initial commit

CTF/Decryptify1.2/php/test2.php

@@ -0,0 +1,18 @@
+<?php
+function calculate_seed_value($email, $constant_value) {
+    $email_length = strlen($email);
+    $email_hex = hexdec(substr($email, 0, 8));
+    $seed_value = hexdec($email_length + $constant_value + $email_hex);
+
+    return $seed_value;
+}
+
+$email = "hello@fake.thm";
+$constant_value = 99999;
+
+$seed_value = calculate_seed_value($email, $constant_value);
+mt_srand($seed_value);
+$random = mt_rand();
+$invite_code = base64_encode($random);
+echo "The invite code for " . $email . " is: " . $invite_code;
+?>