aes-x86_64.pl 39.4 KB
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#!/usr/bin/env perl
#
# ====================================================================
# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
# project. Rights for redistribution and usage in source and binary
# forms are granted according to the OpenSSL license.
# ====================================================================
#
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# Version 1.1.
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#
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# aes-*-cbc benchmarks are improved by >70% [compared to gcc 3.3.2 on
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# Opteron 240 CPU] plus all the bells-n-whistles from 32-bit version
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Andy Polyakov 已提交
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# [you'll notice a lot of resemblance], such as compressed S-boxes
# in little-endian byte order, prefetch of these tables in CBC mode,
# as well as avoiding L1 cache aliasing between stack frame and key
# schedule and already mentioned tables.
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#
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# Performance in number of cycles per processed byte for 128-bit key:
#
#		ECB		CBC encrypt
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# AMD64		13.7		13.0(*)
# EM64T		20.2		18.6(*)
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#
# (*)	CBC benchmarks are better than ECB thanks to custom ABI used
#	by the private block encryption function.
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$verticalspin=1;	# unlike 32-bit version $verticalspin performs
			# ~15% better on both AMD and Intel cores
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$output=shift;
open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";

$code=".text\n";

$s0="%eax";
$s1="%ebx";
$s2="%ecx";
$s3="%edx";
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$acc0="%esi";
$acc1="%edi";
$acc2="%ebp";
$inp="%r8";
$out="%r9";
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$t0="%r10d";
$t1="%r11d";
$t2="%r12d";
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$rnds="%r13d";
$sbox="%r14";
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$key="%r15";

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sub hi() { my $r=shift;	$r =~ s/%[er]([a-d])x/%\1h/;	$r; }
sub lo() { my $r=shift;	$r =~ s/%[er]([a-d])x/%\1l/;
			$r =~ s/%[er]([sd]i)/%\1l/;
			$r =~ s/%(r[0-9]+)[d]?/%\1b/;	$r; }
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sub _data_word()
{ my $i;
    while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; }
}
sub data_word()
{ my $i;
  my $last=pop(@_);
    $code.=".long\t";
    while(defined($i=shift)) { $code.=sprintf"0x%08x,",$i; }
    $code.=sprintf"0x%08x\n",$last;
}

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sub encvert()
{ my $t3="%r8d";	# zaps $inp!
  my $qs0='"$s0"';
  my $qs1='"$s1"';
  my $qs2='"$s2"';
  my $qs3='"$s3"';

$code.=<<___;
	# favor 3-way issue Opteron pipeline...
	movzb	`&lo($qs0)`,$acc0
	movzb	`&lo($qs1)`,$acc1
	movzb	`&lo($qs2)`,$acc2
	mov	0($sbox,$acc0,8),$t0
	mov	0($sbox,$acc1,8),$t1
	mov	0($sbox,$acc2,8),$t2

	movzb	`&hi($qs1)`,$acc0
	movzb	`&hi($qs2)`,$acc1
	movzb	`&lo($qs3)`,$acc2
	xor	3($sbox,$acc0,8),$t0
	xor	3($sbox,$acc1,8),$t1
	mov	0($sbox,$acc2,8),$t3

	movzb	`&hi($qs3)`,$acc0
	shr	\$16,$s2
	movzb	`&hi($qs0)`,$acc2
	xor	3($sbox,$acc0,8),$t2
	shr	\$16,$s3
	xor	3($sbox,$acc2,8),$t3

	shr	\$16,$s1
	lea	16($key),$key
	shr	\$16,$s0

	movzb	`&lo($qs2)`,$acc0
	movzb	`&lo($qs3)`,$acc1
	movzb	`&lo($qs0)`,$acc2
	xor	2($sbox,$acc0,8),$t0
	xor	2($sbox,$acc1,8),$t1
	xor	2($sbox,$acc2,8),$t2

	movzb	`&hi($qs3)`,$acc0
	movzb	`&hi($qs0)`,$acc1
	movzb	`&lo($qs1)`,$acc2
	xor	1($sbox,$acc0,8),$t0
	xor	1($sbox,$acc1,8),$t1
	xor	2($sbox,$acc2,8),$t3

	mov	12($key),$s3
	movzb	`&hi($qs1)`,$acc1
	movzb	`&hi($qs2)`,$acc2
	mov	0($key),$s0
	xor	1($sbox,$acc1,8),$t2
	xor	1($sbox,$acc2,8),$t3

	mov	4($key),$s1
	mov	8($key),$s2
	xor	$t0,$s0
	xor	$t1,$s1
	xor	$t2,$s2
	xor	$t3,$s3
___
}

sub enclastvert()
{ my $t3="%r8d";	# zaps $inp!
  my $qs0='"$s0"';
  my $qs1='"$s1"';
  my $qs2='"$s2"';
  my $qs3='"$s3"';

$code.=<<___;
	movzb	`&lo($qs0)`,$acc0
	movzb	`&lo($qs1)`,$acc1
	movzb	`&lo($qs2)`,$acc2
	mov	2($sbox,$acc0,8),$t0
	mov	2($sbox,$acc1,8),$t1
	mov	2($sbox,$acc2,8),$t2

	and	\$0x000000ff,$t0
	and	\$0x000000ff,$t1
	and	\$0x000000ff,$t2

	movzb	`&lo($qs3)`,$acc0
	movzb	`&hi($qs1)`,$acc1
	movzb	`&hi($qs2)`,$acc2
	mov	2($sbox,$acc0,8),$t3
	mov	0($sbox,$acc1,8),$acc1	#$t0
	mov	0($sbox,$acc2,8),$acc2	#$t1

	and	\$0x000000ff,$t3
	and	\$0x0000ff00,$acc1
	and	\$0x0000ff00,$acc2

	xor	$acc1,$t0
	xor	$acc2,$t1
	shr	\$16,$s2

	movzb	`&hi($qs3)`,$acc0
	movzb	`&hi($qs0)`,$acc1
	shr	\$16,$s3
	mov	0($sbox,$acc0,8),$acc0	#$t2
	mov	0($sbox,$acc1,8),$acc1	#$t3

	and	\$0x0000ff00,$acc0
	and	\$0x0000ff00,$acc1
	shr	\$16,$s1
	xor	$acc0,$t2
	xor	$acc1,$t3
	shr	\$16,$s0

	movzb	`&lo($qs2)`,$acc0
	movzb	`&lo($qs3)`,$acc1
	movzb	`&lo($qs0)`,$acc2
	mov	0($sbox,$acc0,8),$acc0	#$t0
	mov	0($sbox,$acc1,8),$acc1	#$t1
	mov	0($sbox,$acc2,8),$acc2	#$t2

	and	\$0x00ff0000,$acc0
	and	\$0x00ff0000,$acc1
	and	\$0x00ff0000,$acc2

	xor	$acc0,$t0
	xor	$acc1,$t1
	xor	$acc2,$t2

	movzb	`&lo($qs1)`,$acc0
	movzb	`&hi($qs3)`,$acc1
	movzb	`&hi($qs0)`,$acc2
	mov	0($sbox,$acc0,8),$acc0	#$t3
	mov	2($sbox,$acc1,8),$acc1	#$t0
	mov	2($sbox,$acc2,8),$acc2	#$t1

	and	\$0x00ff0000,$acc0
	and	\$0xff000000,$acc1
	and	\$0xff000000,$acc2

	xor	$acc0,$t3
	xor	$acc1,$t0
	xor	$acc2,$t1

	movzb	`&hi($qs1)`,$acc0
	movzb	`&hi($qs2)`,$acc1
	mov	16+12($key),$s3
	mov	2($sbox,$acc0,8),$acc0	#$t2
	mov	2($sbox,$acc1,8),$acc1	#$t3
	mov	16+0($key),$s0

	and	\$0xff000000,$acc0
	and	\$0xff000000,$acc1

	xor	$acc0,$t2
	xor	$acc1,$t3

	mov	16+4($key),$s1
	mov	16+8($key),$s2
	xor	$t0,$s0
	xor	$t1,$s1
	xor	$t2,$s2
	xor	$t3,$s3
___
}

