nextcloud / server

	 * @throws InvalidTokenException

	 * @return string the decrypted key

	 */

	private function decryptPassword(string $password, string $token): string {

		$secret = $this->config->getSystemValue('secret');

		try {

			return $this->crypto->decrypt($password, $token . $secret);

		} catch (Exception $ex) {

			// Delete the invalid token

			$this->invalidateToken($token);

			throw new InvalidTokenException();

		}

	}

	public function markPasswordInvalid(IToken $token, string $tokenId) {

		if (!($token instanceof DefaultToken)) {

	/**

	 * @throws InvalidTokenException

	 */

	private function decrypt(string $cipherText, string $token): string {

		$secret = $this->config->getSystemValue('secret');

		try {

			return $this->crypto->decrypt($cipherText, $token . $secret);

		} catch (\Exception $ex) {

			// Delete the invalid token

			$this->invalidateToken($token);

			throw new InvalidTokenException();

		}

	}

	private function encryptPassword(string $password, string $publicKey): string {

		openssl_public_encrypt($password, $encryptedPassword, $publicKey, OPENSSL_PKCS1_OAEP_PADDING);