mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-23 15:18:16 +00:00
51 lines
955 B
Perl
51 lines
955 B
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::MD5 qw (md5_hex);
|
|
|
|
sub module_constraints { [[0, 255], [8, 8], [0, 55], [8, 8], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $user = shift // "postgres";
|
|
|
|
my $digest = md5_hex (md5_hex ($word . $user) . pack ("H*", $salt));
|
|
|
|
my $hash = sprintf ("\$postgres\$%s*%s*%s", $user, $salt, $digest);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($hash_in, $word) = split (/:/, $line);
|
|
|
|
return unless defined $hash_in;
|
|
return unless defined $word;
|
|
|
|
my (undef, $signature, $digest) = split ('\$', $hash_in);
|
|
|
|
return unless ($signature eq 'postgres');
|
|
|
|
my ($user, $salt, $hash) = split ('\*', $digest);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $user);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|