Commit 83db9792 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Version of "incore" for Windows executables. Original by Andy.

parent 4feb7ef3
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@@ -4,6 +4,10 @@

 Changes between 1.0.1 and 1.1.0  [xx XXX xxxx]

  *) Add perl scripts to calculate FIPS signatures for Windows
     exectuables including WinCE. 
     [Andy Polyakov]

  *) Don't attempt to insert current time into AES/3DES tests, we should
     be just copying input line across and this breaks some systems lacking
     ctime. 

util/hmac_sha1.pl

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#!/usr/bin/env perl
#
# Copyright (c) 2011 The OpenSSL Project.
#
######################################################################
#
# SHA1 and HMAC in Perl by <appro@openssl.org>.
#
{ package SHA1;
  use integer;

    {
    ################################### SHA1 block code generator
    my @V = ('$A','$B','$C','$D','$E');
    my $i;

    sub XUpdate {
      my $ret;
	$ret="(\$T=\$W[($i-16)%16]^\$W[($i-14)%16]^\$W[($i-8)%16]^\$W[($i-3)%16],\n\t";
	if ((1<<31)<<1) {
	    $ret.="    \$W[$i%16]=((\$T<<1)|(\$T>>31))&0xffffffff)\n\t  ";
	} else {
	    $ret.="    \$W[$i%16]=(\$T<<1)|((\$T>>31)&1))\n\t  ";
	}
    }
    sub tail {
      my ($a,$b,$c,$d,$e)=@V;
      my $ret;
	if ((1<<31)<<1) {
	    $ret.="(($a<<5)|($a>>27));\n\t";
	    $ret.="$b=($b<<30)|($b>>2);	$e&=0xffffffff;	#$b&=0xffffffff;\n\t";
	} else {
	    $ret.="(($a<<5)|($a>>27)&0x1f);\n\t";
	    $ret.="$b=($b<<30)|($b>>2)&0x3fffffff;\n\t";
	}
      $ret;
    }
    sub BODY_00_15 {
	my ($a,$b,$c,$d,$e)=@V;
	"$e+=\$W[$i]+0x5a827999+((($c^$d)&$b)^$d)+".tail();
    }
    sub BODY_16_19 {
	my ($a,$b,$c,$d,$e)=@V;
	"$e+=".XUpdate()."+0x5a827999+((($c^$d)&$b)^$d)+".tail();
    }
    sub BODY_20_39 {
	my ($a,$b,$c,$d,$e)=@V;
	"$e+=".XUpdate()."+0x6ed9eba1+($b^$c^$d)+".tail();
    }
    sub BODY_40_59 {
	my ($a,$b,$c,$d,$e)=@V;
	"$e+=".XUpdate()."+0x8f1bbcdc+(($b&$c)|(($b|$c)&$d))+".tail();
    }
    sub BODY_60_79 {
	my ($a,$b,$c,$d,$e)=@V;
	"$e+=".XUpdate()."+0xca62c1d6+($b^$c^$d)+".tail();
    }

    my $sha1_impl =
    'sub block {
	my $self = @_[0];
	my @W    = unpack("N16",@_[1]);
	my ($A,$B,$C,$D,$E,$T) = @{$self->{H}};
	';

	$sha1_impl.='
	$A &= 0xffffffff;
	$B &= 0xffffffff;
	' if ((1<<31)<<1);

	for($i=0;$i<16;$i++){ $sha1_impl.=BODY_00_15(); unshift(@V,pop(@V)); }
	for(;$i<20;$i++)    { $sha1_impl.=BODY_16_19(); unshift(@V,pop(@V)); }
	for(;$i<40;$i++)    { $sha1_impl.=BODY_20_39(); unshift(@V,pop(@V)); }
	for(;$i<60;$i++)    { $sha1_impl.=BODY_40_59(); unshift(@V,pop(@V)); }
	for(;$i<80;$i++)    { $sha1_impl.=BODY_60_79(); unshift(@V,pop(@V)); }

	$sha1_impl.='
	$self->{H}[0]+=$A;	$self->{H}[1]+=$B;	$self->{H}[2]+=$C;
	$self->{H}[3]+=$D;	$self->{H}[4]+=$E;	}';

