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Add -m 10400 unit test

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jsteube 2019-02-19 12:37:43 +01:00
parent 07fa13b695
commit b8134ba920
1 changed files with 149 additions and 0 deletions
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tools/test_modules/m10400.pm Normal file
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#!/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 { [[-1, -1], [-1, -1], [0, 31], [32, 32], [-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;
if (defined $u == 0)
{
$u = "0" x 64;
}
if (defined $o == 0)
{
$o = "0" x 64;
}
if (defined $P == 0)
{
$P = -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, 1, 2, 0);
my $m = Crypt::RC4->new (substr ($res, 0, 5));
$u = $m->RC4 ($padding);
my $hash = sprintf ('$pdf$%d*%d*40*%d*%d*16*%s*32*%s*32*%s', 1, 2, $P, 0, $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 /\*/, $hash_in;
next unless scalar @data == 11;
next unless (shift @data eq '$pdf$1');
next unless (shift @data eq '2');
next unless (shift @data eq '40');
my $P = shift @data;
next unless (shift @data eq '0');
next unless (shift @data eq '16');
my $id = shift @data;
next unless (shift @data eq '32');
my $u = shift @data;
next unless (shift @data eq '32');
my $o = shift @data;
my $salt = $id;
my $param = $u;
my $param2 = $o;
my $param3 = $P;
return unless defined $salt;
return unless defined $word;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $param, $param2, $param3);
return ($new_hash, $word);
}
1;