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dockerfile/examples/openssl/openssl-3.2.1-src/crypto/sha/asm/keccak1600-armv8.pl

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#!/usr/bin/env perl
# Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
#
# ====================================================================
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
# ====================================================================
#
# Keccak-1600 for ARMv8.
#
# June 2017.
#
# This is straightforward KECCAK_1X_ALT implementation. It makes no
# sense to attempt SIMD/NEON implementation for following reason.
# 64-bit lanes of vector registers can't be addressed as easily as in
# 32-bit mode. This means that 64-bit NEON is bound to be slower than
# 32-bit NEON, and this implementation is faster than 32-bit NEON on
# same processor. Even though it takes more scalar xor's and andn's,
# it gets compensated by availability of rotate. Not to forget that
# most processors achieve higher issue rate with scalar instructions.
#
# February 2018.
#
# Add hardware-assisted ARMv8.2 implementation. It's KECCAK_1X_ALT
# variant with register permutation/rotation twist that allows to
# eliminate copies to temporary registers. If you look closely you'll
# notice that it uses only one lane of vector registers. The new
# instructions effectively facilitate parallel hashing, which we don't
# support [yet?]. But lowest-level core procedure is prepared for it.
# The inner round is 67 [vector] instructions, so it's not actually
# obvious that it will provide performance improvement [in serial
# hash] as long as vector instructions issue rate is limited to 1 per
# cycle...
#
######################################################################
# Numbers are cycles per processed byte.
#
# r=1088(*)
#
# Cortex-A53 13
# Cortex-A57 12
# X-Gene 14
# Mongoose 10
# Kryo 12
# Denver 7.8
# Apple A7 7.2
# ThunderX2 9.7
#
# (*) Corresponds to SHA3-256. No improvement coefficients are listed
# because they vary too much from compiler to compiler. Newer
# compiler does much better and improvement varies from 5% on
# Cortex-A57 to 25% on Cortex-A53. While in comparison to older
# compiler this code is at least 2x faster...
# $output is the last argument if it looks like a file (it has an extension)
# $flavour is the first argument if it doesn't look like a file
$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
die "can't locate arm-xlate.pl";
open OUT,"| \"$^X\" $xlate $flavour \"$output\""
or die "can't call $xlate: $!";
*STDOUT=*OUT;
my @rhotates = ([ 0, 1, 62, 28, 27 ],
[ 36, 44, 6, 55, 20 ],
[ 3, 10, 43, 25, 39 ],
[ 41, 45, 15, 21, 8 ],
[ 18, 2, 61, 56, 14 ]);
$code.=<<___;
#include "arm_arch.h"
.text
.align 8 // strategic alignment and padding that allows to use
// address value as loop termination condition...
.quad 0,0,0,0,0,0,0,0
.type iotas,%object
iotas:
.quad 0x0000000000000001
.quad 0x0000000000008082
.quad 0x800000000000808a
.quad 0x8000000080008000
.quad 0x000000000000808b
.quad 0x0000000080000001
.quad 0x8000000080008081
.quad 0x8000000000008009
.quad 0x000000000000008a
.quad 0x0000000000000088
.quad 0x0000000080008009
.quad 0x000000008000000a
.quad 0x000000008000808b
.quad 0x800000000000008b
.quad 0x8000000000008089
.quad 0x8000000000008003
.quad 0x8000000000008002
.quad 0x8000000000000080
.quad 0x000000000000800a
.quad 0x800000008000000a
.quad 0x8000000080008081
.quad 0x8000000000008080
.quad 0x0000000080000001
.quad 0x8000000080008008
.size iotas,.-iotas
___
{{{
my @A = map([ "x$_", "x".($_+1), "x".($_+2), "x".($_+3), "x".($_+4) ],
(0, 5, 10, 15, 20));
$A[3][3] = "x25"; # x18 is reserved
my @C = map("x$_", (26,27,28,30));
$code.=<<___;
.type KeccakF1600_int,%function
.align 5
KeccakF1600_int:
AARCH64_SIGN_LINK_REGISTER
adr $C[2],iotas
stp $C[2],x30,[sp,#16] // 32 bytes on top are mine
b .Loop
.align 4
.Loop:
////////////////////////////////////////// Theta
eor $C[0],$A[0][0],$A[1][0]
stp $A[0][4],$A[1][4],[sp,#0] // offload pair...