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sub encstep()
{ my ($i,@s) = @_;
  my $tmp0=$acc0;
  my $tmp1=$acc1;
  my $tmp2=$acc2;
  my $out=($t0,$t1,$t2,$s[0])[$i];

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	if ($i==3) {
		$tmp0=$s[1];
		$tmp1=$s[2];
		$tmp2=$s[3];
	}
	$code.="	movzb	".&lo($s[0]).",$out\n";
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	$code.="	mov	$s[2],$tmp1\n"		if ($i!=3);
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	$code.="	lea	16($key),$key\n"	if ($i==0);

	$code.="	movzb	".&hi($s[1]).",$tmp0\n";
	$code.="	mov	0($sbox,$out,8),$out\n";
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	$code.="	shr	\$16,$tmp1\n";
	$code.="	mov	$s[3],$tmp2\n"		if ($i!=3);
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	$code.="	xor	3($sbox,$tmp0,8),$out\n";
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	$code.="	movzb	".&lo($tmp1).",$tmp1\n";
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	$code.="	shr	\$24,$tmp2\n";
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	$code.="	xor	4*$i($key),$out\n";
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	$code.="	xor	2($sbox,$tmp1,8),$out\n";
	$code.="	xor	1($sbox,$tmp2,8),$out\n";
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	$code.="	mov	$t0,$s[1]\n"		if ($i==3);
	$code.="	mov	$t1,$s[2]\n"		if ($i==3);
	$code.="	mov	$t2,$s[3]\n"		if ($i==3);
	$code.="\n";
}

sub enclast()
{ my ($i,@s)=@_;
  my $tmp0=$acc0;
  my $tmp1=$acc1;
  my $tmp2=$acc2;
  my $out=($t0,$t1,$t2,$s[0])[$i];

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	if ($i==3) {
		$tmp0=$s[1];
		$tmp1=$s[2];
		$tmp2=$s[3];
	}
	$code.="	movzb	".&lo($s[0]).",$out\n";
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	$code.="	mov	$s[2],$tmp1\n"		if ($i!=3);

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	$code.="	mov	2($sbox,$out,8),$out\n";
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	$code.="	shr	\$16,$tmp1\n";
	$code.="	mov	$s[3],$tmp2\n"		if ($i!=3);

	$code.="	and	\$0x000000ff,$out\n";
	$code.="	movzb	".&hi($s[1]).",$tmp0\n";
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	$code.="	movzb	".&lo($tmp1).",$tmp1\n";
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	$code.="	shr	\$24,$tmp2\n";

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	$code.="	mov	0($sbox,$tmp0,8),$tmp0\n";
	$code.="	mov	0($sbox,$tmp1,8),$tmp1\n";
	$code.="	mov	2($sbox,$tmp2,8),$tmp2\n";
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	$code.="	and	\$0x0000ff00,$tmp0\n";
	$code.="	and	\$0x00ff0000,$tmp1\n";
	$code.="	and	\$0xff000000,$tmp2\n";

	$code.="	xor	$tmp0,$out\n";
	$code.="	mov	$t0,$s[1]\n"		if ($i==3);
	$code.="	xor	$tmp1,$out\n";
	$code.="	mov	$t1,$s[2]\n"		if ($i==3);
	$code.="	xor	$tmp2,$out\n";
	$code.="	mov	$t2,$s[3]\n"		if ($i==3);
	$code.="\n";
}

$code.=<<___;
.type	_x86_64_AES_encrypt,\@abi-omnipotent
.align	16
_x86_64_AES_encrypt:
	xor	0($key),$s0			# xor with key
	xor	4($key),$s1
	xor	8($key),$s2
	xor	12($key),$s3

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	mov	240($key),$rnds			# load key->rounds
	sub	\$1,$rnds
	jmp	.Lenc_loop
.align	16
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.Lenc_loop:
___
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	if ($verticalspin) { &encvert(); }
	else {	&encstep(0,$s0,$s1,$s2,$s3);
		&encstep(1,$s1,$s2,$s3,$s0);
		&encstep(2,$s2,$s3,$s0,$s1);
		&encstep(3,$s3,$s0,$s1,$s2);
	}
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$code.=<<___;
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	sub	\$1,$rnds
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	jnz	.Lenc_loop
___
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	if ($verticalspin) { &enclastvert(); }
	else {	&enclast(0,$s0,$s1,$s2,$s3);
		&enclast(1,$s1,$s2,$s3,$s0);
		&enclast(2,$s2,$s3,$s0,$s1);
		&enclast(3,$s3,$s0,$s1,$s2);
		$code.=<<___;
		xor	16+0($key),$s0		# xor with key
		xor	16+4($key),$s1
		xor	16+8($key),$s2
		xor	16+12($key),$s3
___
	}
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$code.=<<___;
	.byte	0xf3,0xc3			# rep ret
.size	_x86_64_AES_encrypt,.-_x86_64_AES_encrypt
___

# void AES_encrypt (const void *inp,void *out,const AES_KEY *key);
$code.=<<___;
.globl	AES_encrypt
.type	AES_encrypt,\@function,3
.align	16
AES_encrypt:
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15

	mov	%rdx,$key
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	mov	%rdi,$inp
	mov	%rsi,$out
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	.picmeup	$sbox
	lea	AES_Te-.($sbox),$sbox
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	mov	0($inp),$s0
	mov	4($inp),$s1
	mov	8($inp),$s2
	mov	12($inp),$s3

	call	_x86_64_AES_encrypt

	mov	$s0,0($out)
	mov	$s1,4($out)
	mov	$s2,8($out)
	mov	$s3,12($out)

	pop	%r15
	pop	%r14
	pop	%r13
	pop	%r12
	pop	%rbp
	pop	%rbx
	ret
.size	AES_encrypt,.-AES_encrypt
___

#------------------------------------------------------------------#

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sub decvert()
{ my $t3="%r8d";	# zaps $inp!
  my $qs0='"$s0"';
  my $qs1='"$s1"';
  my $qs2='"$s2"';
  my $qs3='"$s3"';

$code.=<<___;
	# favor 3-way issue Opteron pipeline...
	movzb	`&lo($qs0)`,$acc0
	movzb	`&lo($qs1)`,$acc1
	movzb	`&lo($qs2)`,$acc2
	mov	0($sbox,$acc0,8),$t0
	mov	0($sbox,$acc1,8),$t1
	mov	0($sbox,$acc2,8),$t2

	movzb	`&hi($qs3)`,$acc0
	movzb	`&hi($qs0)`,$acc1
	movzb	`&lo($qs3)`,$acc2
	xor	3($sbox,$acc0,8),$t0
	xor	3($sbox,$acc1,8),$t1
	mov	0($sbox,$acc2,8),$t3

	movzb	`&hi($qs1)`,$acc0
	shr	\$16,$s0
	movzb	`&hi($qs2)`,$acc2
	xor	3($sbox,$acc0,8),$t2
	shr	\$16,$s3
	xor	3($sbox,$acc2,8),$t3

	shr	\$16,$s1
	lea	16($key),$key
	shr	\$16,$s2

	movzb	`&lo($qs2)`,$acc0
	movzb	`&lo($qs3)`,$acc1
	movzb	`&lo($qs0)`,$acc2
	xor	2($sbox,$acc0,8),$t0
	xor	2($sbox,$acc1,8),$t1
	xor	2($sbox,$acc2,8),$t2

	movzb	`&hi($qs1)`,$acc0
	movzb	`&hi($qs2)`,$acc1
	movzb	`&lo($qs1)`,$acc2
	xor	1($sbox,$acc0,8),$t0
	xor	1($sbox,$acc1,8),$t1
	xor	2($sbox,$acc2,8),$t3

	movzb	`&hi($qs3)`,$acc0
	mov	12($key),$s3
	movzb	`&hi($qs0)`,$acc2
	xor	1($sbox,$acc0,8),$t2
	mov	0($key),$s0
	xor	1($sbox,$acc2,8),$t3

	xor	$t0,$s0
	mov	4($key),$s1
	mov	8($key),$s2
	xor	$t2,$s2
	xor	$t1,$s1
	xor	$t3,$s3
___
}

sub declastvert()
{ my $t3="%r8d";	# zaps $inp!
  my $qs0='"$s0"';
  my $qs1='"$s1"';
  my $qs2='"$s2"';
  my $qs3='"$s3"';

