/**
* {@inheritdoc}
*/
public function encrypt($value)
{
try {
$ciphertext = Crypto::Encrypt($value, $this->keyReader->read());
if (!$this->binaryOutput) {
$ciphertext = base64_encode($ciphertext);
if ($ciphertext === false) {
throw new SymmetricEncryptionException('Cannot encode message to base64');
}
}
return $ciphertext;
} catch (CryptoTestFailedException $e) {
throw SymmetricEncryptionException::cryptoTestFailed($e);
} catch (CannotPerformOperationException $e) {
throw SymmetricEncryptionException::cannotPerformOperation($e);
}
}
/**
* {@inheritdoc}
*/
public function decrypt($value)
{
try {
if (!$this->binaryOutput) {
$value = base64_decode($value, true);
if ($value === false) {
throw SymmetricEncryptionException::invalidCiphertext(new InvalidCiphertextException());
}
}
return Crypto::Decrypt($value, $this->keyReader->read());
} catch (InvalidCiphertextException $e) {
throw SymmetricEncryptionException::invalidCiphertext($e);
} catch (CryptoTestFailedException $e) {
throw SymmetricEncryptionException::cryptoTestFailed($e);
} catch (CannotPerformOperationException $e) {
throw SymmetricEncryptionException::cannotPerformOperation($e);
}
}
/**
* Reader should throw the error when a key file unable to read
*
* @expectedException \Gtt\Bundle\CryptBundle\Exception\KeyReaderException
*/
public function testReadError()
{
unlink($this->filename);
$subject = new KeyReader($this->filename);
@$subject->read();
}
/**
* Test encryption attempt with invalid key
*
* @expectedException \Gtt\Bundle\CryptBundle\Exception\SymmetricEncryptionException
* @expectedExceptionMessage Cannot safely perform decryption
*/
public function testCannotPerformOperation()
{
$this->keyReader->expects($this->once())->method('read')->willReturn('');
$encryptor = new AesEncryptor($this->keyReader, true);
$encryptor->encrypt(Fixtures::PLAIN_TEXT);
}
/**
* {@inheritdoc}
*/
protected function setUp()
{
$this->keyReader = $this->getMockBuilder('Gtt\\Bundle\\CryptBundle\\Bridge\\Aes\\KeyReader')->disableOriginalConstructor()->getMock();
$this->keyReader->expects($this->once())->method('read')->willReturn(Fixtures::key());
}