eor $C[1],$A[0][1],$A[1][1]
eor $C[2],$A[0][2],$A[1][2]
eor $C[3],$A[0][3],$A[1][3]
___
$C[4]=$A[0][4];
$C[5]=$A[1][4];
$code.=<<___;
eor $C[4],$A[0][4],$A[1][4]
eor $C[0],$C[0],$A[2][0]
eor $C[1],$C[1],$A[2][1]
eor $C[2],$C[2],$A[2][2]
eor $C[3],$C[3],$A[2][3]
eor $C[4],$C[4],$A[2][4]
eor $C[0],$C[0],$A[3][0]
eor $C[1],$C[1],$A[3][1]
eor $C[2],$C[2],$A[3][2]
eor $C[3],$C[3],$A[3][3]
eor $C[4],$C[4],$A[3][4]
eor $C[0],$C[0],$A[4][0]
eor $C[2],$C[2],$A[4][2]
eor $C[1],$C[1],$A[4][1]
eor $C[3],$C[3],$A[4][3]
eor $C[4],$C[4],$A[4][4]
eor $C[5],$C[0],$C[2],ror#63
eor $A[0][1],$A[0][1],$C[5]
eor $A[1][1],$A[1][1],$C[5]
eor $A[2][1],$A[2][1],$C[5]
eor $A[3][1],$A[3][1],$C[5]
eor $A[4][1],$A[4][1],$C[5]
eor $C[5],$C[1],$C[3],ror#63
eor $C[2],$C[2],$C[4],ror#63
eor $C[3],$C[3],$C[0],ror#63
eor $C[4],$C[4],$C[1],ror#63
eor $C[1], $A[0][2],$C[5] // mov $C[1],$A[0][2]
eor $A[1][2],$A[1][2],$C[5]
eor $A[2][2],$A[2][2],$C[5]
eor $A[3][2],$A[3][2],$C[5]
eor $A[4][2],$A[4][2],$C[5]
eor $A[0][0],$A[0][0],$C[4]
eor $A[1][0],$A[1][0],$C[4]
eor $A[2][0],$A[2][0],$C[4]
eor $A[3][0],$A[3][0],$C[4]
eor $A[4][0],$A[4][0],$C[4]
___
$C[4]=undef;
$C[5]=undef;
$code.=<<___;
ldp $A[0][4],$A[1][4],[sp,#0] // re-load offloaded data
eor $C[0], $A[0][3],$C[2] // mov $C[0],$A[0][3]
eor $A[1][3],$A[1][3],$C[2]
eor $A[2][3],$A[2][3],$C[2]
eor $A[3][3],$A[3][3],$C[2]
eor $A[4][3],$A[4][3],$C[2]
eor $C[2], $A[0][4],$C[3] // mov $C[2],$A[0][4]
eor $A[1][4],$A[1][4],$C[3]
eor $A[2][4],$A[2][4],$C[3]
eor $A[3][4],$A[3][4],$C[3]
eor $A[4][4],$A[4][4],$C[3]
////////////////////////////////////////// Rho+Pi
mov $C[3],$A[0][1]
ror $A[0][1],$A[1][1],#64-$rhotates[1][1]
//mov $C[1],$A[0][2]
ror $A[0][2],$A[2][2],#64-$rhotates[2][2]
//mov $C[0],$A[0][3]
ror $A[0][3],$A[3][3],#64-$rhotates[3][3]
//mov $C[2],$A[0][4]
ror $A[0][4],$A[4][4],#64-$rhotates[4][4]
ror $A[1][1],$A[1][4],#64-$rhotates[1][4]
ror $A[2][2],$A[2][3],#64-$rhotates[2][3]
ror $A[3][3],$A[3][2],#64-$rhotates[3][2]
ror $A[4][4],$A[4][1],#64-$rhotates[4][1]
ror $A[1][4],$A[4][2],#64-$rhotates[4][2]
ror $A[2][3],$A[3][4],#64-$rhotates[3][4]
ror $A[3][2],$A[2][1],#64-$rhotates[2][1]
ror $A[4][1],$A[1][3],#64-$rhotates[1][3]
ror $A[4][2],$A[2][4],#64-$rhotates[2][4]
ror $A[3][4],$A[4][3],#64-$rhotates[4][3]