$code.=<<___;
	movzb	`&lo($qs0)`,$acc0
	movzb	`&lo($qs1)`,$acc1
	movzb	`&lo($qs2)`,$acc2
	mov	2048($sbox,$acc0,4),$t0
	mov	2048($sbox,$acc1,4),$t1
	mov	2048($sbox,$acc2,4),$t2

	and	\$0x000000ff,$t0
	and	\$0x000000ff,$t1
	and	\$0x000000ff,$t2

	movzb	`&lo($qs3)`,$acc0
	movzb	`&hi($qs3)`,$acc1
	movzb	`&hi($qs0)`,$acc2
	mov	2048($sbox,$acc0,4),$t3
	mov	2048($sbox,$acc1,4),$acc1	#$t0
	mov	2048($sbox,$acc2,4),$acc2	#$t1

	and	\$0x000000ff,$t3
	and	\$0x0000ff00,$acc1
	and	\$0x0000ff00,$acc2

	xor	$acc1,$t0
	xor	$acc2,$t1
	shr	\$16,$s3

	movzb	`&hi($qs1)`,$acc0
	movzb	`&hi($qs2)`,$acc1
	shr	\$16,$s0
	mov	2048($sbox,$acc0,4),$acc0	#$t2
	mov	2048($sbox,$acc1,4),$acc1	#$t3

	and	\$0x0000ff00,$acc0
	and	\$0x0000ff00,$acc1
	shr	\$16,$s1
	xor	$acc0,$t2
	xor	$acc1,$t3
	shr	\$16,$s2

	movzb	`&lo($qs2)`,$acc0
	movzb	`&lo($qs3)`,$acc1
	movzb	`&lo($qs0)`,$acc2
	mov	2048($sbox,$acc0,4),$acc0	#$t0
	mov	2048($sbox,$acc1,4),$acc1	#$t1
	mov	2048($sbox,$acc2,4),$acc2	#$t2

	and	\$0x00ff0000,$acc0
	and	\$0x00ff0000,$acc1
	and	\$0x00ff0000,$acc2

	xor	$acc0,$t0
	xor	$acc1,$t1
	xor	$acc2,$t2

	movzb	`&lo($qs1)`,$acc0
	movzb	`&hi($qs1)`,$acc1
	movzb	`&hi($qs2)`,$acc2
	mov	2048($sbox,$acc0,4),$acc0	#$t3
	mov	2048($sbox,$acc1,4),$acc1	#$t0
	mov	2048($sbox,$acc2,4),$acc2	#$t1

	and	\$0x00ff0000,$acc0
	and	\$0xff000000,$acc1
	and	\$0xff000000,$acc2

	xor	$acc0,$t3
	xor	$acc1,$t0
	xor	$acc2,$t1

	movzb	`&hi($qs3)`,$acc0
	movzb	`&hi($qs0)`,$acc1
	mov	16+12($key),$s3
	mov	2048($sbox,$acc0,4),$acc0	#$t2
	mov	2048($sbox,$acc1,4),$acc1	#$t3
	mov	16+0($key),$s0

	and	\$0xff000000,$acc0
	and	\$0xff000000,$acc1

	xor	$acc0,$t2
	xor	$acc1,$t3

	mov	16+4($key),$s1
	mov	16+8($key),$s2
	xor	$t0,$s0
	xor	$t1,$s1
	xor	$t2,$s2
	xor	$t3,$s3
___
}

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sub decstep()
{ my ($i,@s) = @_;
  my $tmp0=$acc0;
  my $tmp1=$acc1;
  my $tmp2=$acc2;
  my $out=($t0,$t1,$t2,$s[0])[$i];

	$code.="	mov	$s[0],$out\n"		if ($i!=3);
			$tmp1=$s[2]			if ($i==3);
	$code.="	mov	$s[2],$tmp1\n"		if ($i!=3);
	$code.="	and	\$0xFF,$out\n";

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	$code.="	mov	0($sbox,$out,8),$out\n";
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	$code.="	shr	\$16,$tmp1\n";
			$tmp2=$s[3]			if ($i==3);
	$code.="	mov	$s[3],$tmp2\n"		if ($i!=3);

			$tmp0=$s[1]			if ($i==3);
	$code.="	movzb	".&hi($s[1]).",$tmp0\n";
	$code.="	and	\$0xFF,$tmp1\n";
	$code.="	shr	\$24,$tmp2\n";

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	$code.="	xor	3($sbox,$tmp0,8),$out\n";
	$code.="	xor	2($sbox,$tmp1,8),$out\n";
	$code.="	xor	1($sbox,$tmp2,8),$out\n";
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	$code.="	mov	$t2,$s[1]\n"		if ($i==3);
	$code.="	mov	$t1,$s[2]\n"		if ($i==3);
	$code.="	mov	$t0,$s[3]\n"		if ($i==3);
	$code.="\n";
}

sub declast()
{ my ($i,@s)=@_;
  my $tmp0=$acc0;
  my $tmp1=$acc1;
  my $tmp2=$acc2;
  my $out=($t0,$t1,$t2,$s[0])[$i];

	$code.="	mov	$s[0],$out\n"		if ($i!=3);
			$tmp1=$s[2]			if ($i==3);
	$code.="	mov	$s[2],$tmp1\n"		if ($i!=3);
	$code.="	and	\$0xFF,$out\n";

599
	$code.="	mov	2048($sbox,$out,4),$out\n";
600 601 602 603 604 605 606 607 608 609
	$code.="	shr	\$16,$tmp1\n";
			$tmp2=$s[3]			if ($i==3);
	$code.="	mov	$s[3],$tmp2\n"		if ($i!=3);

	$code.="	and	\$0x000000ff,$out\n";
			$tmp0=$s[1]			if ($i==3);
	$code.="	movzb	".&hi($s[1]).",$tmp0\n";
	$code.="	and	\$0xFF,$tmp1\n";
	$code.="	shr	\$24,$tmp2\n";

610 611 612
	$code.="	mov	2048($sbox,$tmp0,4),$tmp0\n";
	$code.="	mov	2048($sbox,$tmp1,4),$tmp1\n";
	$code.="	mov	2048($sbox,$tmp2,4),$tmp2\n";
613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635

	$code.="	and	\$0x0000ff00,$tmp0\n";
	$code.="	and	\$0x00ff0000,$tmp1\n";
	$code.="	and	\$0xff000000,$tmp2\n";

	$code.="	xor	$tmp0,$out\n";
	$code.="	mov	$t2,$s[1]\n"		if ($i==3);
	$code.="	xor	$tmp1,$out\n";
	$code.="	mov	$t1,$s[2]\n"		if ($i==3);
	$code.="	xor	$tmp2,$out\n";
	$code.="	mov	$t0,$s[3]\n"		if ($i==3);
	$code.="\n";
}

$code.=<<___;
.type	_x86_64_AES_decrypt,\@abi-omnipotent
.align	16
_x86_64_AES_decrypt:
	xor	0($key),$s0			# xor with key
	xor	4($key),$s1
	xor	8($key),$s2
	xor	12($key),$s3