    #print $sha1_impl,"\n";
    eval($sha1_impl);		# generate code
    }

    sub Init {
	my $class = shift;	# multiple instances...
	my $self  = {};

	bless $self,$class;
	$self->{H} = [0x67452301,0xefcdab89,0x98badcfe,0x10325476,0xc3d2e1f0];
	$self->{N} = 0;
	return $self;
    }

    sub Update {
	my $self = shift;
	my $msg;

	foreach $msg (@_) {
	    my $len  = length($msg);
	    my $num  = length($self->{buf});
	    my $off  = 0;

	    $self->{N} += $len;

	    if (($num+$len)<64)
	    {	$self->{buf} .= $msg; next;	}
	    elsif ($num)
	    {	$self->{buf} .= substr($msg,0,($off=64-$num));
		$self->block($self->{buf});
	    }

	    while(($off+64) <= $len)
	    {	$self->block(substr($msg,$off,64));
		$off += 64;
	    }

	    $self->{buf} = substr($msg,$off);
	}
	return $self;
    }

    sub Final {
	my $self = shift;
	my $num  = length($self->{buf});

	$self->{buf} .= chr(0x80); $num++;
	if ($num>56)
	{   $self->{buf} .= chr(0)x(64-$num);
	    $self->block($self->{buf});
	    $self->{buf}=undef;
	    $num=0;
	}
	$self->{buf} .= chr(0)x(56-$num);
	$self->{buf} .= pack("N2",($self->{N}>>29)&0x7,$self->{N}<<3);
	$self->block($self->{buf});

	return pack("N*",@{$self->{H}});
    }

    sub Selftest {
	my $hash;

	$hash=SHA1->Init()->Update('abc')->Final();
	die "SHA1 test#1" if (unpack("H*",$hash) ne 'a9993e364706816aba3e25717850c26c9cd0d89d');

	$hash=SHA1->Init()->Update('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq')->Final();
	die "SHA1 test#2" if (unpack("H*",$hash) ne '84983e441c3bd26ebaae4aa1f95129e5e54670f1');

	#$hash=SHA1->Init()->Update('a'x1000000)->Final();
	#die "SHA1 test#3" if (unpack("H*",$hash) ne '34aa973cd4c4daa4f61eeb2bdbad27316534016f');
    }
}

{ package HMAC;

    sub Init {
	my $class = shift;
	my $key   = shift;
	my $self  = {};

	bless $self,$class;

	if (length($key)>64) {
	    $key = SHA1->Init()->Update($key)->Final();
	}
	$key .= chr(0x00)x(64-length($key));

	my @ikey = map($_^=0x36,unpack("C*",$key));
	($self->{hash} = SHA1->Init())->Update(pack("C*",@ikey));
	 $self->{okey} = pack("C*",map($_^=0x36^0x5c,@ikey));

	return $self;
    }

    sub Update {
	my $self = shift;
	$self->{hash}->Update(@_);
	return $self;
    }

    sub Final {
	my $self  = shift;
	my $ihash = $self->{hash}->Final();
	return SHA1->Init()->Update($self->{okey},$ihash)->Final();
    }

    sub Selftest {
	my $hmac;

	$hmac = HMAC->Init('0123456789:;<=>?@ABC')->Update('Sample #2')->Final();
	die "HMAC test" if (unpack("H*",$hmac) ne '0922d3405faa3d194f82a45830737d5cc6c75d24');
    }
}

1;

util/msincore

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#!/usr/bin/env perl
#
# Copyright (c) 2012 The OpenSSL Project.
#
# The script embeds fingerprint into Microsoft PE-COFF executable object.

$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;

unshift(@INC,$dir);
require "hmac_sha1.pl";

######################################################################
#
# PE-COFF segment table parser by <appro@openssl.org>.
#
{ package PECOFF;
  use FileHandle;

    sub dup  { my %copy=map {$_} @_; return \%copy; }

    sub Load {
	my $class = shift;
	my $self  = {};
	my $FD    = FileHandle->new();	# autoclose
	my $file  = shift;

	bless $self,$class;

	sysopen($FD,$file,0)		or die "$!";
	binmode($FD);

	#################################################
	# read IMAGE_DOS_HEADER
	#
	read($FD,my $mz,64) or die "$!";
	my @dos_header=unpack("a2C58V",$mz);

