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mirror of https://github.com/hashcat/hashcat synced 2024-12-05 11:15:21 +01:00
hashcat/tools/test_modules/m09500.pm
2019-02-18 14:12:28 +01:00

129 lines
2.8 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::CBC;
use Digest::SHA qw (sha1);
use Encode;
sub module_constraints { [[0, 19], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift // 100000;
my $param = shift;
my $salt_bin = pack ("H*", $salt);
my $tmp = sha1 ($salt_bin . encode ("UTF-16LE", $word));
for (my $i = 0; $i < $iter; $i++)
{
my $num32 = pack ("L", $i);
$tmp = sha1 ($num32 . $tmp);
}
my $encryptedVerifierHashInputBlockKey = "\xfe\xa7\xd2\x76\x3b\x4b\x9e\x79";
my $encryptedVerifierHashValueBlockKey = "\xd7\xaa\x0f\x6d\x30\x61\x34\x4e";
my $final1 = sha1 ($tmp . $encryptedVerifierHashInputBlockKey);
my $final2 = sha1 ($tmp . $encryptedVerifierHashValueBlockKey);
my $key1 = substr ($final1, 0, 16);
my $key2 = substr ($final2, 0, 16);
my $cipher1 = Crypt::CBC->new ({
key => $key1,
cipher => "Crypt::Rijndael",
iv => $salt_bin,
literal_key => 1,
header => "none",
keysize => 16,
padding => "null",
});
my $cipher2 = Crypt::CBC->new ({
key => $key2,
cipher => "Crypt::Rijndael",
iv => $salt_bin,
literal_key => 1,
header => "none",
keysize => 16,
padding => "null",
});
my $encdata;
if (defined $param)
{
$encdata = $cipher1->decrypt (pack ("H*", $param));
}
else
{
$encdata = "A" x 16; ## can be anything
}
my $data1_buf = $encdata;
my $data2_buf = sha1 (substr ($data1_buf, 0, 16));
my $encrypted1 = unpack ("H*", $cipher1->encrypt ($data1_buf));
my $encrypted2 = unpack ("H*", $cipher2->encrypt ($data2_buf));
$encrypted2 = substr ($encrypted2, 0, 64);
my $hash = sprintf ("\$office\$*%d*%d*%d*%d*%s*%s*%s", 2010, $iter, 128, 16, $salt, $encrypted1, $encrypted2);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
# Office 2010
my ($hash_in, $word) = split ":", $line;
return unless defined $hash_in;
return unless defined $word;
my @data = split /\*/, $hash_in;
return unless scalar @data == 8;
return unless (shift @data eq '$office$');
return unless (shift @data eq '2010');
my $iter = shift @data;
return unless (shift @data eq '128');
return unless (shift @data eq '16');
return unless (length $data[0] == 32);
return unless (length $data[1] == 32);
return unless (length $data[2] == 64);
my $salt = shift @data;
#my $iter = shift @data;
my $param = shift @data;
return unless defined $salt;
return unless defined $word;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $iter, $param);
return ($new_hash, $word);
}
1;