636 637 638 639
	mov	240($key),$rnds			# load key->rounds
	sub	\$1,$rnds
	jmp	.Ldec_loop
.align	16
640 641
.Ldec_loop:
___
642 643 644 645 646 647 648 649 650 651 652 653 654
	if ($verticalspin) { &decvert(); }
	else {	&decstep(0,$s0,$s3,$s2,$s1);
		&decstep(1,$s1,$s0,$s3,$s2);
		&decstep(2,$s2,$s1,$s0,$s3);
		&decstep(3,$s3,$s2,$s1,$s0);
		$code.=<<___;
		lea	16($key),$key
		xor	0($key),$s0			# xor with key
		xor	4($key),$s1
		xor	8($key),$s2
		xor	12($key),$s3
___
	}
655
$code.=<<___;
656
	sub	\$1,$rnds
657 658
	jnz	.Ldec_loop
___
659 660 661 662 663 664 665 666 667 668 669 670
	if ($verticalspin) { &declastvert(); }
	else {	&declast(0,$s0,$s3,$s2,$s1);
		&declast(1,$s1,$s0,$s3,$s2);
		&declast(2,$s2,$s1,$s0,$s3);
		&declast(3,$s3,$s2,$s1,$s0);
		$code.=<<___;
		xor	16+0($key),$s0			# xor with key
		xor	4($key),$s1
		xor	8($key),$s2
		xor	12($key),$s3
___
	}
671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689
$code.=<<___;
	.byte	0xf3,0xc3			# rep ret
.size	_x86_64_AES_decrypt,.-_x86_64_AES_decrypt
___

# void AES_decrypt (const void *inp,void *out,const AES_KEY *key);
$code.=<<___;
.globl	AES_decrypt
.type	AES_decrypt,\@function,3
.align	16
AES_decrypt:
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15

	mov	%rdx,$key
690 691
	mov	%rdi,$inp
	mov	%rsi,$out
692

693 694
	.picmeup	$sbox
	lea	AES_Td-.($sbox),$sbox
695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063

	mov	0($inp),$s0
	mov	4($inp),$s1
	mov	8($inp),$s2
	mov	12($inp),$s3

	call	_x86_64_AES_decrypt

	mov	$s0,0($out)
	mov	$s1,4($out)
	mov	$s2,8($out)
	mov	$s3,12($out)

	pop	%r15
	pop	%r14
	pop	%r13
	pop	%r12
	pop	%rbp
	pop	%rbx
	ret
.size	AES_decrypt,.-AES_decrypt
___
#------------------------------------------------------------------#

sub enckey()
{
$code.=<<___;
	movz	%dl,%esi		# rk[i]>>0
	mov	2(%rbp,%rsi,8),%ebx
	movz	%dh,%esi		# rk[i]>>8
	and	\$0xFF000000,%ebx
	xor	%ebx,%eax

	mov	2(%rbp,%rsi,8),%ebx
	shr	\$16,%edx
	and	\$0x000000FF,%ebx
	movz	%dl,%esi		# rk[i]>>16
	xor	%ebx,%eax

	mov	0(%rbp,%rsi,8),%ebx
	movz	%dh,%esi		# rk[i]>>24
	and	\$0x0000FF00,%ebx
	xor	%ebx,%eax

	mov	0(%rbp,%rsi,8),%ebx
	and	\$0x00FF0000,%ebx
	xor	%ebx,%eax

	xor	2048(%rbp,%rcx,4),%eax		# rcon
___
}

# int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
#                        AES_KEY *key)
$code.=<<___;
.globl	AES_set_encrypt_key
.type	AES_set_encrypt_key,\@function,3
.align	16
AES_set_encrypt_key:
	push	%rbx
	push	%rbp

	mov	%esi,%ecx			# %ecx=bits
	mov	%rdi,%rsi			# %rsi=userKey
	mov	%rdx,%rdi			# %rdi=key

	test	\$-1,%rsi
	jz	.Lbadpointer
	test	\$-1,%rdi
	jz	.Lbadpointer

	.picmeup %rbp
	lea	AES_Te-.(%rbp),%rbp

	cmp	\$128,%ecx
	je	.L10rounds
	cmp	\$192,%ecx
	je	.L12rounds
	cmp	\$256,%ecx
	je	.L14rounds
	mov	\$-2,%rax			# invalid number of bits
	jmp	.Lexit

.L10rounds:
	mov	0(%rsi),%eax			# copy first 4 dwords
	mov	4(%rsi),%ebx
	mov	8(%rsi),%ecx
	mov	12(%rsi),%edx
	mov	%eax,0(%rdi)
	mov	%ebx,4(%rdi)
	mov	%ecx,8(%rdi)
	mov	%edx,12(%rdi)

	xor	%ecx,%ecx
	jmp	.L10shortcut
.align	4
.L10loop:
		mov	0(%rdi),%eax			# rk[0]
		mov	12(%rdi),%edx			# rk[3]
.L10shortcut:
___
		&enckey	();
$code.=<<___;
		mov	%eax,16(%rdi)			# rk[4]
		xor	4(%rdi),%eax
		mov	%eax,20(%rdi)			# rk[5]
		xor	8(%rdi),%eax
		mov	%eax,24(%rdi)			# rk[6]
		xor	12(%rdi),%eax
		mov	%eax,28(%rdi)			# rk[7]
		add	\$1,%ecx
		lea	16(%rdi),%rdi
		cmp	\$10,%ecx
	jl	.L10loop

	movl	\$10,80(%rdi)			# setup number of rounds
	xor	%rax,%rax
	jmp	.Lexit

.L12rounds:
	mov	0(%rsi),%eax			# copy first 6 dwords
	mov	4(%rsi),%ebx
	mov	8(%rsi),%ecx
	mov	12(%rsi),%edx
	mov	%eax,0(%rdi)
	mov	%ebx,4(%rdi)
	mov	%ecx,8(%rdi)
	mov	%edx,12(%rdi)
	mov	16(%rsi),%ecx
	mov	20(%rsi),%edx
	mov	%ecx,16(%rdi)
	mov	%edx,20(%rdi)

	xor	%ecx,%ecx
	jmp	.L12shortcut
.align	4
.L12loop:
		mov	0(%rdi),%eax			# rk[0]
		mov	20(%rdi),%edx			# rk[5]
.L12shortcut:
___
		&enckey	();
$code.=<<___;
		mov	%eax,24(%rdi)			# rk[6]
		xor	4(%rdi),%eax
		mov	%eax,28(%rdi)			# rk[7]
		xor	8(%rdi),%eax
		mov	%eax,32(%rdi)			# rk[8]
		xor	12(%rdi),%eax
		mov	%eax,36(%rdi)			# rk[9]

		cmp	\$7,%ecx
		je	.L12break
		add	\$1,%ecx

		xor	16(%rdi),%eax
		mov	%eax,40(%rdi)			# rk[10]
		xor	20(%rdi),%eax
		mov	%eax,44(%rdi)			# rk[11]

		lea	24(%rdi),%rdi
	jmp	.L12loop
.L12break:
	movl	\$12,72(%rdi)		# setup number of rounds
	xor	%rax,%rax
	jmp	.Lexit

.L14rounds:		
	mov	0(%rsi),%eax			# copy first 8 dwords
	mov	4(%rsi),%ebx
	mov	8(%rsi),%ecx
	mov	12(%rsi),%edx
	mov	%eax,0(%rdi)
	mov	%ebx,4(%rdi)
	mov	%ecx,8(%rdi)
	mov	%edx,12(%rdi)
	mov	16(%rsi),%eax
	mov	20(%rsi),%ebx
	mov	24(%rsi),%ecx
	mov	28(%rsi),%edx
	mov	%eax,16(%rdi)
	mov	%ebx,20(%rdi)
	mov	%ecx,24(%rdi)
	mov	%edx,28(%rdi)

	xor	%ecx,%ecx
	jmp	.L14shortcut
.align	4
.L14loop:
		mov	28(%rdi),%edx			# rk[4]
.L14shortcut:
		mov	0(%rdi),%eax			# rk[0]
___
		&enckey	();
$code.=<<___;
		mov	%eax,32(%rdi)			# rk[8]
		xor	4(%rdi),%eax
		mov	%eax,36(%rdi)			# rk[9]
		xor	8(%rdi),%eax
		mov	%eax,40(%rdi)			# rk[10]
		xor	12(%rdi),%eax
		mov	%eax,44(%rdi)			# rk[11]