ror $A[2][1],$A[1][2],#64-$rhotates[1][2]
ror $A[1][3],$A[3][1],#64-$rhotates[3][1]
ror $A[2][4],$A[4][0],#64-$rhotates[4][0]
ror $A[4][3],$A[3][0],#64-$rhotates[3][0]
ror $A[1][2],$A[2][0],#64-$rhotates[2][0]
ror $A[3][1],$A[1][0],#64-$rhotates[1][0]
ror $A[1][0],$C[0],#64-$rhotates[0][3]
ror $A[2][0],$C[3],#64-$rhotates[0][1]
ror $A[3][0],$C[2],#64-$rhotates[0][4]
ror $A[4][0],$C[1],#64-$rhotates[0][2]
////////////////////////////////////////// Chi+Iota
bic $C[0],$A[0][2],$A[0][1]
bic $C[1],$A[0][3],$A[0][2]
bic $C[2],$A[0][0],$A[0][4]
bic $C[3],$A[0][1],$A[0][0]
eor $A[0][0],$A[0][0],$C[0]
bic $C[0],$A[0][4],$A[0][3]
eor $A[0][1],$A[0][1],$C[1]
ldr $C[1],[sp,#16]
eor $A[0][3],$A[0][3],$C[2]
eor $A[0][4],$A[0][4],$C[3]
eor $A[0][2],$A[0][2],$C[0]
ldr $C[3],[$C[1]],#8 // Iota[i++]
bic $C[0],$A[1][2],$A[1][1]
tst $C[1],#255 // are we done?
str $C[1],[sp,#16]
bic $C[1],$A[1][3],$A[1][2]
bic $C[2],$A[1][0],$A[1][4]
eor $A[0][0],$A[0][0],$C[3] // A[0][0] ^= Iota
bic $C[3],$A[1][1],$A[1][0]
eor $A[1][0],$A[1][0],$C[0]
bic $C[0],$A[1][4],$A[1][3]
eor $A[1][1],$A[1][1],$C[1]
eor $A[1][3],$A[1][3],$C[2]
eor $A[1][4],$A[1][4],$C[3]
eor $A[1][2],$A[1][2],$C[0]
bic $C[0],$A[2][2],$A[2][1]
bic $C[1],$A[2][3],$A[2][2]
bic $C[2],$A[2][0],$A[2][4]
bic $C[3],$A[2][1],$A[2][0]
eor $A[2][0],$A[2][0],$C[0]
bic $C[0],$A[2][4],$A[2][3]
eor $A[2][1],$A[2][1],$C[1]
eor $A[2][3],$A[2][3],$C[2]
eor $A[2][4],$A[2][4],$C[3]
eor $A[2][2],$A[2][2],$C[0]
bic $C[0],$A[3][2],$A[3][1]
bic $C[1],$A[3][3],$A[3][2]
bic $C[2],$A[3][0],$A[3][4]
bic $C[3],$A[3][1],$A[3][0]
eor $A[3][0],$A[3][0],$C[0]
bic $C[0],$A[3][4],$A[3][3]
eor $A[3][1],$A[3][1],$C[1]
eor $A[3][3],$A[3][3],$C[2]
eor $A[3][4],$A[3][4],$C[3]
eor $A[3][2],$A[3][2],$C[0]
bic $C[0],$A[4][2],$A[4][1]
bic $C[1],$A[4][3],$A[4][2]
bic $C[2],$A[4][0],$A[4][4]
bic $C[3],$A[4][1],$A[4][0]
eor $A[4][0],$A[4][0],$C[0]
bic $C[0],$A[4][4],$A[4][3]
eor $A[4][1],$A[4][1],$C[1]
eor $A[4][3],$A[4][3],$C[2]
eor $A[4][4],$A[4][4],$C[3]
eor $A[4][2],$A[4][2],$C[0]
bne .Loop
ldr x30,[sp,#24]
AARCH64_VALIDATE_LINK_REGISTER
ret
.size KeccakF1600_int,.-KeccakF1600_int
.type KeccakF1600,%function
.align 5
KeccakF1600:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-128]!
