
+
+ # Multiply XMM8 * HashKey
+ # XMM8 and TMP5 hold the values for the two operands
+
+ movdqa \XMM8, \TMP1
+ pshufd $78, \XMM8, \TMP2
+ pxor \XMM8, \TMP2
+ movdqa HashKey(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1*b1
+ movaps 0x90(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 9
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM8 # XMM8 = a0*b0
+ movaps 0xa0(%arg1), \TMP3
+ AESENCLAST \TMP3, \XMM1 # Round 10
+ AESENCLAST \TMP3, \XMM2
+ AESENCLAST \TMP3, \XMM3
+ AESENCLAST \TMP3, \XMM4
+ movdqa HashKey_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movdqu (%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM1 # Ciphertext/Plaintext XOR EK
+ movdqu 16(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM2 # Ciphertext/Plaintext XOR EK
+ movdqu 32(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM3 # Ciphertext/Plaintext XOR EK
+ movdqu 48(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM4 # Ciphertext/Plaintext XOR EK
+ movdqu \XMM1, (%arg2,%r11,1) # Write to the ciphertext buffer
+ movdqu \XMM2, 16(%arg2,%r11,1) # Write to the ciphertext buffer
+ movdqu \XMM3, 32(%arg2,%r11,1) # Write to the ciphertext buffer
+ movdqu \XMM4, 48(%arg2,%r11,1) # Write to the ciphertext buffer
+ PSHUFB_XMM %xmm15, \XMM1 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM2 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM3 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM4 # perform a 16 byte swap
+
+ pxor \TMP4, \TMP1
+ pxor \XMM8, \XMM5
+ pxor \TMP6, \TMP2
+ pxor \TMP1, \TMP2
+ pxor \XMM5, \TMP2
+ movdqa \TMP2, \TMP3
+ pslldq $8, \TMP3 # left shift TMP3 2 DWs
+ psrldq $8, \TMP2 # right shift TMP2 2 DWs
+ pxor \TMP3, \XMM5
+ pxor \TMP2, \TMP1 # accumulate the results in TMP1:XMM5
+
+ # first phase of reduction
+
+ movdqa \XMM5, \TMP2
+ movdqa \XMM5, \TMP3
+ movdqa \XMM5, \TMP4
+# move XMM5 into TMP2, TMP3, TMP4 in order to perform shifts independently
+ pslld $31, \TMP2 # packed right shift << 31
+ pslld $30, \TMP3 # packed right shift << 30
+ pslld $25, \TMP4 # packed right shift << 25
+ pxor \TMP3, \TMP2 # xor the shifted versions
+ pxor \TMP4, \TMP2
+ movdqa \TMP2, \TMP5
+ psrldq $4, \TMP5 # right shift T5 1 DW
+ pslldq $12, \TMP2 # left shift T2 3 DWs
+ pxor \TMP2, \XMM5
+
+ # second phase of reduction
+
+ movdqa \XMM5,\TMP2 # make 3 copies of XMM5 into TMP2, TMP3, TMP4
+ movdqa \XMM5,\TMP3
+ movdqa \XMM5,\TMP4
+ psrld $1, \TMP2 # packed left shift >>1
+ psrld $2, \TMP3 # packed left shift >>2
+ psrld $7, \TMP4 # packed left shift >>7
+ pxor \TMP3,\TMP2 # xor the shifted versions
+ pxor \TMP4,\TMP2
+ pxor \TMP5, \TMP2
+ pxor \TMP2, \XMM5
+ pxor \TMP1, \XMM5 # result is in TMP1
+
+ pxor \XMM5, \XMM1
+.endm
+
+/*
+* decrypt 4 blocks at a time
+* ghash the 4 previously decrypted ciphertext blocks
+* arg1, %arg2, %arg3 are used as pointers only, not modified
+* %r11 is the data offset value
+*/
+.macro GHASH_4_ENCRYPT_4_PARALLEL_DEC TMP1 TMP2 TMP3 TMP4 TMP5 \
+TMP6 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 operation
+
+ movdqa \XMM1, \XMM5
+ movdqa \XMM2, \XMM6
+ movdqa \XMM3, \XMM7
+ movdqa \XMM4, \XMM8
+
+ movdqa SHUF_MASK(%rip), %xmm15
+ # multiply TMP5 * HashKey using karatsuba
+
+ movdqa \XMM5, \TMP4
+ pshufd $78, \XMM5, \TMP6
+ pxor \XMM5, \TMP6
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa HashKey_4(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP4 # TMP4 = a1*b1
+ movdqa \XMM0, \XMM1
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM2
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM3
+ paddd ONE(%rip), \XMM0 # INCR CNT
+ movdqa \XMM0, \XMM4
+ PSHUFB_XMM %xmm15, \XMM1 # perform a 16 byte swap
+ PCLMULQDQ 0x00, \TMP5, \XMM5 # XMM5 = a0*b0
+ PSHUFB_XMM %xmm15, \XMM2 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM3 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM4 # perform a 16 byte swap
+
+ pxor (%arg1), \XMM1
+ pxor (%arg1), \XMM2
+ pxor (%arg1), \XMM3
+ pxor (%arg1), \XMM4
+ movdqa HashKey_4_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP6 # TMP6 = (a1+a0)*(b1+b0)
+ movaps 0x10(%arg1), \TMP1
+ AESENC \TMP1, \XMM1 # Round 1
