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hashcat/tools/test_modules/m08900.pm
2022-01-30 10:35:51 +01:00

91 lines
1.6 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::ScryptKDF qw (scrypt_hash);
use MIME::Base64 qw (decode_base64);
sub module_constraints { [[0, 256], [1, 15], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $N = shift // 16384;
my $r = shift // 8;
my $p = shift // 1;
my $hash_buf = scrypt_hash ($word, $salt, $N, $r, $p, 32);
my $hash = sprintf ('%s', $hash_buf);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
# scrypt
return unless (substr ($line, 0, 7) eq 'SCRYPT:');
# get hash
my $index1 = index ($line, ":", 7);
return if $index1 < 1;
# N
my $N = substr ($line, 7, $index1 - 7);
my $index2 = index ($line, ":", $index1 + 1);
return if $index2 < 1;
# r
my $r = substr ($line, $index1 + 1, $index2 - $index1 - 1);
$index1 = index ($line, ":", $index2 + 1);
return if $index1 < 1;
# p
my $p = substr ($line, $index2 + 1, $index1 - $index2 - 1);
$index2 = index ($line, ":", $index1 + 1);
return if $index2 < 1;
# salt
my $salt = substr ($line, $index1 + 1, $index2 - $index1 - 1);
$salt = decode_base64 ($salt);
$index1 = index ($line, ":", $index2 + 1);
return if $index1 < 1;
# digest
my $word = substr ($line, $index1 + 1);
return unless defined $salt;
return unless defined $word;
return unless defined $N;
return unless defined $r;
return unless defined $p;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $N, $r, $p);
return ($new_hash, $word);
}
1;