diff --git a/tools/test_modules/m12800.pm b/tools/test_modules/m12800.pm
new file mode 100644
index 000000000..76e18122c
--- /dev/null
+++ b/tools/test_modules/m12800.pm
@@ -0,0 +1,68 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Crypt::PBKDF2;
+use Digest::MD4 qw (md4_hex);
+use Encode;
+
+sub module_constraints { [[0, 255], [20, 20], [-1, -1], [-1, -1], [-1, -1]] }
+
+sub module_generate_hash
+{
+  my $word = shift;
+  my $salt = shift;
+  my $iter = shift // 100;
+
+  my $nt = md4_hex (encode ("UTF-16LE", $word));
+
+  my $pbkdf2 = Crypt::PBKDF2->new
+  (
+    hasher     => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
+    iterations => $iter,
+    output_len => 32
+  );
+
+  my $salt_buf_bin = pack ("H*", $salt);
+
+  my $tmp = $pbkdf2->PBKDF2 ($salt_buf_bin, uc (encode ("UTF-16LE", $nt)));
+
+  my $hash = sprintf ("v1;PPH1_MD4,%s,%d,%s", $salt, $iter, unpack ("H*", $tmp));
+
+  return $hash;
+}
+
+sub module_verify_hash
+{
+  my $line = shift;
+
+  my ($hash_in, $word) = split ":", $line;
+
+  return unless defined $hash_in;
+
+  my @data = split /\,/, $hash_in;
+
+  return unless scalar @data == 4;
+
+  return unless (shift @data eq 'v1;PPH1_MD4');
+
+  my $salt = shift @data;
+  my $iter = shift @data;
+
+  return unless defined $salt;
+  return unless defined $word;
+
+  $word = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word, $salt, $iter);
+
+  return ($new_hash, $word);
+}
+
+1;