aes-ppc.pl

OpenSSL 0.9.8k 最新版OpenSSL

	xor	$t0,$t0,$acc04
	xor	$t1,$t1,$acc05
	xor	$t2,$t2,$acc06
	xor	$t3,$t3,$acc07
	xor	$t0,$t0,$acc08
	xor	$t1,$t1,$acc09
	xor	$t2,$t2,$acc10
	xor	$t3,$t3,$acc11
	xor	$s0,$t0,$acc12
	xor	$s1,$t1,$acc13
	xor	$s2,$t2,$acc14
	xor	$s3,$t3,$acc15
	addi	$key,$key,16
	bdnz-	Ldec_loop

	addi	$Tbl2,$Tbl0,2048
	nop
	lwz	$acc08,`2048+0`($Tbl0)	! prefetch Td4
	lwz	$acc09,`2048+32`($Tbl0)
	lwz	$acc10,`2048+64`($Tbl0)
	lwz	$acc11,`2048+96`($Tbl0)
	lwz	$acc08,`2048+128`($Tbl0)
	lwz	$acc09,`2048+160`($Tbl0)
	lwz	$acc10,`2048+192`($Tbl0)
	lwz	$acc11,`2048+224`($Tbl0)
	rlwinm	$acc00,$s0,`32-24`,24,31
	rlwinm	$acc01,$s1,`32-24`,24,31
	lwz	$t0,0($key)
	lwz	$t1,4($key)
	rlwinm	$acc02,$s2,`32-24`,24,31
	rlwinm	$acc03,$s3,`32-24`,24,31
	lwz	$t2,8($key)
	lwz	$t3,12($key)
	rlwinm	$acc04,$s3,`32-16`,24,31
	rlwinm	$acc05,$s0,`32-16`,24,31
	lbzx	$acc00,$Tbl2,$acc00
	lbzx	$acc01,$Tbl2,$acc01
	rlwinm	$acc06,$s1,`32-16`,24,31
	rlwinm	$acc07,$s2,`32-16`,24,31
	lbzx	$acc02,$Tbl2,$acc02
	lbzx	$acc03,$Tbl2,$acc03
	rlwinm	$acc08,$s2,`32-8`,24,31
	rlwinm	$acc09,$s3,`32-8`,24,31
	lbzx	$acc04,$Tbl2,$acc04
	lbzx	$acc05,$Tbl2,$acc05
	rlwinm	$acc10,$s0,`32-8`,24,31
	rlwinm	$acc11,$s1,`32-8`,24,31
	lbzx	$acc06,$Tbl2,$acc06
	lbzx	$acc07,$Tbl2,$acc07
	rlwinm	$acc12,$s1,`0`,24,31
	rlwinm	$acc13,$s2,`0`,24,31
	lbzx	$acc08,$Tbl2,$acc08
	lbzx	$acc09,$Tbl2,$acc09
	rlwinm	$acc14,$s3,`0`,24,31
	rlwinm	$acc15,$s0,`0`,24,31
	lbzx	$acc10,$Tbl2,$acc10
	lbzx	$acc11,$Tbl2,$acc11
	rlwinm	$s0,$acc00,24,0,7
	rlwinm	$s1,$acc01,24,0,7
	lbzx	$acc12,$Tbl2,$acc12
	lbzx	$acc13,$Tbl2,$acc13
	rlwinm	$s2,$acc02,24,0,7
	rlwinm	$s3,$acc03,24,0,7
	lbzx	$acc14,$Tbl2,$acc14
	lbzx	$acc15,$Tbl2,$acc15
	rlwimi	$s0,$acc04,16,8,15
	rlwimi	$s1,$acc05,16,8,15
	rlwimi	$s2,$acc06,16,8,15
	rlwimi	$s3,$acc07,16,8,15
	rlwimi	$s0,$acc08,8,16,23
	rlwimi	$s1,$acc09,8,16,23
	rlwimi	$s2,$acc10,8,16,23
	rlwimi	$s3,$acc11,8,16,23
	or	$s0,$s0,$acc12
	or	$s1,$s1,$acc13
	or	$s2,$s2,$acc14
	or	$s3,$s3,$acc15
	xor	$s0,$s0,$t0
	xor	$s1,$s1,$t1
	xor	$s2,$s2,$t2
	xor	$s3,$s3,$t3
	blr