		cmp	\$6,%ecx
		je	.L14break
		add	\$1,%ecx

		mov	%eax,%edx
		mov	16(%rdi),%eax			# rk[4]
		movz	%dl,%esi			# rk[11]>>0
		mov	2(%rbp,%rsi,8),%ebx
		movz	%dh,%esi			# rk[11]>>8
		and	\$0x000000FF,%ebx
		xor	%ebx,%eax

		mov	0(%rbp,%rsi,8),%ebx
		shr	\$16,%edx
		and	\$0x0000FF00,%ebx
		movz	%dl,%esi			# rk[11]>>16
		xor	%ebx,%eax

		mov	0(%rbp,%rsi,8),%ebx
		movz	%dh,%esi			# rk[11]>>24
		and	\$0x00FF0000,%ebx
		xor	%ebx,%eax

		mov	2(%rbp,%rsi,8),%ebx
		and	\$0xFF000000,%ebx
		xor	%ebx,%eax

		mov	%eax,48(%rdi)			# rk[12]
		xor	20(%rdi),%eax
		mov	%eax,52(%rdi)			# rk[13]
		xor	24(%rdi),%eax
		mov	%eax,56(%rdi)			# rk[14]
		xor	28(%rdi),%eax
		mov	%eax,60(%rdi)			# rk[15]

		lea	32(%rdi),%rdi
	jmp	.L14loop
.L14break:
	movl	\$14,48(%rdi)		# setup number of rounds
	xor	%rax,%rax
	jmp	.Lexit

.Lbadpointer:
	mov	\$-1,%rax
.Lexit:
	pop	%rbp
	pop	%rbx
	ret
.size	AES_set_encrypt_key,.-AES_set_encrypt_key
___

sub deckey()
{ my ($i,$ptr,$te,$td) = @_;
$code.=<<___;
	mov	$i($ptr),%eax
	mov	%eax,%edx
	movz	%ah,%ebx
	shr	\$16,%edx
	and	\$0xFF,%eax
	movzb	2($te,%rax,8),%rax
	movzb	2($te,%rbx,8),%rbx
	mov	0($td,%rax,8),%eax
	xor	3($td,%rbx,8),%eax
	movzb	%dh,%ebx
	and	\$0xFF,%edx
	movzb	2($te,%rdx,8),%rdx
	movzb	2($te,%rbx,8),%rbx
	xor	2($td,%rdx,8),%eax
	xor	1($td,%rbx,8),%eax
	mov	%eax,$i($ptr)
___
}

# int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
#                        AES_KEY *key)
$code.=<<___;
.globl	AES_set_decrypt_key
.type	AES_set_decrypt_key,\@function,3
.align	16
AES_set_decrypt_key:
	push	%rdx
	call	AES_set_encrypt_key
	cmp	\$0,%eax
	je	.Lproceed
	lea	24(%rsp),%rsp
	ret
.Lproceed:
	mov	(%rsp),%r8		# restore key schedule
	mov	%rbx,(%rsp)

	mov	240(%r8),%ecx		# pull number of rounds
	xor	%rdi,%rdi
	lea	(%rdi,%rcx,4),%rcx
	mov	%r8,%rsi
	lea	(%r8,%rcx,4),%rdi	# pointer to last chunk
.align	4
.Linvert:
		mov	0(%rsi),%rax
		mov	8(%rsi),%rbx
		mov	0(%rdi),%rcx
		mov	8(%rdi),%rdx
		mov	%rax,0(%rdi)
		mov	%rbx,8(%rdi)
		mov	%rcx,0(%rsi)
		mov	%rdx,8(%rsi)
		lea	16(%rsi),%rsi
		lea	-16(%rdi),%rdi
		cmp	%rsi,%rdi
	jne	.Linvert

	.picmeup %r9
	lea	AES_Td-.(%r9),%rdi
	lea	AES_Te-AES_Td(%rdi),%r9

	mov	%r8,%rsi
	mov	240(%r8),%ecx		# pull number of rounds
	sub	\$1,%ecx
.align	4
.Lpermute:
		lea	16(%rsi),%rsi
___
		&deckey	(0,"%rsi","%r9","%rdi");
		&deckey	(4,"%rsi","%r9","%rdi");
		&deckey	(8,"%rsi","%r9","%rdi");
		&deckey	(12,"%rsi","%r9","%rdi");
$code.=<<___;
		sub	\$1,%ecx
	jnz	.Lpermute

	xor	%rax,%rax
	pop	%rbx
	ret
.size	AES_set_decrypt_key,.-AES_set_decrypt_key
___

# void AES_cbc_encrypt (const void char *inp, unsigned char *out,
#			size_t length, const AES_KEY *key,
#			unsigned char *ivp,const int enc);
{
# stack frame layout
# -8(%rsp)		return address
my $_rsp="0(%rsp)";		# saved %rsp
my $_len="8(%rsp)";		# copy of 3rd parameter, length
my $_key="16(%rsp)";		# copy of 4th parameter, key
my $_ivp="24(%rsp)";		# copy of 5th parameter, ivp
my $keyp="32(%rsp)";		# one to pass as $key
my $ivec="40(%rsp)";		# ivec[16]
my $aes_key="56(%rsp)";		# copy of aes_key
my $mark="56+240(%rsp)";	# copy of aes_key->rounds

$code.=<<___;
.globl	AES_cbc_encrypt
.type	AES_cbc_encrypt,\@function,6
.align	16
AES_cbc_encrypt:
	cmp	\$0,%rdx	# check length
	je	.Lcbc_just_ret
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15
	pushfq
	cld

1064
	.picmeup $sbox
1065 1066 1067 1068 1069
.Lcbc_pic_point:

	cmp	\$0,%r9
	je	.LDECRYPT

1070
	lea	AES_Te-.Lcbc_pic_point($sbox),$sbox
1071 1072 1073 1074 1075 1076

	# allocate aligned stack frame...
	lea	-64-248(%rsp),$key
	and	\$-64,$key

	# ... and make it doesn't alias with AES_Te modulo 4096
1077 1078
	mov	$sbox,%r10
	lea	2048($sbox),%r11
1079
	mov	$key,%r12
1080 1081
	and	\$0xFFF,%r10	# s = $sbox&0xfff
	and	\$0xFFF,%r11	# e = ($sbox+2048)&0xfff
1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
	and	\$0xFFF,%r12	# p = %rsp&0xfff

	cmp	%r11,%r12	# if (p=>e) %rsp =- (p-e);
	jb	.Lcbc_te_break_out
	sub	%r11,%r12
	sub	%r12,$key
	jmp	.Lcbc_te_ok
.Lcbc_te_break_out:		# else %rsp -= (p-s)&0xfff + framesz
	sub	%r10,%r12
	and	\$0xFFF,%r12
	add	\$320,%r12
	sub	%r12,$key
.align	4
.Lcbc_te_ok:

	xchg	%rsp,$key
	add	\$8,%rsp	# reserve for return address!
	mov	$key,$_rsp	# save %rsp
	mov	%rdx,$_len	# save copy of len
	mov	%rcx,$_key	# save copy of key
	mov	%r8,$_ivp	# save copy of ivp
	movl	\$0,$mark	# copy of aes_key->rounds = 0;
1104 1105 1106
	mov	%r8,%rbp	# rearrange input arguments
	mov	%rsi,$out
	mov	%rdi,$inp
1107 1108 1109 1110
	mov	%rcx,$key

	# do we copy key schedule to stack?
	mov	$key,%r10
1111
	sub	$sbox,%r10
1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
	and	\$0xfff,%r10
	cmp	\$2048,%r10
	jb	.Lcbc_do_ecopy
	cmp	\$4096-248,%r10
	jb	.Lcbc_skip_ecopy
.align	4
.Lcbc_do_ecopy:
		mov	$key,%rsi
		lea	$aes_key,%rdi
		lea	$aes_key,$key
		mov	\$240/8,%ecx
		.long	0x90A548F3	# rep movsq
		mov	(%rsi),%eax	# copy aes_key->rounds
		mov	%eax,(%rdi)
.Lcbc_skip_ecopy:
	mov	$key,$keyp	# save key pointer

	mov	\$16,%ecx
.align	4
.Lcbc_prefetch_te:
1132 1133 1134 1135 1136
		mov	0($sbox),%r10
		mov	32($sbox),%r11
		mov	64($sbox),%r12
		mov	96($sbox),%r13
		lea	128($sbox),$sbox
1137 1138
		sub	\$1,%ecx
	jnz	.Lcbc_prefetch_te
1139
	sub	\$2048,$sbox
1140 1141 1142

	test	\$-16,%rdx		# check upon length
	mov	%rdx,%r10
1143 1144 1145 1146
	mov	0(%rbp),$s0		# load iv
	mov	4(%rbp),$s1
	mov	8(%rbp),$s2
	mov	12(%rbp),$s3
1147 1148 1149 1150 1151 1152 1153 1154
	jz	.Lcbc_enc_tail		# short input...