add x29,sp,#0
stp x19,x20,[sp,#16]
stp x21,x22,[sp,#32]
stp x23,x24,[sp,#48]
stp x25,x26,[sp,#64]
stp x27,x28,[sp,#80]
sub sp,sp,#48
str x0,[sp,#32] // offload argument
mov $C[0],x0
ldp $A[0][0],$A[0][1],[x0,#16*0]
ldp $A[0][2],$A[0][3],[$C[0],#16*1]
ldp $A[0][4],$A[1][0],[$C[0],#16*2]
ldp $A[1][1],$A[1][2],[$C[0],#16*3]
ldp $A[1][3],$A[1][4],[$C[0],#16*4]
ldp $A[2][0],$A[2][1],[$C[0],#16*5]
ldp $A[2][2],$A[2][3],[$C[0],#16*6]
ldp $A[2][4],$A[3][0],[$C[0],#16*7]
ldp $A[3][1],$A[3][2],[$C[0],#16*8]
ldp $A[3][3],$A[3][4],[$C[0],#16*9]
ldp $A[4][0],$A[4][1],[$C[0],#16*10]
ldp $A[4][2],$A[4][3],[$C[0],#16*11]
ldr $A[4][4],[$C[0],#16*12]
bl KeccakF1600_int
ldr $C[0],[sp,#32]
stp $A[0][0],$A[0][1],[$C[0],#16*0]
stp $A[0][2],$A[0][3],[$C[0],#16*1]
stp $A[0][4],$A[1][0],[$C[0],#16*2]
stp $A[1][1],$A[1][2],[$C[0],#16*3]
stp $A[1][3],$A[1][4],[$C[0],#16*4]
stp $A[2][0],$A[2][1],[$C[0],#16*5]
stp $A[2][2],$A[2][3],[$C[0],#16*6]
stp $A[2][4],$A[3][0],[$C[0],#16*7]
stp $A[3][1],$A[3][2],[$C[0],#16*8]
stp $A[3][3],$A[3][4],[$C[0],#16*9]
stp $A[4][0],$A[4][1],[$C[0],#16*10]
stp $A[4][2],$A[4][3],[$C[0],#16*11]
str $A[4][4],[$C[0],#16*12]
ldp x19,x20,[x29,#16]
add sp,sp,#48
ldp x21,x22,[x29,#32]
ldp x23,x24,[x29,#48]
ldp x25,x26,[x29,#64]
ldp x27,x28,[x29,#80]
ldp x29,x30,[sp],#128
AARCH64_VALIDATE_LINK_REGISTER
ret
.size KeccakF1600,.-KeccakF1600
.globl SHA3_absorb
.type SHA3_absorb,%function
.align 5
SHA3_absorb:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-128]!
add x29,sp,#0
stp x19,x20,[sp,#16]
stp x21,x22,[sp,#32]
stp x23,x24,[sp,#48]
stp x25,x26,[sp,#64]
stp x27,x28,[sp,#80]
sub sp,sp,#64
stp x0,x1,[sp,#32] // offload arguments
stp x2,x3,[sp,#48]
mov $C[0],x0 // uint64_t A[5][5]
mov $C[1],x1 // const void *inp
mov $C[2],x2 // size_t len
mov $C[3],x3 // size_t bsz
ldp $A[0][0],$A[0][1],[$C[0],#16*0]
ldp $A[0][2],$A[0][3],[$C[0],#16*1]
ldp $A[0][4],$A[1][0],[$C[0],#16*2]
ldp $A[1][1],$A[1][2],[$C[0],#16*3]
ldp $A[1][3],$A[1][4],[$C[0],#16*4]