.align	4
Lppc_AES_decrypt_compact:
	lwz	$acc00,240($key)
	lwz	$t0,0($key)
	lwz	$t1,4($key)
	lwz	$t2,8($key)
	lwz	$t3,12($key)
	addi	$Tbl1,$Tbl0,2048
	lis	$mask80,0x8080
	lis	$mask1b,0x1b1b
	addi	$key,$key,16
	ori	$mask80,$mask80,0x8080
	ori	$mask1b,$mask1b,0x1b1b
___
$code.=<<___ if ($SIZE_T==8);
	insrdi	$mask80,$mask80,32,0
	insrdi	$mask1b,$mask1b,32,0
___
$code.=<<___;
	mtctr	$acc00
.align	4
Ldec_compact_loop:
	xor	$s0,$s0,$t0
	xor	$s1,$s1,$t1
	xor	$s2,$s2,$t2
	xor	$s3,$s3,$t3
	rlwinm	$acc00,$s0,`32-24`,24,31
	rlwinm	$acc01,$s1,`32-24`,24,31
	rlwinm	$acc02,$s2,`32-24`,24,31
	rlwinm	$acc03,$s3,`32-24`,24,31
	lbzx	$acc00,$Tbl1,$acc00
	lbzx	$acc01,$Tbl1,$acc01
	rlwinm	$acc04,$s3,`32-16`,24,31
	rlwinm	$acc05,$s0,`32-16`,24,31
	lbzx	$acc02,$Tbl1,$acc02
	lbzx	$acc03,$Tbl1,$acc03
	rlwinm	$acc06,$s1,`32-16`,24,31
	rlwinm	$acc07,$s2,`32-16`,24,31
	lbzx	$acc04,$Tbl1,$acc04
	lbzx	$acc05,$Tbl1,$acc05
	rlwinm	$acc08,$s2,`32-8`,24,31
	rlwinm	$acc09,$s3,`32-8`,24,31
	lbzx	$acc06,$Tbl1,$acc06
	lbzx	$acc07,$Tbl1,$acc07
	rlwinm	$acc10,$s0,`32-8`,24,31
	rlwinm	$acc11,$s1,`32-8`,24,31
	lbzx	$acc08,$Tbl1,$acc08
	lbzx	$acc09,$Tbl1,$acc09
	rlwinm	$acc12,$s1,`0`,24,31
	rlwinm	$acc13,$s2,`0`,24,31
	lbzx	$acc10,$Tbl1,$acc10
	lbzx	$acc11,$Tbl1,$acc11
	rlwinm	$acc14,$s3,`0`,24,31
	rlwinm	$acc15,$s0,`0`,24,31
	lbzx	$acc12,$Tbl1,$acc12
	lbzx	$acc13,$Tbl1,$acc13
	rlwinm	$s0,$acc00,24,0,7
	rlwinm	$s1,$acc01,24,0,7
	lbzx	$acc14,$Tbl1,$acc14
	lbzx	$acc15,$Tbl1,$acc15
	rlwinm	$s2,$acc02,24,0,7
	rlwinm	$s3,$acc03,24,0,7
	rlwimi	$s0,$acc04,16,8,15
	rlwimi	$s1,$acc05,16,8,15
	rlwimi	$s2,$acc06,16,8,15
	rlwimi	$s3,$acc07,16,8,15
	rlwimi	$s0,$acc08,8,16,23
	rlwimi	$s1,$acc09,8,16,23
	rlwimi	$s2,$acc10,8,16,23
	rlwimi	$s3,$acc11,8,16,23
	lwz	$t0,0($key)
	lwz	$t1,4($key)
	or	$s0,$s0,$acc12
	or	$s1,$s1,$acc13
	lwz	$t2,8($key)
	lwz	$t3,12($key)
	or	$s2,$s2,$acc14
	or	$s3,$s3,$acc15

	addi	$key,$key,16
	bdz	Ldec_compact_done
___
$code.=<<___ if ($SIZE_T==8);
	# vectorized permutation improves decrypt performance by 10%
	insrdi	$s0,$s1,32,0
	insrdi	$s2,$s3,32,0

	and	$acc00,$s0,$mask80	# r1=r0&0x80808080
	and	$acc02,$s2,$mask80
	srdi	$acc04,$acc00,7		# r1>>7
	srdi	$acc06,$acc02,7
	andc	$acc08,$s0,$mask80	# r0&0x7f7f7f7f
	andc	$acc10,$s2,$mask80
	sub	$acc00,$acc00,$acc04	# r1-(r1>>7)
	sub	$acc02,$acc02,$acc06
	add	$acc08,$acc08,$acc08	# (r0&0x7f7f7f7f)<<1
	add	$acc10,$acc10,$acc10
	and	$acc00,$acc00,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc02,$acc02,$mask1b
	xor	$acc00,$acc00,$acc08	# r2
	xor	$acc02,$acc02,$acc10

