Add -m 8300 unit test

tools/test_modules/m08300.pm

@@ -0,0 +1,83 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Net::DNS::RR::NSEC3;
+use Net::DNS::SEC;
+
+sub module_constraints { [[1, 255], [-1, -1], [1, 55], [-1, -1], [-1, -1]] }
+
+sub get_random_dnssec_salt
+{
+  my $salt_buf = "";
+
+  $salt_buf .= ".";
+
+  $salt_buf .= random_lowercase_string (8);
+
+  $salt_buf .= ".net";
+
+  $salt_buf .= ":";
+
+  $salt_buf .= random_numeric_string (8);
+
+  return $salt_buf;
+}
+
+sub module_generate_hash
+{
+  my $word = shift;
+  my $salt = shift;
+  my $iter = shift // 1;
+
+  if (length $salt == 0)
+  {
+    $salt = get_random_dnssec_salt ();
+  }
+
+  my ($domain, $salt_hex) = split (":", $salt);
+
+  my $hashalg = Net::DNS::SEC->digtype ("SHA1");
+
+  my $salt_bin = pack ("H*", $salt_hex);
+
+  my $name = lc ($word . $domain);
+
+  my $hash_buf = Net::DNS::RR::NSEC3::name2hash ($hashalg, $name, $iter, $salt_bin);
+
+  my $hash = sprintf ("%s:%s:%s:%d", $hash_buf, $domain, $salt_hex, $iter);
+
+  return $hash;
+}
+
+sub module_verify_hash
+{
+  my $line = shift;
+
+  my @datas = split (":", $line);
+
+  return if scalar @datas != 5;
+
+  my ($hash, $domain, $salt, $iter, $word) = @datas;
+
+  $salt = $domain . ":" . $salt;
+
+  return unless defined $salt;
+  return unless defined $iter;
+  return unless defined $word;
+
+  $word = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word, $salt, $iter);
+
+  return ($new_hash, $word);
+}
+
+1;
+