ldp $A[2][0],$A[2][1],[$C[0],#16*5]
ldp $A[2][2],$A[2][3],[$C[0],#16*6]
ldp $A[2][4],$A[3][0],[$C[0],#16*7]
ldp $A[3][1],$A[3][2],[$C[0],#16*8]
ldp $A[3][3],$A[3][4],[$C[0],#16*9]
ldp $A[4][0],$A[4][1],[$C[0],#16*10]
ldp $A[4][2],$A[4][3],[$C[0],#16*11]
ldr $A[4][4],[$C[0],#16*12]
b .Loop_absorb
.align 4
.Loop_absorb:
subs $C[0],$C[2],$C[3] // len - bsz
blo .Labsorbed
str $C[0],[sp,#48] // save len - bsz
___
for (my $i=0; $i<24; $i+=2) {
my $j = $i+1;
$code.=<<___;
ldr $C[0],[$C[1]],#8 // *inp++
#ifdef __AARCH64EB__
rev $C[0],$C[0]
#endif
eor $A[$i/5][$i%5],$A[$i/5][$i%5],$C[0]
cmp $C[3],#8*($i+2)
blo .Lprocess_block
ldr $C[0],[$C[1]],#8 // *inp++
#ifdef __AARCH64EB__
rev $C[0],$C[0]
#endif
eor $A[$j/5][$j%5],$A[$j/5][$j%5],$C[0]
beq .Lprocess_block
___
}
$code.=<<___;
ldr $C[0],[$C[1]],#8 // *inp++
#ifdef __AARCH64EB__
rev $C[0],$C[0]
#endif
eor $A[4][4],$A[4][4],$C[0]
.Lprocess_block:
str $C[1],[sp,#40] // save inp
bl KeccakF1600_int
ldr $C[1],[sp,#40] // restore arguments
ldp $C[2],$C[3],[sp,#48]
b .Loop_absorb
.align 4
.Labsorbed:
ldr $C[1],[sp,#32]
stp $A[0][0],$A[0][1],[$C[1],#16*0]
stp $A[0][2],$A[0][3],[$C[1],#16*1]
stp $A[0][4],$A[1][0],[$C[1],#16*2]
stp $A[1][1],$A[1][2],[$C[1],#16*3]
stp $A[1][3],$A[1][4],[$C[1],#16*4]
stp $A[2][0],$A[2][1],[$C[1],#16*5]
stp $A[2][2],$A[2][3],[$C[1],#16*6]
stp $A[2][4],$A[3][0],[$C[1],#16*7]
stp $A[3][1],$A[3][2],[$C[1],#16*8]
stp $A[3][3],$A[3][4],[$C[1],#16*9]
stp $A[4][0],$A[4][1],[$C[1],#16*10]
stp $A[4][2],$A[4][3],[$C[1],#16*11]
str $A[4][4],[$C[1],#16*12]
mov x0,$C[2] // return value
ldp x19,x20,[x29,#16]
add sp,sp,#64
ldp x21,x22,[x29,#32]
ldp x23,x24,[x29,#48]
ldp x25,x26,[x29,#64]
ldp x27,x28,[x29,#80]
ldp x29,x30,[sp],#128
AARCH64_VALIDATE_LINK_REGISTER
ret
.size SHA3_absorb,.-SHA3_absorb
___
{
my ($A_flat,$out,$len,$bsz) = map("x$_",(19..22));
$code.=<<___;
.globl SHA3_squeeze
.type SHA3_squeeze,%function
.align 5
SHA3_squeeze:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-48]!
