#! /usr/bin/env perl
-# Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
#
-# Licensed under the OpenSSL license (the "License"). You may not use
+# 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
# details see http://www.openssl.org/~appro/cryptogams/.
#
# Specific modes and adaptation for Linux kernel by Ard Biesheuvel
-# <ard.biesheuvel@linaro.org>. Permission to use under GPL terms is
-# granted.
+# of Linaro. Permission to use under GPL terms is granted.
# ====================================================================
# Bit-sliced AES for ARM NEON
# <appro@openssl.org>
# April-August 2013
-#
-# Add CBC, CTR and XTS subroutines, adapt for kernel use.
-#
-# <ard.biesheuvel@linaro.org>
+# Add CBC, CTR and XTS subroutines and adapt for kernel use; courtesy of Ard.
-$flavour = shift;
-if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
-else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+# $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 && $ARGV[0] !~ m|\.| ? shift : undef;
if ($flavour && $flavour ne "void") {
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
die "can't locate arm-xlate.pl";
- open STDOUT,"| \"$^X\" $xlate $flavour $output";
+ open STDOUT,"| \"$^X\" $xlate $flavour \"$output\""
+ or die "can't call $xlate: $!";
} else {
- open STDOUT,">$output";
+ $output and open STDOUT,">$output";
}
my ($inp,$out,$len,$key)=("r0","r1","r2","r3");
sub InBasisChange {
# input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb
-# output in lsb > [b6, b5, b0, b3, b7, b1, b4, b2] < msb
+# output in lsb > [b6, b5, b0, b3, b7, b1, b4, b2] < msb
my @b=@_[0..7];
$code.=<<___;
veor @b[2], @b[2], @b[1]
.arch armv7-a
.fpu neon
-.text
.syntax unified @ ARMv7-capable assembler is expected to handle this
#if defined(__thumb2__) && !defined(__APPLE__)
.thumb
# undef __thumb2__
#endif
+.text
+
.type _bsaes_decrypt8,%function
.align 4
_bsaes_decrypt8:
- adr $const,_bsaes_decrypt8
+ adr $const,.
vldmia $key!, {@XMM[9]} @ round 0 key
-#ifdef __APPLE__
+#if defined(__thumb2__) || defined(__APPLE__)
adr $const,.LM0ISR
#else
add $const,$const,#.LM0ISR-_bsaes_decrypt8
.type _bsaes_encrypt8,%function
.align 4
_bsaes_encrypt8:
- adr $const,_bsaes_encrypt8
+ adr $const,.
vldmia $key!, {@XMM[9]} @ round 0 key
-#ifdef __APPLE__
+#if defined(__thumb2__) || defined(__APPLE__)
adr $const,.LM0SR
#else
sub $const,$const,#_bsaes_encrypt8-.LM0SR
.type _bsaes_key_convert,%function
.align 4
_bsaes_key_convert:
- adr $const,_bsaes_key_convert
+ adr $const,.
vld1.8 {@XMM[7]}, [$inp]! @ load round 0 key
-#ifdef __APPLE__
+#if defined(__thumb2__) || defined(__APPLE__)
adr $const,.LM0
#else
sub $const,$const,#_bsaes_key_convert-.LM0
#ifndef __thumb__
blo AES_cbc_encrypt
#else
- bhs 1f
+ bhs .Lcbc_do_bsaes
b AES_cbc_encrypt
-1:
+.Lcbc_do_bsaes:
#endif
#endif
vmov @XMM[4],@XMM[15] @ just in case ensure that IV
vmov @XMM[5],@XMM[0] @ and input are preserved
bl AES_decrypt
- vld1.8 {@XMM[0]}, [$fp,:64] @ load result
+ vld1.8 {@XMM[0]}, [$fp] @ load result
veor @XMM[0], @XMM[0], @XMM[4] @ ^= IV
vmov @XMM[15], @XMM[5] @ @XMM[5] holds input
vst1.8 {@XMM[0]}, [$rounds] @ write output
b .Lxts_enc_done
.align 4
.Lxts_enc_6:
- vst1.64 {@XMM[14]}, [r0,:128] @ next round tweak
-
veor @XMM[4], @XMM[4], @XMM[12]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
.align 5
.Lxts_enc_5:
- vst1.64 {@XMM[13]}, [r0,:128] @ next round tweak
-
veor @XMM[3], @XMM[3], @XMM[11]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_enc_done
.align 4
.Lxts_enc_4:
- vst1.64 {@XMM[12]}, [r0,:128] @ next round tweak
-
veor @XMM[2], @XMM[2], @XMM[10]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_enc_done
.align 4
.Lxts_enc_3:
- vst1.64 {@XMM[11]}, [r0,:128] @ next round tweak
-
veor @XMM[1], @XMM[1], @XMM[9]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_enc_done
.align 4
.Lxts_enc_2:
- vst1.64 {@XMM[10]}, [r0,:128] @ next round tweak
-
veor @XMM[0], @XMM[0], @XMM[8]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
.align 4
.Lxts_enc_1:
mov r0, sp
- veor @XMM[0], @XMM[8]
+ veor @XMM[0], @XMM[0], @XMM[8]
mov r1, sp
vst1.8 {@XMM[0]}, [sp,:128]
mov r2, $key
b .Lxts_dec_done
.align 4
.Lxts_dec_5:
- vst1.64 {@XMM[13]}, [r0,:128] @ next round tweak
-
veor @XMM[3], @XMM[3], @XMM[11]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_dec_done
.align 4
.Lxts_dec_4:
- vst1.64 {@XMM[12]}, [r0,:128] @ next round tweak
-
veor @XMM[2], @XMM[2], @XMM[10]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_dec_done
.align 4
.Lxts_dec_3:
- vst1.64 {@XMM[11]}, [r0,:128] @ next round tweak
-
veor @XMM[1], @XMM[1], @XMM[9]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
b .Lxts_dec_done
.align 4
.Lxts_dec_2:
- vst1.64 {@XMM[10]}, [r0,:128] @ next round tweak
-
veor @XMM[0], @XMM[0], @XMM[8]
#ifndef BSAES_ASM_EXTENDED_KEY
add r4, sp, #0x90 @ pass key schedule
.align 4
.Lxts_dec_1:
mov r0, sp
- veor @XMM[0], @XMM[8]
+ veor @XMM[0], @XMM[0], @XMM[8]
mov r1, sp
vst1.8 {@XMM[0]}, [sp,:128]
mov r5, $magic @ preserve magic
print $code;
-close STDOUT;
+close STDOUT or die "error closing STDOUT";
projects / openssl.git / blobdiff