/**
* Set the encryption key
*
* @param string $key
* @return self
* @throws Exception\InvalidArgumentException
*/
public function setKey($key)
{
try {
$this->blockCipher->setKey($key);
} catch (CryptException\InvalidArgumentException $e) {
throw new Exception\InvalidArgumentException($e->getMessage());
}
$this->encryption['key'] = $key;
return $this;
}
/**
* Sets new encryption options
*
* @param string|array $options Encryption options
* @return BlockCipher
* @throws Exception\InvalidArgumentException
*/
public function setEncryption($options)
{
if (is_string($options)) {
$this->blockCipher->setKey($options);
$this->encryption['key'] = $options;
return $this;
}
if (!is_array($options)) {
throw new Exception\InvalidArgumentException('Invalid options argument provided to filter');
}
$options = $options + $this->encryption;
if (isset($options['key'])) {
$this->blockCipher->setKey($options['key']);
}
if (isset($options['algorithm'])) {
try {
$this->blockCipher->setCipherAlgorithm($options['algorithm']);
} catch (CryptException\InvalidArgumentException $e) {
throw new Exception\InvalidArgumentException("The algorithm '{$options['algorithm']}' is not supported");
}
}
if (isset($options['hash'])) {
try {
$this->blockCipher->setHashAlgorithm($options['hash']);
} catch (CryptException\InvalidArgumentException $e) {
throw new Exception\InvalidArgumentException("The algorithm '{$options['hash']}' is not supported");
}
}
if (isset($options['vector'])) {
$this->setVector($options['vector']);
}
if (isset($options['key_iteration'])) {
$this->blockCipher->setKeyIteration($options['key_iteration']);
}
$this->encryption = $options;
return $this;
}
