1591 lines
38 KiB
Perl
Executable file
1591 lines
38 KiB
Perl
Executable file
#!/usr/bin/env perl
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#
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# ====================================================================
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# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
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# project. Rights for redistribution and usage in source and binary
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# forms are granted according to the OpenSSL license.
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# ====================================================================
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#
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# Version 1.2.
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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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# [you'll notice a lot of resemblance], such as compressed S-boxes
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# in little-endian byte order, prefetch of these tables in CBC mode,
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# as well as avoiding L1 cache aliasing between stack frame and key
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# schedule and already mentioned tables, compressed Td4...
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#
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# Performance in number of cycles per processed byte for 128-bit key:
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#
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# ECB CBC encrypt
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# AMD64 13.7 13.0(*)
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# EM64T 20.2 18.6(*)
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#
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# (*) CBC benchmarks are better than ECB thanks to custom ABI used
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# by the private block encryption function.
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$verticalspin=1; # unlike 32-bit version $verticalspin performs
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# ~15% better on both AMD and Intel cores
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$output=shift;
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open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";
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$code=".text\n";
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$s0="%eax";
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$s1="%ebx";
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$s2="%ecx";
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$s3="%edx";
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$acc0="%esi";
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$acc1="%edi";
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$acc2="%ebp";
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$inp="%r8";
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$out="%r9";
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$t0="%r10d";
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$t1="%r11d";
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$t2="%r12d";
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$rnds="%r13d";
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$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; }
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sub lo() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/;
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$r =~ s/%[er]([sd]i)/%\1l/;
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$r =~ s/%(r[0-9]+)[d]?/%\1b/; $r; }
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sub _data_word()
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{ my $i;
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while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; }
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}
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sub data_word()
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{ my $i;
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my $last=pop(@_);
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$code.=".long\t";
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while(defined($i=shift)) { $code.=sprintf"0x%08x,",$i; }
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$code.=sprintf"0x%08x\n",$last;
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}
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sub data_byte()
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{ my $i;
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my $last=pop(@_);
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$code.=".byte\t";
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while(defined($i=shift)) { $code.=sprintf"0x%02x,",$i&0xff; }
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$code.=sprintf"0x%02x\n",$last&0xff;
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}
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sub encvert()
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{ my $t3="%r8d"; # zaps $inp!
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$code.=<<___;
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# favor 3-way issue Opteron pipeline...
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movzb `&lo("$s0")`,$acc0
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movzb `&lo("$s1")`,$acc1
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movzb `&lo("$s2")`,$acc2
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mov 0($sbox,$acc0,8),$t0
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mov 0($sbox,$acc1,8),$t1
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mov 0($sbox,$acc2,8),$t2
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movzb `&hi("$s1")`,$acc0
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movzb `&hi("$s2")`,$acc1
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movzb `&lo("$s3")`,$acc2
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xor 3($sbox,$acc0,8),$t0
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xor 3($sbox,$acc1,8),$t1
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mov 0($sbox,$acc2,8),$t3
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movzb `&hi("$s3")`,$acc0
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shr \$16,$s2
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movzb `&hi("$s0")`,$acc2
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xor 3($sbox,$acc0,8),$t2
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shr \$16,$s3
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xor 3($sbox,$acc2,8),$t3
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shr \$16,$s1
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lea 16($key),$key
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shr \$16,$s0
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movzb `&lo("$s2")`,$acc0
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movzb `&lo("$s3")`,$acc1
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movzb `&lo("$s0")`,$acc2
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xor 2($sbox,$acc0,8),$t0
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xor 2($sbox,$acc1,8),$t1
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xor 2($sbox,$acc2,8),$t2
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movzb `&hi("$s3")`,$acc0
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movzb `&hi("$s0")`,$acc1
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movzb `&lo("$s1")`,$acc2
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xor 1($sbox,$acc0,8),$t0
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xor 1($sbox,$acc1,8),$t1
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xor 2($sbox,$acc2,8),$t3
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mov 12($key),$s3
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movzb `&hi("$s1")`,$acc1
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movzb `&hi("$s2")`,$acc2
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mov 0($key),$s0
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xor 1($sbox,$acc1,8),$t2
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xor 1($sbox,$acc2,8),$t3
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mov 4($key),$s1
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mov 8($key),$s2
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xor $t0,$s0
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xor $t1,$s1
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xor $t2,$s2
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xor $t3,$s3
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___
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}
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sub enclastvert()
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{ my $t3="%r8d"; # zaps $inp!