add x29,sp,#0
stp x19,x20,[sp,#16]
stp x21,x22,[sp,#32]
mov $A_flat,x0 // put aside arguments
mov $out,x1
mov $len,x2
mov $bsz,x3
.Loop_squeeze:
ldr x4,[x0],#8
cmp $len,#8
blo .Lsqueeze_tail
#ifdef __AARCH64EB__
rev x4,x4
#endif
str x4,[$out],#8
subs $len,$len,#8
beq .Lsqueeze_done
subs x3,x3,#8
bhi .Loop_squeeze
mov x0,$A_flat
bl KeccakF1600
mov x0,$A_flat
mov x3,$bsz
b .Loop_squeeze
.align 4
.Lsqueeze_tail:
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done
strb w4,[$out],#1
.Lsqueeze_done:
ldp x19,x20,[sp,#16]
ldp x21,x22,[sp,#32]
ldp x29,x30,[sp],#48
AARCH64_VALIDATE_LINK_REGISTER
ret
.size SHA3_squeeze,.-SHA3_squeeze
___
} }}}
{{{
my @A = map([ "v".$_.".16b", "v".($_+1).".16b", "v".($_+2).".16b",
"v".($_+3).".16b", "v".($_+4).".16b" ],
(0, 5, 10, 15, 20));
my @C = map("v$_.16b", (25..31));
my @D = @C[4,5,6,2,3];
$code.=<<___;
.type KeccakF1600_ce,%function
.align 5
KeccakF1600_ce:
mov x9,#24
adr x10,iotas
b .Loop_ce
.align 4
.Loop_ce:
////////////////////////////////////////////////// Theta
eor3 $C[0],$A[4][0],$A[3][0],$A[2][0]
eor3 $C[1],$A[4][1],$A[3][1],$A[2][1]
eor3 $C[2],$A[4][2],$A[3][2],$A[2][2]
eor3 $C[3],$A[4][3],$A[3][3],$A[2][3]
eor3 $C[4],$A[4][4],$A[3][4],$A[2][4]
eor3 $C[0],$C[0], $A[1][0],$A[0][0]
eor3 $C[1],$C[1], $A[1][1],$A[0][1]
eor3 $C[2],$C[2], $A[1][2],$A[0][2]
eor3 $C[3],$C[3], $A[1][3],$A[0][3]
eor3 $C[4],$C[4], $A[1][4],$A[0][4]
rax1 $C[5],$C[0],$C[2] // D[1]
rax1 $C[6],$C[1],$C[3] // D[2]
rax1 $C[2],$C[2],$C[4] // D[3]
rax1 $C[3],$C[3],$C[0] // D[4]
rax1 $C[4],$C[4],$C[1] // D[0]
////////////////////////////////////////////////// Theta+Rho+Pi
xar $C[0], $A[0][1],$D[1],#64-$rhotates[0][1] // C[0]=A[2][0]
xar $A[0][1],$A[1][1],$D[1],#64-$rhotates[1][1]
xar $A[1][1],$A[1][4],$D[4],#64-$rhotates[1][4]
xar $A[1][4],$A[4][2],$D[2],#64-$rhotates[4][2]
xar $A[4][2],$A[2][4],$D[4],#64-$rhotates[2][4]
xar $A[2][4],$A[4][0],$D[0],#64-$rhotates[4][0]
xar $C[1], $A[0][2],$D[2],#64-$rhotates[0][2] // C[1]=A[4][0]
xar $A[0][2],$A[2][2],$D[2],#64-$rhotates[2][2]
xar $A[2][2],$A[2][3],$D[3],#64-$rhotates[2][3]
xar $A[2][3],$A[3][4],$D[4],#64-$rhotates[3][4]
xar $A[3][4],$A[4][3],$D[3],#64-$rhotates[4][3]
xar $A[4][3],$A[3][0],$D[0],#64-$rhotates[3][0]
xar $A[3][0],$A[0][4],$D[4],#64-$rhotates[0][4]
xar $D[4], $A[4][4],$D[4],#64-$rhotates[4][4] // D[4]=A[0][4]
xar $A[4][4],$A[4][1],$D[1],#64-$rhotates[4][1]
xar $A[1][3],$A[1][3],$D[3],#64-$rhotates[1][3] // A[1][3]=A[4][1]
xar $A[0][4],$A[3][1],$D[1],#64-$rhotates[3][1] // A[0][4]=A[1][3]
xar $A[3][1],$A[1][0],$D[0],#64-$rhotates[1][0]
xar $A[1][0],$A[0][3],$D[3],#64-$rhotates[0][3]
