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Add -m 10500 unit test

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This commit is contained in:
jsteube 2019-02-19 12:46:25 +01:00
parent b8134ba920
commit 1c7e6d0eaf
2 changed files with 200 additions and 14 deletions
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20
tools/test_modules/m10400.pm
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@ -112,23 +112,23 @@ sub module_verify_hash
my ($hash_in, $word) = split ":", $line;
next unless defined $hash_in;
next unless defined $word;
return unless defined $hash_in;
return unless defined $word;
my @data = split /\*/, $hash_in;
next unless scalar @data == 11;
return unless scalar @data == 11;
next unless (shift @data eq '$pdf$1');
next unless (shift @data eq '2');
next unless (shift @data eq '40');
return unless (shift @data eq '$pdf$1');
return unless (shift @data eq '2');
return unless (shift @data eq '40');
my $P = shift @data;
next unless (shift @data eq '0');
next unless (shift @data eq '16');
return unless (shift @data eq '0');
return unless (shift @data eq '16');
my $id = shift @data;
next unless (shift @data eq '32');
return unless (shift @data eq '32');
my $u = shift @data;
next unless (shift @data eq '32');
return unless (shift @data eq '32');
my $o = shift @data;
my $salt = $id;

186
tools/test_modules/m10500.pm Normal file
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@ -0,0 +1,186 @@
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::RC4;
use Digest::MD5 qw (md5);
my $PDF_PADDING =
[
0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41, 0x64, 0x00, 0x4e, 0x56,
0xff, 0xfa, 0x01, 0x08, 0x2e, 0x2e, 0x00, 0xb6, 0xd0, 0x68, 0x3e, 0x80,
0x2f, 0x0c, 0xa9, 0xfe, 0x64, 0x53, 0x69, 0x7a
];
sub module_constraints { [[0, 15], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
sub pdf_compute_encryption_key
{
my $word_buf = shift;
my $padding = shift;
my $id = shift;
my $u = shift;
my $o = shift;
my $P = shift;
my $V = shift;
my $R = shift;
my $enc = shift;
## start
my $data;
$data .= $word_buf;
$data .= substr ($padding, 0, 32 - length $word_buf);
$data .= pack ("H*", $o);
$data .= pack ("I", $P);
$data .= pack ("H*", $id);
if ($R >= 4)
{
if (!$enc)
{
$data .= pack ("I", -1);
}
}
my $res = md5 ($data);
if ($R >= 3)
{
for (my $i = 0; $i < 50; $i++)
{
$res = md5 ($res);
}
}
return $res;
}
sub module_generate_hash
{
my $word = shift;
my $id = shift;
my $u = shift;
my $o = shift;
my $P = shift;
my $V = shift;
my $R = shift;
my $enc = shift;
if (defined $u == 0)
{
$u = "0" x 64;
}
my $u_save = $u;
if (defined $o == 0)
{
$o = "0" x 64;
}
if (defined $R == 0)
{
$R = random_number (3, 4);
}
if (defined $V == 0)
{
$V = ($R == 3) ? 2 : 4;
}
if (defined $P == 0)
{
$P = ($R == 3) ? -4 : -1028;
}
if (defined $enc == 0)
{
$enc = ($R == 3) ? 1 : random_number (0, 1);
}
my $padding;
for (my $i = 0; $i < 32; $i++)
{
$padding .= pack ("C", $PDF_PADDING->[$i]);
}
my $res = pdf_compute_encryption_key ($word, $padding, $id, $u, $o, $P, $V, $R, $enc);
my $digest = md5 ($padding . pack ("H*", $id));
my $m = Crypt::RC4->new ($res);
$u = $m->RC4 ($digest);
my @ress = split "", $res;
for (my $x = 1; $x <= 19; $x++)
{
my @xor;
for (my $i = 0; $i < 16; $i++)
{
$xor[$i] = chr (ord ($ress[$i]) ^ $x);
}
my $s = join ("", @xor);
my $m2 = Crypt::RC4->new ($s);
$u = $m2->RC4 ($u);
}
$u .= substr (pack ("H*", $u_save), 16, 16);
my $hash = sprintf ('$pdf$%d*%d*128*%d*%d*16*%s*32*%s*32*%s', $V, $R, $P, $enc, $id, unpack ("H*", $u), $o);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash_in, $word) = split ":", $line;
next unless defined $hash_in;
next unless defined $word;
my @data = split /\*/, $hash_in;
next unless scalar @data == 11;
my $V = shift @data; $V = substr ($V, 5, 1);
my $R = shift @data;
return unless (shift @data eq '128');
my $P = shift @data;
my $enc = shift @data;
return unless (shift @data eq '16');
my $id = shift @data;
return unless (shift @data eq '32');
my $u = shift @data;
return unless (shift @data eq '32');
my $o = shift @data;
return unless defined $id;
return unless defined $word;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $id, $u, $o, $P, $V, $R, $enc);
return ($new_hash, $word);
}
1;