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+ movaps 0x20(%arg1), \TMP1
+ AESENC \TMP1, \XMM1 # Round 2
+ AESENC \TMP1, \XMM2
+ AESENC \TMP1, \XMM3
+ AESENC \TMP1, \XMM4
+ movdqa \XMM6, \TMP1
+ pshufd $78, \XMM6, \TMP2
+ pxor \XMM6, \TMP2
+ movdqa HashKey_3(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1 * b1
+ movaps 0x30(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 3
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM6 # XMM6 = a0*b0
+ movaps 0x40(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 4
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ movdqa HashKey_3_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movaps 0x50(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 5
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ pxor \TMP1, \TMP4
+# accumulate the results in TMP4:XMM5, TMP6 holds the middle part
+ pxor \XMM6, \XMM5
+ pxor \TMP2, \TMP6
+ movdqa \XMM7, \TMP1
+ pshufd $78, \XMM7, \TMP2
+ pxor \XMM7, \TMP2
+ movdqa HashKey_2(%rsp ), \TMP5
+
+ # Multiply TMP5 * HashKey using karatsuba
+
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1*b1
+ movaps 0x60(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 6
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM7 # XMM7 = a0*b0
+ movaps 0x70(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 7
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ movdqa HashKey_2_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movaps 0x80(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 8
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ pxor \TMP1, \TMP4
+# accumulate the results in TMP4:XMM5, TMP6 holds the middle part
+ pxor \XMM7, \XMM5
+ pxor \TMP2, \TMP6
+
+ # Multiply XMM8 * HashKey
+ # XMM8 and TMP5 hold the values for the two operands
+
+ movdqa \XMM8, \TMP1
+ pshufd $78, \XMM8, \TMP2
+ pxor \XMM8, \TMP2
+ movdqa HashKey(%rsp), \TMP5
+ PCLMULQDQ 0x11, \TMP5, \TMP1 # TMP1 = a1*b1
+ movaps 0x90(%arg1), \TMP3
+ AESENC \TMP3, \XMM1 # Round 9
+ AESENC \TMP3, \XMM2
+ AESENC \TMP3, \XMM3
+ AESENC \TMP3, \XMM4
+ PCLMULQDQ 0x00, \TMP5, \XMM8 # XMM8 = a0*b0
+ movaps 0xa0(%arg1), \TMP3
+ AESENCLAST \TMP3, \XMM1 # Round 10
+ AESENCLAST \TMP3, \XMM2
+ AESENCLAST \TMP3, \XMM3
+ AESENCLAST \TMP3, \XMM4
+ movdqa HashKey_k(%rsp), \TMP5
+ PCLMULQDQ 0x00, \TMP5, \TMP2 # TMP2 = (a1+a0)*(b1+b0)
+ movdqu (%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM1 # Ciphertext/Plaintext XOR EK
+ movdqu \XMM1, (%arg2,%r11,1) # Write to plaintext buffer
+ movdqa \TMP3, \XMM1
+ movdqu 16(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM2 # Ciphertext/Plaintext XOR EK
+ movdqu \XMM2, 16(%arg2,%r11,1) # Write to plaintext buffer
+ movdqa \TMP3, \XMM2
+ movdqu 32(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM3 # Ciphertext/Plaintext XOR EK
+ movdqu \XMM3, 32(%arg2,%r11,1) # Write to plaintext buffer
+ movdqa \TMP3, \XMM3
+ movdqu 48(%arg3,%r11,1), \TMP3
+ pxor \TMP3, \XMM4 # Ciphertext/Plaintext XOR EK
+ movdqu \XMM4, 48(%arg2,%r11,1) # Write to plaintext buffer
+ movdqa \TMP3, \XMM4
+ PSHUFB_XMM %xmm15, \XMM1 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM2 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM3 # perform a 16 byte swap
+ PSHUFB_XMM %xmm15, \XMM4 # perform a 16 byte swap
+
+ pxor \TMP4, \TMP1
+ pxor \XMM8, \XMM5
+ pxor \TMP6, \TMP2
+ pxor \TMP1, \TMP2
+ pxor \XMM5, \TMP2
+ movdqa \TMP2, \TMP3
+ pslldq $8, \TMP3 # left shift TMP3 2 DWs
+ psrldq $8, \TMP2 # right shift TMP2 2 DWs
+ pxor \TMP3, \XMM5
+ pxor \TMP2, \TMP1 # accumulate the results in TMP1:XMM5
+
+ # first phase of reduction
+
+ movdqa \XMM5, \TMP2
+ movdqa \XMM5, \TMP3
+ movdqa \XMM5, \TMP4
+# move XMM5 into TMP2, TMP3, TMP4 in order to perform shifts independently
+ pslld $31, \TMP2 # packed right shift << 31
+ pslld $30, \TMP3 # packed right shift << 30
+ pslld $25, \TMP4 # packed right shift << 25
+ pxor \TMP3, \TMP2 # xor the shifted versions
+ pxor \TMP4, \TMP2
+ movdqa \TMP2, \TMP5
+ psrldq $4, \TMP5 # right shift T5 1 DW
+ pslldq $12, \TMP2 # left shift T2 3 DWs
+ pxor \TMP2, \XMM5
+
+ # second phase of reduction
+
+ movdqa \XMM5,\TMP2 # make 3 copies of XMM5 into TMP2, TMP3, TMP4
+ movdqa \XMM5,\TMP3
+ movdqa