.align	4
.Lcbc_enc_loop:
		xor	0($inp),$s0
		xor	4($inp),$s1
		xor	8($inp),$s2
		xor	12($inp),$s3
1155
		mov	$inp,$ivec	# if ($verticalspin) save inp
1156 1157 1158 1159

		mov	$keyp,$key	# restore key
		call	_x86_64_AES_encrypt

1160
		mov	$ivec,$inp	# if ($verticalspin) restore inp
1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174
		mov	$s0,0($out)
		mov	$s1,4($out)
		mov	$s2,8($out)
		mov	$s3,12($out)

		mov	$_len,%r10
		lea	16($inp),$inp
		lea	16($out),$out
		sub	\$16,%r10
		test	\$-16,%r10
		mov	%r10,$_len
	jnz	.Lcbc_enc_loop
	test	\$15,%r10
	jnz	.Lcbc_enc_tail
1175 1176 1177 1178 1179
	mov	$_ivp,%rbp	# restore ivp
	mov	$s0,0(%rbp)	# save ivec
	mov	$s1,4(%rbp)
	mov	$s2,8(%rbp)
	mov	$s3,12(%rbp)
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204

.align	4
.Lcbc_cleanup:
	cmpl	\$0,$mark	# was the key schedule copied?
	lea	$aes_key,%rdi
	mov	$_rsp,%rsp
	je	.Lcbc_exit
		mov	\$240/8,%ecx
		xor	%rax,%rax
		.long	0x90AB48F3	# rep stosq
.Lcbc_exit:
	popfq
	pop	%r15
	pop	%r14
	pop	%r13
	pop	%r12
	pop	%rbp
	pop	%rbx
.Lcbc_just_ret:
	ret
.align	4
.Lcbc_enc_tail:
	cmp	$inp,$out
	je	.Lcbc_enc_in_place
	mov	%r10,%rcx
1205 1206
	mov	$inp,%rsi
	mov	$out,%rdi
1207 1208 1209 1210 1211 1212
	.long	0xF689A4F3		# rep movsb
.Lcbc_enc_in_place:
	mov	\$16,%rcx		# zero tail
	sub	%r10,%rcx
	xor	%rax,%rax
	.long	0xF689AAF3		# rep stosb
1213
	mov	$out,$inp		# this is not a mistake!
1214 1215 1216 1217 1218
	movq	\$16,$_len		# len=16
	jmp	.Lcbc_enc_loop		# one more spin...
#----------------------------- DECRYPT -----------------------------#
.align	16
.LDECRYPT:
1219
	lea	AES_Td-.Lcbc_pic_point($sbox),$sbox
1220 1221 1222 1223 1224 1225

	# allocate aligned stack frame...
	lea	-64-248(%rsp),$key
	and	\$-64,$key

	# ... and make it doesn't alias with AES_Td modulo 4096
1226 1227
	mov	$sbox,%r10
	lea	3072($sbox),%r11
1228
	mov	$key,%r12
1229 1230
	and	\$0xFFF,%r10	# s = $sbox&0xfff
	and	\$0xFFF,%r11	# e = ($sbox+2048)&0xfff
1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
	and	\$0xFFF,%r12	# p = %rsp&0xfff

	cmp	%r11,%r12	# if (p=>e) %rsp =- (p-e);
	jb	.Lcbc_td_break_out
	sub	%r11,%r12
	sub	%r12,$key
	jmp	.Lcbc_td_ok
.Lcbc_td_break_out:		# else %rsp -= (p-s)&0xfff + framesz
	sub	%r10,%r12
	and	\$0xFFF,%r12
	add	\$320,%r12
	sub	%r12,$key
.align	4
.Lcbc_td_ok:

	xchg	%rsp,$key
	add	\$8,%rsp	# reserve for return address!
	mov	$key,$_rsp	# save %rsp
	mov	%rdx,$_len	# save copy of len
	mov	%rcx,$_key	# save copy of key
	mov	%r8,$_ivp	# save copy of ivp
	movl	\$0,$mark	# copy of aes_key->rounds = 0;
1253 1254 1255
	mov	%r8,%rbp	# rearrange input arguments
	mov	%rsi,$out
	mov	%rdi,$inp
1256 1257 1258 1259
	mov	%rcx,$key

	# do we copy key schedule to stack?
	mov	$key,%r10
1260
	sub	$sbox,%r10
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
	and	\$0xfff,%r10
	cmp	\$3072,%r10
	jb	.Lcbc_do_dcopy
	cmp	\$4096-248,%r10
	jb	.Lcbc_skip_dcopy
.align	4
.Lcbc_do_dcopy:
		mov	$key,%rsi
		lea	$aes_key,%rdi
		lea	$aes_key,$key
		mov	\$240/8,%ecx
		.long	0x90A548F3	# rep movsq
		mov	(%rsi),%eax	# copy aes_key->rounds
		mov	%eax,(%rdi)
.Lcbc_skip_dcopy:
	mov	$key,$keyp	# save key pointer

	mov	\$24,%ecx
.align	4
.Lcbc_prefetch_td:
1281 1282 1283 1284 1285
		mov	0($sbox),%r10
		mov	32($sbox),%r11
		mov	64($sbox),%r12
		mov	96($sbox),%r13
		lea	128($sbox),$sbox
1286 1287
		sub	\$1,%ecx
	jnz	.Lcbc_prefetch_td
1288
	sub	\$3072,$sbox
1289 1290 1291 1292

	cmp	$inp,$out
	je	.Lcbc_dec_in_place

1293
	mov	%rbp,$ivec
1294 1295 1296 1297 1298 1299
.align	4
.Lcbc_dec_loop:
		mov	0($inp),$s0		# read input
		mov	4($inp),$s1
		mov	8($inp),$s2
		mov	12($inp),$s3
1300
		mov	$inp,8+$ivec	# if ($verticalspin) save inp
1301

1302
		mov	$keyp,$key	# restore key
1303 1304
		call	_x86_64_AES_decrypt

1305 1306 1307 1308 1309 1310 1311
		mov	$ivec,%rbp	# load ivp
		mov	8+$ivec,$inp	# if ($verticalspin) restore inp
		xor	0(%rbp),$s0	# xor iv
		xor	4(%rbp),$s1
		xor	8(%rbp),$s2
		xor	12(%rbp),$s3
		mov	$inp,%rbp	# current input, next iv
1312

1313
		mov	$_len,%r10	# load len
1314 1315
		sub	\$16,%r10
		jc	.Lcbc_dec_partial
1316 1317
		mov	%r10,$_len	# update len
		mov	%rbp,$ivec	# update ivp
1318

1319
		mov	$s0,0($out)	# write output
1320 1321 1322 1323 1324 1325 1326 1327
		mov	$s1,4($out)
		mov	$s2,8($out)
		mov	$s3,12($out)

		lea	16($inp),$inp
		lea	16($out),$out
	jnz	.Lcbc_dec_loop
.Lcbc_dec_end:
1328 1329 1330 1331 1332
	mov	$_ivp,%r12		# load user ivp
	mov	0(%rbp),%r10		# load iv
	mov	8(%rbp),%r11
	mov	%r10,0(%r12)		# copy back to user
	mov	%r11,8(%r12)
1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349
	jmp	.Lcbc_cleanup

