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hashcat/tools/test_modules/m00400.pm

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Perl
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2019-01-18 22:09:19 +00:00
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
my $itoa64_1 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
use strict;
use warnings;
use Authen::Passphrase::PHPass;
sub module_constraints { [[0, 255], [8, 8], [0, 55], [8, 8], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift;
my $cost = 11;
if (length ($iter))
{
$cost = $iter;
}
my $ppr = Authen::Passphrase::PHPass->new
(
cost => $cost,
salt => $salt,
passphrase => $word,
);
my $hash_buf = $ppr->as_rfc2307;
return substr ($hash_buf, 7);
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $word) = split (':', $line);
return unless defined $hash;
return unless defined $word;
my $salt = substr ($hash, 4, 8);
# iterations = 2 ^ cost (where cost == $iter)
my $iter = index ($itoa64_1, substr ($hash, 3, 1));
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
return (substr ($hash, 0, 3) . substr ($new_hash, 3), $word);
}
1;