eor $A[0][0],$A[0][0],$D[0]
xar $D[3], $A[3][3],$D[3],#64-$rhotates[3][3] // D[3]=A[0][3]
xar $A[0][3],$A[3][2],$D[2],#64-$rhotates[3][2] // A[0][3]=A[3][3]
xar $D[1], $A[2][1],$D[1],#64-$rhotates[2][1] // D[1]=A[3][2]
xar $D[2], $A[1][2],$D[2],#64-$rhotates[1][2] // D[2]=A[2][1]
xar $D[0], $A[2][0],$D[0],#64-$rhotates[2][0] // D[0]=A[1][2]
////////////////////////////////////////////////// Chi+Iota
bcax $A[4][0],$C[1], $A[4][2],$A[1][3] // A[1][3]=A[4][1]
bcax $A[4][1],$A[1][3],$A[4][3],$A[4][2] // A[1][3]=A[4][1]
bcax $A[4][2],$A[4][2],$A[4][4],$A[4][3]
bcax $A[4][3],$A[4][3],$C[1], $A[4][4]
bcax $A[4][4],$A[4][4],$A[1][3],$C[1] // A[1][3]=A[4][1]
ld1r {$C[1]},[x10],#8
bcax $A[3][2],$D[1], $A[3][4],$A[0][3] // A[0][3]=A[3][3]
bcax $A[3][3],$A[0][3],$A[3][0],$A[3][4] // A[0][3]=A[3][3]
bcax $A[3][4],$A[3][4],$A[3][1],$A[3][0]
bcax $A[3][0],$A[3][0],$D[1], $A[3][1]
bcax $A[3][1],$A[3][1],$A[0][3],$D[1] // A[0][3]=A[3][3]
bcax $A[2][0],$C[0], $A[2][2],$D[2]
bcax $A[2][1],$D[2], $A[2][3],$A[2][2]
bcax $A[2][2],$A[2][2],$A[2][4],$A[2][3]
bcax $A[2][3],$A[2][3],$C[0], $A[2][4]
bcax $A[2][4],$A[2][4],$D[2], $C[0]
bcax $A[1][2],$D[0], $A[1][4],$A[0][4] // A[0][4]=A[1][3]
bcax $A[1][3],$A[0][4],$A[1][0],$A[1][4] // A[0][4]=A[1][3]
bcax $A[1][4],$A[1][4],$A[1][1],$A[1][0]
bcax $A[1][0],$A[1][0],$D[0], $A[1][1]
bcax $A[1][1],$A[1][1],$A[0][4],$D[0] // A[0][4]=A[1][3]
bcax $A[0][3],$D[3], $A[0][0],$D[4]
bcax $A[0][4],$D[4], $A[0][1],$A[0][0]
bcax $A[0][0],$A[0][0],$A[0][2],$A[0][1]
bcax $A[0][1],$A[0][1],$D[3], $A[0][2]
bcax $A[0][2],$A[0][2],$D[4], $D[3]
eor $A[0][0],$A[0][0],$C[1]
subs x9,x9,#1
bne .Loop_ce
ret
.size KeccakF1600_ce,.-KeccakF1600_ce
.type KeccakF1600_cext,%function
.align 5
KeccakF1600_cext:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-80]!
add x29,sp,#0
stp d8,d9,[sp,#16] // per ABI requirement
stp d10,d11,[sp,#32]
stp d12,d13,[sp,#48]
stp d14,d15,[sp,#64]
___
for($i=0; $i<24; $i+=2) { # load A[5][5]
my $j=$i+1;
$code.=<<___;
ldp d$i,d$j,[x0,#8*$i]
___
}
$code.=<<___;
ldr d24,[x0,#8*$i]
bl KeccakF1600_ce
ldr x30,[sp,#8]
___
for($i=0; $i<24; $i+=2) { # store A[5][5]
my $j=$i+1;
$code.=<<___;
stp d$i,d$j,[x0,#8*$i]
___
}
$code.=<<___;
str d24,[x0,#8*$i]
ldp d8,d9,[sp,#16]
ldp d10,d11,[sp,#32]
ldp d12,d13,[sp,#48]
ldp d14,d15,[sp,#64]
ldr x29,[sp],#80
AARCH64_VALIDATE_LINK_REGISTER
ret
.size KeccakF1600_cext,.-KeccakF1600_cext
___
{
my ($ctx,$inp,$len,$bsz) = map("x$_",(0..3));
$code.=<<___;
.globl SHA3_absorb_cext
.type SHA3_absorb_cext,%function
.align 5
SHA3_absorb_cext:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-80]!