.align	4
.Lcbc_dec_partial:
	mov	$s0,0+$ivec		# dump output to stack
	mov	$s1,4+$ivec
	mov	$s2,8+$ivec
	mov	$s3,12+$ivec
	mov	$out,%rdi
	lea	$ivec,%rsi
	mov	\$16,%rcx
	add	%r10,%rcx		# number of bytes to copy
	.long	0xF689A4F3		# rep movsb
	jmp	.Lcbc_dec_end

.align	16
.Lcbc_dec_in_place:
1350
		mov	0($inp),$s0	# load input
1351 1352 1353 1354
		mov	4($inp),$s1
		mov	8($inp),$s2
		mov	12($inp),$s3

1355
		mov	$inp,$ivec	# if ($verticalspin) save inp
1356 1357 1358
		mov	$keyp,$key
		call	_x86_64_AES_decrypt

1359 1360 1361 1362 1363 1364
		mov	$ivec,$inp	# if ($verticalspin) restore inp
		mov	$_ivp,%rbp
		xor	0(%rbp),$s0
		xor	4(%rbp),$s1
		xor	8(%rbp),$s2
		xor	12(%rbp),$s3
1365

1366
		mov	0($inp),%r10	# copy input to iv
1367
		mov	8($inp),%r11
1368 1369
		mov	%r10,0(%rbp)
		mov	%r11,8(%rbp)
1370

1371
		mov	$s0,0($out)	# save output [zaps input]
1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388
		mov	$s1,4($out)
		mov	$s2,8($out)
		mov	$s3,12($out)

		mov	$_len,%rcx
		lea	16($inp),$inp
		lea	16($out),$out
		sub	\$16,%rcx
		jc	.Lcbc_dec_in_place_partial
		mov	%rcx,$_len
	jnz	.Lcbc_dec_in_place
	jmp	.Lcbc_cleanup

.align	4
.Lcbc_dec_in_place_partial:
	# one can argue if this is actually required
	lea	($out,%rcx),%rdi
1389
	lea	(%rbp,%rcx),%rsi
1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606
	neg	%rcx
	.long	0xF689A4F3	# rep movsb	# restore tail
	jmp	.Lcbc_cleanup
.size	AES_cbc_encrypt,.-AES_cbc_encrypt
___
}

