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hashcat/tools/test_modules/m02410.pm

68 lines
1.2 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::MD5 qw (md5);
use POSIX qw (ceil);
sub module_constraints { [[-1, -1], [-1, -1], [0, 47], [1, 4], [0, 48]] }
sub pseudo_base64
{
my $itoa64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
my $md5 = shift;
my $s64 = "";
for my $i (0..3) {
my $v = unpack "V", substr ($md5, $i*4, 4);
for (1..4) {
$s64 .= substr ($itoa64, $v & 0x3f, 1);
$v >>= 6;
}
}
return $s64;
}
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $word_salt = $word . $salt;
my $word_salt_len = length ($word_salt);
my $pad_len = ceil ($word_salt_len / 16) * 16;
my $digest = md5 ($word_salt . "\0" x ($pad_len - $word_salt_len));
my $hash = sprintf ("%s:%s", pseudo_base64 ($digest), $salt);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $salt, $word) = split (':', $line);
return unless defined $hash;
return unless defined $salt;
return unless defined $word;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt);
return ($new_hash, $word);
}
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