/**
* Defined by Zend\Filter\FilterInterface
*
* Decrypts $value with the defined settings
*
* @param string $value Content to decrypt
* @return string The decrypted content
*/
public function decrypt($value)
{
$decrypted = $this->blockCipher->decrypt($value);
// decompress after decryption
if (!empty($this->compression)) {
$decompress = new Decompress($this->compression);
$decrypted = $decompress($decrypted);
}
return $decrypted;
}
/**
* Ensures that the filter allows de/encryption with compression
*
* @return void
*/
public function testEncryptionWithDecryptionAndCompressionMcrypt()
{
if (version_compare(phpversion(), '5.4', '>=')) {
$this->markTestIncomplete('Code to test is not compatible with PHP 5.4 ');
}
if (!extension_loaded('bz2')) {
$this->markTestSkipped('This adapter needs the bz2 extension');
}
$filter = new BlockCipherEncryption(array('key' => 'testkey'));
$filter->setVector('1234567890123456');
$filter->setCompression('bz2');
$output = $filter->encrypt('teststring');
$this->assertNotEquals('teststring', $output);
$input = $filter->decrypt($output);
$this->assertEquals('teststring', trim($input));
}
/**
* Ensures that the filter allows de/encryption with compression
*
* @return void
*/
public function testEncryptionWithDecryptionAndCompressionMcrypt()
{
if (!extension_loaded('bz2')) {
$this->markTestSkipped('This adapter needs the bz2 extension');
}
$filter = new BlockCipherEncryption(array('key' => 'testkey'));
$filter->setVector('1234567890123456');
$filter->setCompression('bz2');
$output = $filter->encrypt('teststring');
$this->assertNotEquals('teststring', $output);
$input = $filter->decrypt($output);
$this->assertEquals('teststring', trim($input));
}