From 19e20c7d09c45d85565db7aa39e27976204ddb40 Mon Sep 17 00:00:00 2001
From: jsteube <jens.steube@gmail.com>
Date: Thu, 30 Mar 2023 18:24:57 +0000
Subject: [PATCH] Add unit-test for -m 31500

---
 tools/test_modules/m31500.pm | 46 ++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tools/test_modules/m31500.pm

diff --git a/tools/test_modules/m31500.pm b/tools/test_modules/m31500.pm
new file mode 100644
index 000000000..f0f058656
--- /dev/null
+++ b/tools/test_modules/m31500.pm
@@ -0,0 +1,46 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Digest::MD5 qw (md5_hex);
+
+sub module_constraints { [[0, 256], [0, 256], [-1, -1], [-1, -1], [-1, -1]] }
+
+sub module_generate_hash
+{
+  my $word  = shift;
+  my $salt1 = shift;
+  my $salt2 = shift || random_numeric_string (random_number (1, 255));
+
+  my $digest = md5_hex (md5_hex (md5_hex ($word) . $salt1) . $salt2);
+
+  my $hash = sprintf ("%s:%s:%s", $digest, $salt1, $salt2);
+
+  return $hash;
+}
+
+sub module_verify_hash
+{
+  my $line = shift;
+
+  my ($hash, $salt1, $salt2, $word) = split (':', $line);
+
+  return unless defined $hash;
+  return unless defined $salt1;
+  return unless defined $salt2;
+  return unless defined $word;
+
+  my $word_packed = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word_packed, $salt1, $salt2);
+
+  return ($new_hash, $word);
+}
+
+1;