$code.=<<___;
.globl	AES_Te
.align	64
AES_Te:
___
	&_data_word(0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6);
	&_data_word(0x0df2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591);
	&_data_word(0x50303060, 0x03010102, 0xa96767ce, 0x7d2b2b56);
	&_data_word(0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec);
	&_data_word(0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa);
	&_data_word(0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb);
	&_data_word(0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45);
	&_data_word(0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b);
	&_data_word(0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c);
	&_data_word(0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83);
	&_data_word(0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9);
	&_data_word(0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a);
	&_data_word(0x0c040408, 0x52c7c795, 0x65232346, 0x5ec3c39d);
	&_data_word(0x28181830, 0xa1969637, 0x0f05050a, 0xb59a9a2f);
	&_data_word(0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df);
	&_data_word(0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea);
	&_data_word(0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34);
	&_data_word(0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b);
	&_data_word(0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d);
	&_data_word(0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413);
	&_data_word(0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1);
	&_data_word(0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6);
	&_data_word(0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972);
	&_data_word(0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85);
	&_data_word(0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed);
	&_data_word(0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511);
	&_data_word(0xcf45458a, 0x10f9f9e9, 0x06020204, 0x817f7ffe);
	&_data_word(0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b);
	&_data_word(0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05);
	&_data_word(0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1);
	&_data_word(0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142);
	&_data_word(0x30101020, 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf);
	&_data_word(0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3);
	&_data_word(0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e);
	&_data_word(0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a);
	&_data_word(0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6);
	&_data_word(0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3);
	&_data_word(0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b);
	&_data_word(0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428);
	&_data_word(0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad);
	&_data_word(0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14);
	&_data_word(0xdb494992, 0x0a06060c, 0x6c242448, 0xe45c5cb8);
	&_data_word(0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4);
	&_data_word(0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2);
	&_data_word(0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda);
	&_data_word(0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949);
	&_data_word(0xb46c6cd8, 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf);
	&_data_word(0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810);
	&_data_word(0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c);
	&_data_word(0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697);
	&_data_word(0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e);
	&_data_word(0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f);
	&_data_word(0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc);
	&_data_word(0xd8484890, 0x05030306, 0x01f6f6f7, 0x120e0e1c);
	&_data_word(0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969);
	&_data_word(0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27);
	&_data_word(0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122);
	&_data_word(0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433);
	&_data_word(0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9);
	&_data_word(0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5);
	&_data_word(0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a);
	&_data_word(0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0);
	&_data_word(0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e);
	&_data_word(0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c);
#rcon:
$code.=<<___;
	.long	0x00000001, 0x00000002, 0x00000004, 0x00000008
	.long	0x00000010, 0x00000020, 0x00000040, 0x00000080
	.long	0x0000001b, 0x00000036, 0, 0, 0, 0, 0, 0
___
$code.=<<___;
.globl	AES_Td
.align	64
AES_Td:
___
	&_data_word(0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a);
	&_data_word(0xcb6bab3b, 0xf1459d1f, 0xab58faac, 0x9303e34b);
	&_data_word(0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5);
	&_data_word(0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5);
	&_data_word(0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d);
	&_data_word(0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b);
	&_data_word(0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295);
	&_data_word(0x2d83bed4, 0xd3217458, 0x2969e049, 0x44c8c98e);
	&_data_word(0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927);
	&_data_word(0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d);
	&_data_word(0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362);
	&_data_word(0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9);
	&_data_word(0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52);
	&_data_word(0x23d373ab, 0xe2024b72, 0x578f1fe3, 0x2aab5566);
	&_data_word(0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3);
	&_data_word(0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed);
	&_data_word(0x2b1ccf8a, 0x92b479a7, 0xf0f207f3, 0xa1e2694e);
	&_data_word(0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4);
	&_data_word(0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4);
	&_data_word(0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd);
	&_data_word(0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d);
	&_data_word(0xb58d5491, 0x055dc471, 0x6fd40604, 0xff155060);
	&_data_word(0x24fb9819, 0x97e9bdd6, 0xcc434089, 0x779ed967);
	&_data_word(0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879);
	&_data_word(0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000);
	&_data_word(0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c);
	&_data_word(0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36);
	&_data_word(0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624);
	&_data_word(0xb1670a0c, 0x0fe75793, 0xd296eeb4, 0x9e919b1b);
	&_data_word(0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c);
	&_data_word(0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12);
	&_data_word(0x0b0d090e, 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14);
	&_data_word(0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3);
	&_data_word(0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b);
	&_data_word(0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8);
	&_data_word(0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684);
	&_data_word(0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7);
	&_data_word(0x4b2f9e1d, 0xf330b2dc, 0xec52860d, 0xd0e3c177);
	&_data_word(0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947);
	&_data_word(0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322);
	&_data_word(0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498);
	&_data_word(0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f);
	&_data_word(0xe49d3a2c, 0x0d927850, 0x9bcc5f6a, 0x62467e54);
	&_data_word(0xc2138df6, 0xe8b8d890, 0x5ef7392e, 0xf5afc382);
	&_data_word(0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf);
	&_data_word(0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb);
	&_data_word(0x097826cd, 0xf418596e, 0x01b79aec, 0xa89a4f83);
	&_data_word(0x656e95e6, 0x7ee6ffaa, 0x08cfbc21, 0xe6e815ef);
	&_data_word(0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029);
	&_data_word(0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235);
	&_data_word(0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733);
	&_data_word(0x4a9804f1, 0xf7daec41, 0x0e50cd7f, 0x2ff69117);
	&_data_word(0x8dd64d76, 0x4db0ef43, 0x544daacc, 0xdf0496e4);
	&_data_word(0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546);
	&_data_word(0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb);
	&_data_word(0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d);
	&_data_word(0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb);
	&_data_word(0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a);
	&_data_word(0x59dfd29c, 0x3f73f255, 0x79ce1418, 0xbf37c773);
	&_data_word(0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478);
	&_data_word(0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2);
	&_data_word(0x72c31d16, 0x0c25e2bc, 0x8b493c28, 0x41950dff);
	&_data_word(0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664);
	&_data_word(0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0);
#Td4:
	&data_word(0x52525252, 0x09090909, 0x6a6a6a6a, 0xd5d5d5d5);
	&data_word(0x30303030, 0x36363636, 0xa5a5a5a5, 0x38383838);
	&data_word(0xbfbfbfbf, 0x40404040, 0xa3a3a3a3, 0x9e9e9e9e);
	&data_word(0x81818181, 0xf3f3f3f3, 0xd7d7d7d7, 0xfbfbfbfb);
	&data_word(0x7c7c7c7c, 0xe3e3e3e3, 0x39393939, 0x82828282);
	&data_word(0x9b9b9b9b, 0x2f2f2f2f, 0xffffffff, 0x87878787);
	&data_word(0x34343434, 0x8e8e8e8e, 0x43434343, 0x44444444);
	&data_word(0xc4c4c4c4, 0xdededede, 0xe9e9e9e9, 0xcbcbcbcb);
	&data_word(0x54545454, 0x7b7b7b7b, 0x94949494, 0x32323232);
	&data_word(0xa6a6a6a6, 0xc2c2c2c2, 0x23232323, 0x3d3d3d3d);
	&data_word(0xeeeeeeee, 0x4c4c4c4c, 0x95959595, 0x0b0b0b0b);
	&data_word(0x42424242, 0xfafafafa, 0xc3c3c3c3, 0x4e4e4e4e);
	&data_word(0x08080808, 0x2e2e2e2e, 0xa1a1a1a1, 0x66666666);
	&data_word(0x28282828, 0xd9d9d9d9, 0x24242424, 0xb2b2b2b2);
	&data_word(0x76767676, 0x5b5b5b5b, 0xa2a2a2a2, 0x49494949);
	&data_word(0x6d6d6d6d, 0x8b8b8b8b, 0xd1d1d1d1, 0x25252525);
	&data_word(0x72727272, 0xf8f8f8f8, 0xf6f6f6f6, 0x64646464);
	&data_word(0x86868686, 0x68686868, 0x98989898, 0x16161616);
	&data_word(0xd4d4d4d4, 0xa4a4a4a4, 0x5c5c5c5c, 0xcccccccc);
	&data_word(0x5d5d5d5d, 0x65656565, 0xb6b6b6b6, 0x92929292);
	&data_word(0x6c6c6c6c, 0x70707070, 0x48484848, 0x50505050);
	&data_word(0xfdfdfdfd, 0xedededed, 0xb9b9b9b9, 0xdadadada);
	&data_word(0x5e5e5e5e, 0x15151515, 0x46464646, 0x57575757);
	&data_word(0xa7a7a7a7, 0x8d8d8d8d, 0x9d9d9d9d, 0x84848484);
	&data_word(0x90909090, 0xd8d8d8d8, 0xabababab, 0x00000000);
	&data_word(0x8c8c8c8c, 0xbcbcbcbc, 0xd3d3d3d3, 0x0a0a0a0a);
	&data_word(0xf7f7f7f7, 0xe4e4e4e4, 0x58585858, 0x05050505);
	&data_word(0xb8b8b8b8, 0xb3b3b3b3, 0x45454545, 0x06060606);
	&data_word(0xd0d0d0d0, 0x2c2c2c2c, 0x1e1e1e1e, 0x8f8f8f8f);
	&data_word(0xcacacaca, 0x3f3f3f3f, 0x0f0f0f0f, 0x02020202);
	&data_word(0xc1c1c1c1, 0xafafafaf, 0xbdbdbdbd, 0x03030303);
	&data_word(0x01010101, 0x13131313, 0x8a8a8a8a, 0x6b6b6b6b);
	&data_word(0x3a3a3a3a, 0x91919191, 0x11111111, 0x41414141);
	&data_word(0x4f4f4f4f, 0x67676767, 0xdcdcdcdc, 0xeaeaeaea);
	&data_word(0x97979797, 0xf2f2f2f2, 0xcfcfcfcf, 0xcececece);
	&data_word(0xf0f0f0f0, 0xb4b4b4b4, 0xe6e6e6e6, 0x73737373);
	&data_word(0x96969696, 0xacacacac, 0x74747474, 0x22222222);
	&data_word(0xe7e7e7e7, 0xadadadad, 0x35353535, 0x85858585);
	&data_word(0xe2e2e2e2, 0xf9f9f9f9, 0x37373737, 0xe8e8e8e8);
	&data_word(0x1c1c1c1c, 0x75757575, 0xdfdfdfdf, 0x6e6e6e6e);
	&data_word(0x47474747, 0xf1f1f1f1, 0x1a1a1a1a, 0x71717171);
	&data_word(0x1d1d1d1d, 0x29292929, 0xc5c5c5c5, 0x89898989);
	&data_word(0x6f6f6f6f, 0xb7b7b7b7, 0x62626262, 0x0e0e0e0e);
	&data_word(0xaaaaaaaa, 0x18181818, 0xbebebebe, 0x1b1b1b1b);
	&data_word(0xfcfcfcfc, 0x56565656, 0x3e3e3e3e, 0x4b4b4b4b);
	&data_word(0xc6c6c6c6, 0xd2d2d2d2, 0x79797979, 0x20202020);
	&data_word(0x9a9a9a9a, 0xdbdbdbdb, 0xc0c0c0c0, 0xfefefefe);
	&data_word(0x78787878, 0xcdcdcdcd, 0x5a5a5a5a, 0xf4f4f4f4);
	&data_word(0x1f1f1f1f, 0xdddddddd, 0xa8a8a8a8, 0x33333333);
	&data_word(0x88888888, 0x07070707, 0xc7c7c7c7, 0x31313131);
	&data_word(0xb1b1b1b1, 0x12121212, 0x10101010, 0x59595959);
	&data_word(0x27272727, 0x80808080, 0xecececec, 0x5f5f5f5f);
	&data_word(0x60606060, 0x51515151, 0x7f7f7f7f, 0xa9a9a9a9);
	&data_word(0x19191919, 0xb5b5b5b5, 0x4a4a4a4a, 0x0d0d0d0d);
	&data_word(0x2d2d2d2d, 0xe5e5e5e5, 0x7a7a7a7a, 0x9f9f9f9f);
	&data_word(0x93939393, 0xc9c9c9c9, 0x9c9c9c9c, 0xefefefef);
	&data_word(0xa0a0a0a0, 0xe0e0e0e0, 0x3b3b3b3b, 0x4d4d4d4d);
	&data_word(0xaeaeaeae, 0x2a2a2a2a, 0xf5f5f5f5, 0xb0b0b0b0);
	&data_word(0xc8c8c8c8, 0xebebebeb, 0xbbbbbbbb, 0x3c3c3c3c);
	&data_word(0x83838383, 0x53535353, 0x99999999, 0x61616161);
	&data_word(0x17171717, 0x2b2b2b2b, 0x04040404, 0x7e7e7e7e);
	&data_word(0xbabababa, 0x77777777, 0xd6d6d6d6, 0x26262626);
	&data_word(0xe1e1e1e1, 0x69696969, 0x14141414, 0x63636363);
	&data_word(0x55555555, 0x21212121, 0x0c0c0c0c, 0x7d7d7d7d);

1607 1608
$code =~ s/\`([^\`]*)\`/eval($1)/gem;

1609 1610 1611
print $code;

close STDOUT;