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hashcat/tools/test_modules/m13500.pm

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Perl
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2019-02-19 15:13:24 +00:00
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::SHA qw (sha1_hex);
use Encode;
sub module_constraints { [[0, 256], [-1, -1], [0, 16], [-1, -1], [-1, -1]] }
2019-02-19 15:13:24 +00:00
sub get_pstoken_salt
{
my $pstoken_length = random_number (16, 255);
## not a valid pstoken but a better test
## because of random length
my $pstoken_const = random_bytes ($pstoken_length);
return unpack ("H*", $pstoken_const);
}
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
if (length $salt == 0)
{
$salt = get_pstoken_salt ();
}
my $hash_buf = sha1_hex (pack ("H*", $salt) . encode ("UTF-16LE", $word));
my $hash = sprintf ("%s:%s", $hash_buf, $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);
}
1;