mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-24 15:38:11 +00:00
88 lines
1.5 KiB
Perl
88 lines
1.5 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA qw (sha512);
|
|
|
|
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $default_salt = shift // 0;
|
|
|
|
my $iterations = 65536;
|
|
|
|
if ($default_salt == 1)
|
|
{
|
|
$salt = "0011223344556677";
|
|
}
|
|
|
|
my $digest = sha512 (pack ("H*", $salt) . $word);
|
|
|
|
for (my $i = 0; $i < $iterations; $i++)
|
|
{
|
|
$digest = sha512 ($digest);
|
|
}
|
|
|
|
$digest = unpack ("H*", $digest);
|
|
$digest = substr ($digest, 0, 16);
|
|
|
|
my $hash;
|
|
|
|
if ($default_salt == 0)
|
|
{
|
|
$hash = sprintf ("\$ecryptfs\$0\$1\$%s\$%s", $salt, $digest);
|
|
}
|
|
else
|
|
{
|
|
$hash = sprintf ("\$ecryptfs\$0\$%s", $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 $signature = substr ($hash_in, 0, 12);
|
|
|
|
return unless ($signature eq '$ecryptfs$0$');
|
|
|
|
my $digest = substr ($hash_in, 12);
|
|
|
|
my $default_salt = 1;
|
|
|
|
my ($param, $hash) = split ('\$', $digest);
|
|
|
|
$default_salt = 0 if ($param eq '1');
|
|
|
|
my $salt;
|
|
|
|
if ($default_salt == 0)
|
|
{
|
|
($salt, $hash) = split ('\$', $hash);
|
|
}
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $default_salt);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|