hash poster passwords

inc/config.php

@@ -184,6 +184,9 @@
 	// Used to salt secure tripcodes ("##trip") and poster IDs (if enabled).
 	$config['secure_trip_salt'] = ')(*&^%$#@!98765432190zyxwvutsrqponmlkjihgfedcba';
 
+	// Used to salt poster passwords.
+	$config['secure_password_salt'] = 'wKJSb7M5SyzMcFWD2gPO3j2RYUSO9B789!@#$%^&*()';
+
 /*
  * ====================
  *  Flood/spam settings

inc/functions.php

@@ -3089,3 +3089,9 @@ function check_thread_limit($post) {
 		return $r['count'] >= $config['max_threads_per_hour'];
 	}
 }
+
+function hashPassword($password) {
+	global $config;
+
+	return hash('sha3-256', $password . $config['secure_password_salt']);
+}