add x29,sp,#0
stp d8,d9,[sp,#16] // per ABI requirement
stp d10,d11,[sp,#32]
stp d12,d13,[sp,#48]
stp d14,d15,[sp,#64]
___
for($i=0; $i<24; $i+=2) { # load A[5][5]
my $j=$i+1;
$code.=<<___;
ldp d$i,d$j,[x0,#8*$i]
___
}
$code.=<<___;
ldr d24,[x0,#8*$i]
b .Loop_absorb_ce
.align 4
.Loop_absorb_ce:
subs $len,$len,$bsz // len - bsz
blo .Labsorbed_ce
___
for (my $i=0; $i<24; $i+=2) {
my $j = $i+1;
$code.=<<___;
ldr d31,[$inp],#8 // *inp++
#ifdef __AARCH64EB__
rev64 v31.16b,v31.16b
#endif
eor $A[$i/5][$i%5],$A[$i/5][$i%5],v31.16b
cmp $bsz,#8*($i+2)
blo .Lprocess_block_ce
ldr d31,[$inp],#8 // *inp++
#ifdef __AARCH64EB__
rev64 v31.16b,v31.16b
#endif
eor $A[$j/5][$j%5],$A[$j/5][$j%5],v31.16b
beq .Lprocess_block_ce
___
}
$code.=<<___;
ldr d31,[$inp],#8 // *inp++
#ifdef __AARCH64EB__
rev64 v31.16b,v31.16b
#endif
eor $A[4][4],$A[4][4],v31.16b
.Lprocess_block_ce:
bl KeccakF1600_ce
b .Loop_absorb_ce
.align 4
.Labsorbed_ce:
___
for($i=0; $i<24; $i+=2) { # store A[5][5]
my $j=$i+1;
$code.=<<___;
stp d$i,d$j,[x0,#8*$i]
___
}
$code.=<<___;
str d24,[x0,#8*$i]
add x0,$len,$bsz // return value
ldp d8,d9,[sp,#16]
ldp d10,d11,[sp,#32]
ldp d12,d13,[sp,#48]
ldp d14,d15,[sp,#64]
ldp x29,x30,[sp],#80
AARCH64_VALIDATE_LINK_REGISTER
ret
.size SHA3_absorb_cext,.-SHA3_absorb_cext
___
}
{
my ($ctx,$out,$len,$bsz) = map("x$_",(0..3));
$code.=<<___;
.globl SHA3_squeeze_cext
.type SHA3_squeeze_cext,%function
.align 5
SHA3_squeeze_cext:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-16]!
add x29,sp,#0
mov x9,$ctx
mov x10,$bsz
.Loop_squeeze_ce:
ldr x4,[x9],#8
cmp $len,#8
blo .Lsqueeze_tail_ce
#ifdef __AARCH64EB__
rev x4,x4
#endif
str x4,[$out],#8
beq .Lsqueeze_done_ce
sub $len,$len,#8
subs x10,x10,#8
bhi .Loop_squeeze_ce
bl KeccakF1600_cext
ldr x30,[sp,#8]
mov x9,$ctx
mov x10,$bsz
b .Loop_squeeze_ce
.align 4
.Lsqueeze_tail_ce:
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
lsr x4,x4,#8
subs $len,$len,#1
beq .Lsqueeze_done_ce
strb w4,[$out],#1
.Lsqueeze_done_ce:
ldr x29,[sp],#16
AARCH64_VALIDATE_LINK_REGISTER
ret
.size SHA3_squeeze_cext,.-SHA3_squeeze_cext
___
} }}}
$code.=<<___;
.asciz "Keccak-1600 absorb and squeeze for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
___
{ my %opcode = (
"rax1" => 0xce608c00, "eor3" => 0xce000000,
"bcax" => 0xce200000, "xar" => 0xce800000 );
sub unsha3 {
my ($mnemonic,$arg)=@_;
$arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv#]([0-9\-]+))?)?/
&&
sprintf ".inst\t0x%08x\t//%s %s",
$opcode{$mnemonic}|$1|($2<<5)|($3<<16)|(eval($4)<<10),
$mnemonic,$arg;
}
}
foreach(split("\n",$code)) {
s/\`([^\`]*)\`/eval($1)/ge;
m/\bld1r\b/ and s/\.16b/.2d/g or
s/\b(eor3|rax1|xar|bcax)\s+(v.*)/unsha3($1,$2)/ge;
print $_,"\n";
}
close STDOUT or die "error closing STDOUT: $!";
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