checkNotClosed();
        return this.password != null && this.password.length > 0 ? this.password.clone() : this.password == null ? null : new char[0];
    }

    /**
     * Securely wipes the password from memory
     */
    public void secureWipePassword() {
        if (this.password != null) {
            // Multi-pass secure wipe of password char array
            Arrays.fill(this.password, '\0');