/**
* @param McryptContainer $container
*/
public function setContainer(McryptContainer $container)
{
$this->data = $container->getData();
$this->passwordSalt = $container->getPasswordSalt();
$this->initializationVector = $container->getInitializationVector();
$this->cipher = $container->getCipher();
}
/**
* Decrypts the container data with the given key
* or returns false if the key is not valid.
*
* @param McryptContainer $container
* @param string $key
* @return bool|string
*/
public function decrypt(McryptContainer $container, $key)
{
$data = rtrim(mcrypt_decrypt($container->getCipher(), $this->getKeyHash($key, $container->getPasswordSalt()), $container->getData(), $this->mode, $container->getInitializationVector()), "");
$checkSum = substr($data, 0, 40);
$data = substr($data, 40);
if (sha1($data) != $checkSum) {
return false;
}
return $data;
}