Added new test module for mode 18500

tools/test_modules/m18500.pm

@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Digest::MD5 qw (md5_hex);
+use Digest::SHA1 qw (sha1_hex);
+
+sub module_generate_hash
+{
+  my $word = shift;
+
+  my $hash = sha1_hex (md5_hex (md5_hex ($word)));
+
+  return $hash;
+}
+
+sub module_verify_hash
+{
+  my $line = shift;
+
+  my ($hash, $word) = split (':', $line);
+
+  return unless defined $hash;
+  return unless defined $word;
+
+  $word = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word);
+
+  return unless defined $new_hash;
+
+  return unless $new_hash eq $hash;
+
+  return $new_hash;
+}
+
+1;