Is AES encryption supported by this PHP installation?
|
public static isSupported ( |
||
| $phpfunc | ||
| return | boolean | |
/**
* @covers FOF30\Encrypt\Aes::IsSupported
*
* @return void
*/
public function testIsSupported()
{
$functions_enabled = array('mcrypt_get_key_size', 'mcrypt_get_iv_size', 'mcrypt_create_iv', 'mcrypt_encrypt', 'mcrypt_decrypt', 'mcrypt_list_algorithms', 'hash', 'hash_algos', 'base64_encode', 'base64_decode');
$algorithms = array('rijndael-128', 'rijndael-192', 'rijndael-256');
$hashAlgos = array('sha256');
// Create a mock php function with all prerequisites met
$phpfunc = new MockPhpfunc();
$phpfunc->setFunctions($functions_enabled);
$phpfunc->setMcryptAlgorithms($algorithms);
$phpfunc->setHashAlgorithms($hashAlgos);
// Just for code coverage
$this->assertNotNull(Aes::isSupported());
// All prerequisites met = supported
$this->assertTrue(Aes::isSupported($phpfunc));
// No hash algorithms = not supported
$phpfunc->setHashAlgorithms(array());
$this->assertFalse(Aes::isSupported($phpfunc));
$phpfunc->setHashAlgorithms($hashAlgos);
// No mcrypt algorithms = not supported
$phpfunc->setMcryptAlgorithms(array());
$this->assertFalse(Aes::isSupported($phpfunc));
$phpfunc->setMcryptAlgorithms($algorithms);
// No required functions available = not supported
$phpfunc->setFunctions(array());
$this->assertFalse(Aes::isSupported($phpfunc));
$phpfunc->setFunctions($functions_enabled);
// Test with diminishing amounts of supported mcrypt algos (=not supported) – for code coverage
$temp = $algorithms;
while (!empty($temp)) {
array_pop($temp);
$phpfunc->setMcryptAlgorithms($temp);
$this->assertFalse(Aes::isSupported($phpfunc));
}
$phpfunc->setMcryptAlgorithms($algorithms);
// Test with diminishing amounts of supported functions (=not supported) – for code coverage
$temp = $functions_enabled;
while (!empty($temp)) {
array_pop($temp);
$phpfunc->setFunctions($temp);
$this->assertFalse(Aes::isSupported($phpfunc));
}
}