	and	$acc04,$acc00,$mask80	# r1=r2&0x80808080
	and	$acc06,$acc02,$mask80
	srdi	$acc08,$acc04,7		# r1>>7
	srdi	$acc10,$acc06,7
	andc	$acc12,$acc00,$mask80	# r2&0x7f7f7f7f
	andc	$acc14,$acc02,$mask80
	sub	$acc04,$acc04,$acc08	# r1-(r1>>7)
	sub	$acc06,$acc06,$acc10
	add	$acc12,$acc12,$acc12	# (r2&0x7f7f7f7f)<<1
	add	$acc14,$acc14,$acc14
	and	$acc04,$acc04,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc06,$acc06,$mask1b
	xor	$acc04,$acc04,$acc12	# r4
	xor	$acc06,$acc06,$acc14

	and	$acc08,$acc04,$mask80	# r1=r4&0x80808080
	and	$acc10,$acc06,$mask80
	srdi	$acc12,$acc08,7		# r1>>7
	srdi	$acc14,$acc10,7
	sub	$acc08,$acc08,$acc12	# r1-(r1>>7)
	sub	$acc10,$acc10,$acc14
	andc	$acc12,$acc04,$mask80	# r4&0x7f7f7f7f
	andc	$acc14,$acc06,$mask80
	add	$acc12,$acc12,$acc12	# (r4&0x7f7f7f7f)<<1
	add	$acc14,$acc14,$acc14
	and	$acc08,$acc08,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc10,$acc10,$mask1b
	xor	$acc08,$acc08,$acc12	# r8
	xor	$acc10,$acc10,$acc14

	xor	$acc00,$acc00,$s0	# r2^r0
	xor	$acc02,$acc02,$s2
	xor	$acc04,$acc04,$s0	# r4^r0
	xor	$acc06,$acc06,$s2

	extrdi	$acc01,$acc00,32,0
	extrdi	$acc03,$acc02,32,0
	extrdi	$acc05,$acc04,32,0
	extrdi	$acc07,$acc06,32,0
	extrdi	$acc09,$acc08,32,0
	extrdi	$acc11,$acc10,32,0
___
$code.=<<___ if ($SIZE_T==4);
	and	$acc00,$s0,$mask80	# r1=r0&0x80808080
	and	$acc01,$s1,$mask80
	and	$acc02,$s2,$mask80
	and	$acc03,$s3,$mask80
	srwi	$acc04,$acc00,7		# r1>>7
	srwi	$acc05,$acc01,7
	srwi	$acc06,$acc02,7
	srwi	$acc07,$acc03,7
	andc	$acc08,$s0,$mask80	# r0&0x7f7f7f7f
	andc	$acc09,$s1,$mask80
	andc	$acc10,$s2,$mask80
	andc	$acc11,$s3,$mask80
	sub	$acc00,$acc00,$acc04	# r1-(r1>>7)
	sub	$acc01,$acc01,$acc05
	sub	$acc02,$acc02,$acc06
	sub	$acc03,$acc03,$acc07
	add	$acc08,$acc08,$acc08	# (r0&0x7f7f7f7f)<<1
	add	$acc09,$acc09,$acc09
	add	$acc10,$acc10,$acc10
	add	$acc11,$acc11,$acc11
	and	$acc00,$acc00,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc01,$acc01,$mask1b
	and	$acc02,$acc02,$mask1b
	and	$acc03,$acc03,$mask1b
	xor	$acc00,$acc00,$acc08	# r2
	xor	$acc01,$acc01,$acc09
	xor	$acc02,$acc02,$acc10
	xor	$acc03,$acc03,$acc11

	and	$acc04,$acc00,$mask80	# r1=r2&0x80808080
	and	$acc05,$acc01,$mask80
	and	$acc06,$acc02,$mask80
	and	$acc07,$acc03,$mask80
	srwi	$acc08,$acc04,7		# r1>>7
	srwi	$acc09,$acc05,7
	srwi	$acc10,$acc06,7
	srwi	$acc11,$acc07,7
	andc	$acc12,$acc00,$mask80	# r2&0x7f7f7f7f
	andc	$acc13,$acc01,$mask80
	andc	$acc14,$acc02,$mask80
	andc	$acc15,$acc03,$mask80
	sub	$acc04,$acc04,$acc08	# r1-(r1>>7)
	sub	$acc05,$acc05,$acc09
	sub	$acc06,$acc06,$acc10
	sub	$acc07,$acc07,$acc11
	add	$acc12,$acc12,$acc12	# (r2&0x7f7f7f7f)<<1
	add	$acc13,$acc13,$acc13
	add	$acc14,$acc14,$acc14
	add	$acc15,$acc15,$acc15
	and	$acc04,$acc04,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc05,$acc05,$mask1b
	and	$acc06,$acc06,$mask1b
	and	$acc07,$acc07,$mask1b
	xor	$acc04,$acc04,$acc12	# r4
	xor	$acc05,$acc05,$acc13
	xor	$acc06,$acc06,$acc14
	xor	$acc07,$acc07,$acc15