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$code.=<<___;
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movzb `&lo("$s0")`,$acc0
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movzb `&lo("$s1")`,$acc1
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movzb `&lo("$s2")`,$acc2
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mov 2($sbox,$acc0,8),$t0
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mov 2($sbox,$acc1,8),$t1
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mov 2($sbox,$acc2,8),$t2
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and \$0x000000ff,$t0
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and \$0x000000ff,$t1
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and \$0x000000ff,$t2
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movzb `&lo("$s3")`,$acc0
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movzb `&hi("$s1")`,$acc1
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movzb `&hi("$s2")`,$acc2
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mov 2($sbox,$acc0,8),$t3
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mov 0($sbox,$acc1,8),$acc1 #$t0
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mov 0($sbox,$acc2,8),$acc2 #$t1
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and \$0x000000ff,$t3
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and \$0x0000ff00,$acc1
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and \$0x0000ff00,$acc2
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xor $acc1,$t0
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xor $acc2,$t1
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shr \$16,$s2
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movzb `&hi("$s3")`,$acc0
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movzb `&hi("$s0")`,$acc1
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shr \$16,$s3
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mov 0($sbox,$acc0,8),$acc0 #$t2
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mov 0($sbox,$acc1,8),$acc1 #$t3
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and \$0x0000ff00,$acc0
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and \$0x0000ff00,$acc1
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shr \$16,$s1
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xor $acc0,$t2
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xor $acc1,$t3
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shr \$16,$s0
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movzb `&lo("$s2")`,$acc0
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movzb `&lo("$s3")`,$acc1
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movzb `&lo("$s0")`,$acc2
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mov 0($sbox,$acc0,8),$acc0 #$t0
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mov 0($sbox,$acc1,8),$acc1 #$t1
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mov 0($sbox,$acc2,8),$acc2 #$t2
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and \$0x00ff0000,$acc0
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and \$0x00ff0000,$acc1
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and \$0x00ff0000,$acc2
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xor $acc0,$t0
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xor $acc1,$t1
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xor $acc2,$t2
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movzb `&lo("$s1")`,$acc0
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movzb `&hi("$s3")`,$acc1
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movzb `&hi("$s0")`,$acc2
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mov 0($sbox,$acc0,8),$acc0 #$t3
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mov 2($sbox,$acc1,8),$acc1 #$t0
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mov 2($sbox,$acc2,8),$acc2 #$t1
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and \$0x00ff0000,$acc0
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and \$0xff000000,$acc1
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and \$0xff000000,$acc2
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xor $acc0,$t3
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xor $acc1,$t0
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xor $acc2,$t1
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movzb `&hi("$s1")`,$acc0
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movzb `&hi("$s2")`,$acc1
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mov 16+12($key),$s3
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mov 2($sbox,$acc0,8),$acc0 #$t2
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mov 2($sbox,$acc1,8),$acc1 #$t3
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mov 16+0($key),$s0
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and \$0xff000000,$acc0
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and \$0xff000000,$acc1
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xor $acc0,$t2
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xor $acc1,$t3
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mov 16+4($key),$s1
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mov 16+8($key),$s2
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xor $t0,$s0
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xor $t1,$s1
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xor $t2,$s2
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xor $t3,$s3
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___
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}
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sub encstep()
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{ my ($i,@s) = @_;
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my $tmp0=$acc0;
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my $tmp1=$acc1;
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my $tmp2=$acc2;
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my $out=($t0,$t1,$t2,$s[0])[$i];
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if ($i==3) {
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$tmp0=$s[1];
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$tmp1=$s[2];
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$tmp2=$s[3];
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}
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$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 ($i==0);
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$code.=" movzb ".&hi($s[1]).",$tmp0\n";
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$code.=" mov 0($sbox,$out,8),$out\n";
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$code.=" shr \$16,$tmp1\n";
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$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";
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$code.=" xor 1($sbox,$tmp2,8),$out\n";
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$code.=" mov $t0,$s[1]\n" if ($i==3);
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$code.=" mov $t1,$s[2]\n" if ($i==3);
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$code.=" mov $t2,$s[3]\n" if ($i==3);
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$code.="\n";
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}
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sub enclast()
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{ my ($i,@s)=@_;
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my $tmp0=$acc0;
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my $tmp1=$acc1;
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my $tmp2=$acc2;
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my $out=($t0,$t1,$t2,$s[0])[$i];
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if ($i==3) {
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$tmp0=$s[1];
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$tmp1=$s[2];
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$tmp2=$s[3];
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}
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$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,$tmp1\n";
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$code.=" mov $s[3],$tmp2\n" if ($i!=3);
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$code.=" and \$0x000000ff,$out\n";
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$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),$tmp0\n";
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$code.=" mov 0($sbox,$tmp1,8),$tmp1\n";
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$code.=" mov 2($sbox,$tmp2,8),$tmp2\n";
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$code.=" and \$0x0000ff00,$tmp0\n";
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$code.=" and \$0x00ff0000,$tmp1\n";
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$code.=" and \$0xff000000,$tmp2\n";
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$code.=" xor $tmp0,$out\n";
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$code.=" mov $t0,$s[1]\n" if ($i==3);
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$code.=" xor $tmp1,$out\n";
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$code.=" mov $t1,$s[2]\n" if ($i==3);
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$code.=" xor $tmp2,$out\n";
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$code.=" mov $t2,$s[3]\n" if ($i==3);
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$code.="\n";
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}
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$code.=<<___;
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.type _x86_64_AES_encrypt,\@abi-omnipotent
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.align 16
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_x86_64_AES_encrypt:
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xor 0($key),$s0 # xor with key
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xor 4($key),$s1
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xor 8($key),$s2
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xor 12($key),$s3
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mov 240($key),$rnds # load key->rounds
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sub \$1,$rnds
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jmp .Lenc_loop
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.align 16
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.Lenc_loop:
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___
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if ($verticalspin) { &encvert(); }
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else { &encstep(0,$s0,$s1,$s2,$s3);
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&encstep(1,$s1,$s2,$s3,$s0);
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&encstep(2,$s2,$s3,$s0,$s1);
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&encstep(3,$s3,$s0,$s1,$s2);
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}
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$code.=<<___;
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sub \$1,$rnds
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jnz .Lenc_loop
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___
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if ($verticalspin) { &enclastvert(); }
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else { &enclast(0,$s0,$s1,$s2,$s3);
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&enclast(1,$s1,$s2,$s3,$s0);
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&enclast(2,$s2,$s3,$s0,$s1);
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&enclast(3,$s3,$s0,$s1,$s2);
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$code.=<<___;
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xor 16+0($key),$s0 # xor with key
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xor 16+4($key),$s1
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xor 16+8($key),$s2
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xor 16+12($key),$s3
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___
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}
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$code.=<<___;
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.byte 0xf3,0xc3 # rep ret
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.size _x86_64_AES_encrypt,.-_x86_64_AES_encrypt
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___
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# void AES_encrypt (const void *inp,void *out,const AES_KEY *key);
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$code.=<<___;
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.globl AES_encrypt
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.type AES_encrypt,\@function,3
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.align 16
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AES_encrypt:
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push %rbx
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push %rbp
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push %r12
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push %r13
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push %r14
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push %r15
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mov %rdx,$key
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mov %rdi,$inp
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mov %rsi,$out
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.picmeup $sbox
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lea AES_Te-.($sbox),$sbox
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mov 0($inp),$s0
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mov 4($inp),$s1
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mov 8($inp),$s2
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mov 12($inp),$s3
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call _x86_64_AES_encrypt
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mov $s0,0($out)
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mov $s1,4($out)
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mov $s2,8($out)
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mov $s3,12($out)
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pop %r15
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pop %r14
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pop %r13
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pop %r12
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pop %rbp
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pop %rbx
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ret
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.size AES_encrypt,.-AES_encrypt
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___
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#------------------------------------------------------------------#
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sub decvert()
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{ my $t3="%r8d"; # zaps $inp!
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$code.=<<___;
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# favor 3-way issue Opteron pipeline...
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movzb `&lo("$s0")`,$acc0
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movzb `&lo("$s1")`,$acc1
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movzb `&lo("$s2")`,$acc2
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mov 0($sbox,$acc0,8),$t0
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mov 0($sbox,$acc1,8),$t1
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mov 0($sbox,$acc2,8),$t2
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movzb `&hi("$s3")`,$acc0
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movzb `&hi("$s0")`,$acc1
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movzb `&lo("$s3")`,$acc2
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xor 3($sbox,$acc0,8),$t0
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xor 3($sbox,$acc1,8),$t1
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mov 0($sbox,$acc2,8),$t3
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movzb `&hi("$s1")`,$acc0
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shr \$16,$s0
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movzb `&hi("$s2")`,$acc2
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xor 3($sbox,$acc0,8),$t2
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shr \$16,$s3
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xor 3($sbox,$acc2,8),$t3
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shr \$16,$s1
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lea 16($key),$key
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shr \$16,$s2
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movzb `&lo("$s2")`,$acc0
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movzb `&lo("$s3")`,$acc1
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movzb `&lo("$s0")`,$acc2
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xor 2($sbox,$acc0,8),$t0
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xor 2($sbox,$acc1,8),$t1
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xor 2($sbox,$acc2,8),$t2
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movzb `&hi("$s1")`,$acc0
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movzb `&hi("$s2")`,$acc1
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movzb `&lo("$s1")`,$acc2
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xor 1($sbox,$acc0,8),$t0
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xor 1($sbox,$acc1,8),$t1
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xor 2($sbox,$acc2,8),$t3
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movzb `&hi("$s3")`,$acc0
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mov 12($key),$s3
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movzb `&hi("$s0")`,$acc2
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xor 1($sbox,$acc0,8),$t2
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mov 0($key),$s0
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xor 1($sbox,$acc2,8),$t3
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xor $t0,$s0
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mov 4($key),$s1
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mov 8($key),$s2
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xor $t2,$s2
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xor $t1,$s1
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xor $t3,$s3
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___
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}
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sub declastvert()
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{ my $t3="%r8d"; # zaps $inp!
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$code.=<<___;
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movzb `&lo("$s0")`,$acc0
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movzb `&lo("$s1")`,$acc1
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movzb `&lo("$s2")`,$acc2
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movzb 2048($sbox,$acc0,1),$t0
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movzb 2048($sbox,$acc1,1),$t1
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movzb 2048($sbox,$acc2,1),$t2
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movzb `&lo("$s3")`,$acc0
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movzb `&hi("$s3")`,$acc1
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movzb `&hi("$s0")`,$acc2
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movzb 2048($sbox,$acc0,1),$t3
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movzb 2048($sbox,$acc1,1),$acc1 #$t0
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movzb 2048($sbox,$acc2,1),$acc2 #$t1
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shl \$8,$acc1
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shl \$8,$acc2
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xor $acc1,$t0
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xor $acc2,$t1
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shr \$16,$s3
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movzb `&hi("$s1")`,$acc0
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movzb `&hi("$s2")`,$acc1
|
|
shr \$16,$s0
|
|
movzb 2048($sbox,$acc0,1),$acc0 #$t2
|
|
movzb 2048($sbox,$acc1,1),$acc1 #$t3
|
|
|
|
shl \$8,$acc0
|
|
shl \$8,$acc1
|
|
shr \$16,$s1
|
|
xor $acc0,$t2
|
|
xor $acc1,$t3
|
|
shr \$16,$s2
|
|
|
|
movzb `&lo("$s2")`,$acc0
|
|
movzb `&lo("$s3")`,$acc1
|
|
movzb `&lo("$s0")`,$acc2
|
|
movzb 2048($sbox,$acc0,1),$acc0 #$t0
|
|
movzb 2048($sbox,$acc1,1),$acc1 #$t1
|
|
movzb 2048($sbox,$acc2,1),$acc2 #$t2
|
|
|
|
shl \$16,$acc0
|
|
shl \$16,$acc1
|
|
shl \$16,$acc2
|
|
|
|
xor $acc0,$t0
|
|
xor $acc1,$t1
|
|
xor $acc2,$t2
|
|
|
|
movzb `&lo("$s1")`,$acc0
|
|
movzb `&hi("$s1")`,$acc1
|
|
movzb `&hi("$s2")`,$acc2
|
|
movzb 2048($sbox,$acc0,1),$acc0 #$t3
|
|
movzb 2048($sbox,$acc1,1),$acc1 #$t0
|
|
movzb 2048($sbox,$acc2,1),$acc2 #$t1
|
|
|
|
shl \$16,$acc0
|
|
shl \$24,$acc1
|
|
shl \$24,$acc2
|
|
|
|
xor $acc0,$t3
|
|
xor $acc1,$t0
|
|
xor $acc2,$t1
|
|
|
|
movzb `&hi("$s3")`,$acc0
|
|
movzb `&hi("$s0")`,$acc1
|
|
mov 16+12($key),$s3
|
|
movzb 2048($sbox,$acc0,1),$acc0 #$t2
|
|
movzb 2048($sbox,$acc1,1),$acc1 #$t3
|
|
mov 16+0($key),$s0
|
|
|
|
shl \$24,$acc0
|
|
shl \$24,$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
|
|
___
|
|
}
|
|
|
|
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";
|
|
|
|
$code.=" mov 0($sbox,$out,8),$out\n";
|
|
$code.=" shr \$16,$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";
|
|
|
|
$code.=" xor 3($sbox,$tmp0,8),$out\n";
|
|
$code.=" xor 2($sbox,$tmp1,8),$out\n";
|
|
$code.=" xor 1($sbox,$tmp2,8),$out\n";
|
|
|
|
$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";
|
|
|
|
$code.=" movzb 2048($sbox,$out,1),$out\n";
|
|
$code.=" shr \$16,$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";
|
|
|
|
$code.=" movzb 2048($sbox,$tmp0,1),$tmp0\n";
|
|
$code.=" movzb 2048($sbox,$tmp1,1),$tmp1\n";
|
|
$code.=" movzb 2048($sbox,$tmp2,1),$tmp2\n";
|
|
|
|
$code.=" shl \$8,$tmp0\n";
|
|
$code.=" shl \$16,$tmp1\n";
|
|
$code.=" shl \$24,$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),$s3
|
|
|
|
mov 240($key),$rnds # load key->rounds
|
|
sub \$1,$rnds
|
|
jmp .Ldec_loop
|
|
.align 16
|
|
.Ldec_loop:
|
|
___
|
|
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
|
|
___
|
|
}
|
|
$code.=<<___;
|
|
sub \$1,$rnds
|
|
jnz .Ldec_loop
|
|
___
|
|
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),$s0 # xor with key
|
|
xor 16+4($key),$s1
|
|
xor 16+8($key),$s2
|
|
xor 16+12($key),$s3
|
|
___
|
|
}
|
|
$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
|
|
mov %rdi,$inp
|
|
mov %rsi,$out
|
|
|
|
.picmeup $sbox
|
|
lea AES_Td-.($sbox),$sbox
|
|
|
|
# prefetch Td4
|
|
lea 2048+128($sbox),$sbox;
|
|
mov 0-128($sbox),$s0
|
|
mov 32-128($sbox),$s1
|
|
mov 64-128($sbox),$s2
|
|
mov 96-128($sbox),$s3
|
|
mov 128-128($sbox),$s0
|
|
mov 160-128($sbox),$s1
|
|
mov 192-128($sbox),$s2
|
|
mov 224-128($sbox),$s3
|
|
lea -2048-128($sbox),$sbox;
|
|
|
|
mov 0($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
|
|
sub \$8,%rsp
|
|
|
|
call _x86_64_AES_set_encrypt_key
|
|
|
|
mov 8(%rsp),%rbp
|
|
mov 16(%rsp),%rbx
|
|
add \$24,%rsp
|
|
ret
|
|
.size AES_set_encrypt_key,.-AES_set_encrypt_key
|
|
|
|
.type _x86_64_AES_set_encrypt_key,\@abi-omnipotent
|
|
.align 16
|
|
_x86_64_AES_set_encrypt_key:
|
|
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 ();
|
|
$code.=<<___;
|
|
mov %eax,32(%rdi) # rk[8]
|
|
xor 4(%rdi),%eax
|
|
mov %eax,36(%rdi) # rk[9]
|
|
xor 8(%rdi),%eax
|
|
mov %eax,40(%rdi) # rk[10]
|
|
xor 12(%rdi),%eax
|
|
mov %eax,44(%rdi) # rk[11]
|
|
|
|
cmp \$6,%ecx
|
|
je .L14break
|
|
add \$1,%ecx
|
|
|
|
mov %eax,%edx
|
|
mov 16(%rdi),%eax # rk[4]
|
|
movz %dl,%esi # rk[11]>>0
|
|
mov 2(%rbp,%rsi,8),%ebx
|
|
movz %dh,%esi # rk[11]>>8
|
|
and \$0x000000FF,%ebx
|
|
xor %ebx,%eax
|
|
|
|
mov 0(%rbp,%rsi,8),%ebx
|
|
shr \$16,%edx
|
|
and \$0x0000FF00,%ebx
|
|
movz %dl,%esi # rk[11]>>16
|
|
xor %ebx,%eax
|
|
|
|
mov 0(%rbp,%rsi,8),%ebx
|
|
movz %dh,%esi # rk[11]>>24
|
|
and \$0x00FF0000,%ebx
|
|
xor %ebx,%eax
|
|
|
|
mov 2(%rbp,%rsi,8),%ebx
|
|
and \$0xFF000000,%ebx
|
|
xor %ebx,%eax
|
|
|
|
mov %eax,48(%rdi) # rk[12]
|
|
xor 20(%rdi),%eax
|
|
mov %eax,52(%rdi) # rk[13]
|
|
xor 24(%rdi),%eax
|
|
mov %eax,56(%rdi) # rk[14]
|
|
xor 28(%rdi),%eax
|
|
mov %eax,60(%rdi) # rk[15]
|
|
|
|
lea 32(%rdi),%rdi
|
|
jmp .L14loop
|
|
.L14break:
|
|
movl \$14,48(%rdi) # setup number of rounds
|
|
xor %rax,%rax
|
|
jmp .Lexit
|
|
|
|
.Lbadpointer:
|
|
mov \$-1,%rax
|
|
.Lexit:
|
|
.byte 0xf3,0xc3 # rep ret
|
|
.size _x86_64_AES_set_encrypt_key,.-_x86_64_AES_set_encrypt_key
|
|
___
|
|
|
|
sub deckey()
|
|
{ my ($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 %rbx
|
|
push %rbp
|
|
push %rdx # save key schedule
|
|
|
|
call _x86_64_AES_set_encrypt_key
|
|
mov (%rsp),%r8 # restore key schedule
|
|
cmp \$0,%eax
|
|
jne .Labort
|
|
|
|
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
|
|
.Labort:
|
|
mov 8(%rsp),%rbp
|
|
mov 16(%rsp),%rbx
|
|
add \$24,%rsp
|
|
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
|
|
mov %r9d,%r9d # clear upper half of enc
|
|
|
|
.picmeup $sbox
|
|
.Lcbc_pic_point:
|
|
|
|
cmp \$0,%r9
|
|
je .LDECRYPT
|
|
|
|
lea AES_Te-.Lcbc_pic_point($sbox),$sbox
|
|
|
|
# allocate aligned stack frame...
|
|
lea -64-248(%rsp),$key
|
|
and \$-64,$key
|
|
|
|
# ... and make it doesn't alias with AES_Te modulo 4096
|
|
mov $sbox,%r10
|
|
lea 2048($sbox),%r11
|
|
mov $key,%r12
|
|
and \$0xFFF,%r10 # s = $sbox&0xfff
|
|
and \$0xFFF,%r11 # e = ($sbox+2048)&0xfff
|
|
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;
|
|
mov %r8,%rbp # rearrange input arguments
|
|
mov %rsi,$out
|
|
mov %rdi,$inp
|
|
mov %rcx,$key
|
|
|
|
# do we copy key schedule to stack?
|
|
mov $key,%r10
|
|
sub $sbox,%r10
|
|
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:
|
|
mov 0($sbox),%r10
|
|
mov 32($sbox),%r11
|
|
mov 64($sbox),%r12
|
|
mov 96($sbox),%r13
|
|
lea 128($sbox),$sbox
|
|
sub \$1,%ecx
|
|
jnz .Lcbc_prefetch_te
|
|
sub \$2048,$sbox
|
|
|
|
test \$-16,%rdx # check upon length
|
|
mov %rdx,%r10
|
|
mov 0(%rbp),$s0 # load iv
|
|
mov 4(%rbp),$s1
|
|
mov 8(%rbp),$s2
|
|
mov 12(%rbp),$s3
|
|
jz .Lcbc_enc_tail # short input...
|
|
|
|
.align 4
|
|
.Lcbc_enc_loop:
|
|
xor 0($inp),$s0
|
|
xor 4($inp),$s1
|
|
xor 8($inp),$s2
|
|
xor 12($inp),$s3
|
|
mov $inp,$ivec # if ($verticalspin) save inp
|
|
|
|
mov $keyp,$key # restore key
|
|
call _x86_64_AES_encrypt
|
|
|
|
mov $ivec,$inp # if ($verticalspin) restore inp
|
|
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
|
|
mov $_ivp,%rbp # restore ivp
|
|
mov $s0,0(%rbp) # save ivec
|
|
mov $s1,4(%rbp)
|
|
mov $s2,8(%rbp)
|
|
mov $s3,12(%rbp)
|
|
|
|
.align 4
|
|
.Lcbc_cleanup:
|
|
cmpl \$0,$mark # was the key schedule copied?
|
|
lea $aes_key,%rdi
|
|
je .Lcbc_exit
|
|
mov \$240/8,%ecx
|
|
xor %rax,%rax
|
|
.long 0x90AB48F3 # rep stosq
|
|
.Lcbc_exit:
|
|
mov $_rsp,%rsp
|
|
popfq
|
|
pop %r15
|
|
pop %r14
|
|
pop %r13
|
|
pop %r12
|
|
pop %rbp
|
|
pop %rbx
|
|
.Lcbc_just_ret:
|
|
ret
|
|
.align 4
|
|
.Lcbc_enc_tail:
|
|
mov %rax,%r11
|
|
mov %rcx,%r12
|
|
mov %r10,%rcx
|
|
mov $inp,%rsi
|
|
mov $out,%rdi
|
|
.long 0xF689A4F3 # rep movsb
|
|
mov \$16,%rcx # zero tail
|
|
sub %r10,%rcx
|
|
xor %rax,%rax
|
|
.long 0xF689AAF3 # rep stosb
|
|
mov $out,$inp # this is not a mistake!
|
|
movq \$16,$_len # len=16
|
|
mov %r11,%rax
|
|
mov %r12,%rcx
|
|
jmp .Lcbc_enc_loop # one more spin...
|
|
#----------------------------- DECRYPT -----------------------------#
|
|
.align 16
|
|
.LDECRYPT:
|
|
lea AES_Td-.Lcbc_pic_point($sbox),$sbox
|
|
|
|
# allocate aligned stack frame...
|
|
lea -64-248(%rsp),$key
|
|
and \$-64,$key
|
|
|
|
# ... and make it doesn't alias with AES_Td modulo 4096
|
|
mov $sbox,%r10
|
|
lea 2304($sbox),%r11
|
|
mov $key,%r12
|
|
and \$0xFFF,%r10 # s = $sbox&0xfff
|
|
and \$0xFFF,%r11 # e = ($sbox+2048+256)&0xfff
|
|
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;
|
|
mov %r8,%rbp # rearrange input arguments
|
|
mov %rsi,$out
|
|
mov %rdi,$inp
|
|
mov %rcx,$key
|
|
|
|
# do we copy key schedule to stack?
|
|
mov $key,%r10
|
|
sub $sbox,%r10
|
|
and \$0xfff,%r10
|
|
cmp \$2304,%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 \$18,%ecx
|
|
.align 4
|
|
.Lcbc_prefetch_td:
|
|
mov 0($sbox),%r10
|
|
mov 32($sbox),%r11
|
|
mov 64($sbox),%r12
|
|
mov 96($sbox),%r13
|
|
lea 128($sbox),$sbox
|
|
sub \$1,%ecx
|
|
jnz .Lcbc_prefetch_td
|
|
sub \$2304,$sbox
|
|
|
|
cmp $inp,$out
|
|
je .Lcbc_dec_in_place
|
|
|
|
mov %rbp,$ivec
|
|
.align 4
|
|
.Lcbc_dec_loop:
|
|
mov 0($inp),$s0 # read input
|
|
mov 4($inp),$s1
|
|
mov 8($inp),$s2
|
|
mov 12($inp),$s3
|
|
mov $inp,8+$ivec # if ($verticalspin) save inp
|
|
|
|
mov $keyp,$key # restore key
|
|
call _x86_64_AES_decrypt
|
|
|
|
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
|
|
|
|
mov $_len,%r10 # load len
|
|
sub \$16,%r10
|
|
jc .Lcbc_dec_partial
|
|
mov %r10,$_len # update len
|
|
mov %rbp,$ivec # update ivp
|
|
|
|
mov $s0,0($out) # write output
|
|
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:
|
|
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)
|
|
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 $ivec,%rsi
|
|
mov \$16,%rcx
|
|
add %r10,%rcx # number of bytes to copy
|
|
.long 0xF689A4F3 # rep movsb
|
|
jmp .Lcbc_dec_end
|
|
|
|
.align 16
|
|
.Lcbc_dec_in_place:
|
|
mov 0($inp),$s0 # load input
|
|
mov 4($inp),$s1
|
|
mov 8($inp),$s2
|
|
mov 12($inp),$s3
|
|
|
|
mov $inp,$ivec # if ($verticalspin) save inp
|
|
mov $keyp,$key
|
|
call _x86_64_AES_decrypt
|
|
|
|
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),$s3
|
|
|
|
mov 0($inp),%r10 # copy input to iv
|
|
mov 8($inp),%r11
|
|
mov %r10,0(%rbp)
|
|
mov %r11,8(%rbp)
|
|
|
|
mov $s0,0($out) # save output [zaps input]
|
|
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
|
|
lea (%rbp,%rcx),%rsi
|
|
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_byte(0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38);
|
|
&data_byte(0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb);
|
|
&data_byte(0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87);
|
|
&data_byte(0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb);
|
|
&data_byte(0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d);
|
|
&data_byte(0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e);
|
|
&data_byte(0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2);
|
|
&data_byte(0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25);
|
|
&data_byte(0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16);
|
|
&data_byte(0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92);
|
|
&data_byte(0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda);
|
|
&data_byte(0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84);
|
|
&data_byte(0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a);
|
|
&data_byte(0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06);
|
|
&data_byte(0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02);
|
|
&data_byte(0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b);
|
|
&data_byte(0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea);
|
|
&data_byte(0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73);
|
|
&data_byte(0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85);
|
|
&data_byte(0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e);
|
|
&data_byte(0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89);
|
|
&data_byte(0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b);
|
|
&data_byte(0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20);
|
|
&data_byte(0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4);
|
|
&data_byte(0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31);
|
|
&data_byte(0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f);
|
|
&data_byte(0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d);
|
|
&data_byte(0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef);
|
|
&data_byte(0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0);
|
|
&data_byte(0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61);
|
|
&data_byte(0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26);
|
|
&data_byte(0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d);
|
|
|
|
$code =~ s/\`([^\`]*)\`/eval($1)/gem;
|
|
|
|
print $code;
|
|
|
|
close STDOUT;
|