	$!=42;		# signal fipsld to revert to two-step link
	die "$file is not PE-COFF image" if (@dos_header[0] ne "MZ");

	my $e_lfanew=pop(@dos_header);
	seek($FD,$e_lfanew,0)		or die "$!";
	read($FD,my $magic,4)		or die "$!";

	$!=42;		# signal fipsld to revert to two-step link
	die "$file is not PE-COFF image" if (unpack("V",$magic)!=0x4550);

	#################################################
	# read and parse COFF header...
	#
	read($FD,my $coff,20) or die "$!";

	my %coff_header;
	@coff_header{machine,nsects,date,syms_off,nsyms,opt,flags}=
		unpack("v2V3v2",$coff);

	my $strings;
	my $symsize;

	#################################################
	# load strings table
	#
	if ($coff_header{syms_off}) {
	    seek($FD,$coff_header{syms_off}+18*$coff_header{nsyms},0) or die "$!";
	    read($FD,$strings,4) or die "$!";
	    $symsize = unpack("V",$strings);
	    read($FD,$strings,$symsize,4) or die "$!";
	}

	#################################################
	# read sections
	#
	my $i;

	# seek to section headers
	seek($FD,$e_lfanew+24+@coff_header{opt},0) or die "$!";

	for ($i=0;$i<$coff_header{nsects};$i++) {
	    my %coff_shdr;
	    my $name;

	    read($FD,my $section,40) or die "$!";

	    @coff_shdr{sh_name,sh_vsize,sh_vaddr,
	    		sh_rawsize,sh_offset,sh_relocs,sh_lines,
			sh_nrelocls,sh_nlines,sh_flags} =
		unpack("a8V6v2V",$section);

	    $name = $coff_shdr{sh_name};
	    # see if sh_name is an offset in $strings
	    my ($hi,$lo) = unpack("V2",$name);
	    if ($hi==0 && $lo<$symsize) {
		$name = substr($strings,$lo,64);
	    }
	    $name = (split(chr(0),$name))[0];
	    $coff_shdr{sh_name} = $name;

	    $self->{sections}{$name} = dup(%coff_shdr);
	}

	return $self;
    }

    sub Lookup {
	my $self = shift;
	my $name = shift;
	return $self->{sections}{$name};
    }
}

######################################################################
#
# main()
#
my $legacy_mode;

if ($#ARGV<0 || ($#ARGV>0 && !($legacy_mode=(@ARGV[0] =~ /^\-(dso|exe)$/)))) {
	print STDERR "usage: $0 [-dso|-exe] pe-coff-binary\n";
	exit(1);
}

$exe = PECOFF->Load(@ARGV[$#ARGV]);

sysopen(FD,@ARGV[$#ARGV],$legacy_mode?0:2) or die "$!";	# 2 is read/write
binmode(FD);

sub FIPS_incore_fingerprint {
  my $ctx = HMAC->Init("etaonrishdlcupfm");
  my ($beg,$end);
  my $sect;

    $sect = $exe->Lookup("fipstx")	or die "no fipstx section";

    seek(FD,$sect->{sh_offset},0)	or die "$!";
    read(FD,$blob,$sect->{sh_vsize})	or die "$!";

    ($beg = index($blob,"SPIFxet_ts_tXtra")) >= 0
					or die "no FIPS_text_startX";
    ($end = rindex($blob,"SPIFxet_ne_t][Xd")) >= 0
					or die "no FIPS_text_endX";

    $ctx->Update(substr($blob,$beg,$end-$beg));

    $sect = $exe->Lookup("fipsro")	or die "no fipsro section";

    seek(FD,$sect->{sh_offset},0)	or die "$!";
    read(FD,$blob,$sect->{sh_vsize})	or die "$!";

    ($beg = index($blob,"SPIFdor__atarats",40)) >= 0
					or die "no FIPS_rodata_start";
    ($end = rindex($blob,"SPIFdor__ata[dne")) >= 0
					or die "no FIPS_rodata_end";

    $ctx->Update(substr($blob,$beg,$end-$beg));

    return $ctx->Final();
}

$fingerprint = FIPS_incore_fingerprint();

if ($legacy_mode) {
    print unpack("H*",$fingerprint);
} else {
    my $sect = $exe->Lookup("fipsro");
    seek(FD,$sect->{sh_offset},0)		or die "$!";
    print FD unpack("H*",$fingerprint)		or die "$!";
}

close (FD);