	and	$acc08,$acc04,$mask80	# r1=r4&0x80808080
	and	$acc09,$acc05,$mask80
	and	$acc10,$acc06,$mask80
	and	$acc11,$acc07,$mask80
	srwi	$acc12,$acc08,7		# r1>>7
	srwi	$acc13,$acc09,7
	srwi	$acc14,$acc10,7
	srwi	$acc15,$acc11,7
	sub	$acc08,$acc08,$acc12	# r1-(r1>>7)
	sub	$acc09,$acc09,$acc13
	sub	$acc10,$acc10,$acc14
	sub	$acc11,$acc11,$acc15
	andc	$acc12,$acc04,$mask80	# r4&0x7f7f7f7f
	andc	$acc13,$acc05,$mask80
	andc	$acc14,$acc06,$mask80
	andc	$acc15,$acc07,$mask80
	add	$acc12,$acc12,$acc12	# (r4&0x7f7f7f7f)<<1
	add	$acc13,$acc13,$acc13
	add	$acc14,$acc14,$acc14
	add	$acc15,$acc15,$acc15
	and	$acc08,$acc08,$mask1b	# (r1-(r1>>7))&0x1b1b1b1b
	and	$acc09,$acc09,$mask1b
	and	$acc10,$acc10,$mask1b
	and	$acc11,$acc11,$mask1b
	xor	$acc08,$acc08,$acc12	# r8
	xor	$acc09,$acc09,$acc13
	xor	$acc10,$acc10,$acc14
	xor	$acc11,$acc11,$acc15

	xor	$acc00,$acc00,$s0	# r2^r0
	xor	$acc01,$acc01,$s1
	xor	$acc02,$acc02,$s2
	xor	$acc03,$acc03,$s3
	xor	$acc04,$acc04,$s0	# r4^r0
	xor	$acc05,$acc05,$s1
	xor	$acc06,$acc06,$s2
	xor	$acc07,$acc07,$s3
___
$code.=<<___;
	rotrwi	$s0,$s0,8		# = ROTATE(r0,8)
	rotrwi	$s1,$s1,8
	rotrwi	$s2,$s2,8
	rotrwi	$s3,$s3,8
	xor	$s0,$s0,$acc00		# ^= r2^r0
	xor	$s1,$s1,$acc01
	xor	$s2,$s2,$acc02
	xor	$s3,$s3,$acc03
	xor	$acc00,$acc00,$acc08
	xor	$acc01,$acc01,$acc09
	xor	$acc02,$acc02,$acc10
	xor	$acc03,$acc03,$acc11
	xor	$s0,$s0,$acc04		# ^= r4^r0
	xor	$s1,$s1,$acc05
	xor	$s2,$s2,$acc06
	xor	$s3,$s3,$acc07
	rotrwi	$acc00,$acc00,24
	rotrwi	$acc01,$acc01,24
	rotrwi	$acc02,$acc02,24
	rotrwi	$acc03,$acc03,24
	xor	$acc04,$acc04,$acc08
	xor	$acc05,$acc05,$acc09
	xor	$acc06,$acc06,$acc10
	xor	$acc07,$acc07,$acc11
	xor	$s0,$s0,$acc08		# ^= r8 [^((r4^r0)^(r2^r0)=r4^r2)]
	xor	$s1,$s1,$acc09
	xor	$s2,$s2,$acc10
	xor	$s3,$s3,$acc11
	rotrwi	$acc04,$acc04,16
	rotrwi	$acc05,$acc05,16
	rotrwi	$acc06,$acc06,16
	rotrwi	$acc07,$acc07,16
	xor	$s0,$s0,$acc00		# ^= ROTATE(r8^r2^r0,24)
	xor	$s1,$s1,$acc01
	xor	$s2,$s2,$acc02
	xor	$s3,$s3,$acc03
	rotrwi	$acc08,$acc08,8
	rotrwi	$acc09,$acc09,8
	rotrwi	$acc10,$acc10,8
	rotrwi	$acc11,$acc11,8
	xor	$s0,$s0,$acc04		# ^= ROTATE(r8^r4^r0,16)
	xor	$s1,$s1,$acc05
	xor	$s2,$s2,$acc06
	xor	$s3,$s3,$acc07
	xor	$s0,$s0,$acc08		# ^= ROTATE(r8,8)	
	xor	$s1,$s1,$acc09	
	xor	$s2,$s2,$acc10	
	xor	$s3,$s3,$acc11	

	b	Ldec_compact_loop
.align	4
Ldec_compact_done:
	xor	$s0,$s0,$t0
	xor	$s1,$s1,$t1
	xor	$s2,$s2,$t2
	xor	$s3,$s3,$t3
	blr
.long	0
.asciz	"AES for PPC, CRYPTOGAMS by <appro\@openssl.org>"
.align	7
___

$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT;