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<?php
/**
* Tests for SimpleSAML\Utils\Crypto.
*/
class CryptoTest extends PHPUnit_Framework_TestCase
{
/**
* Test invalid input provided to the aesDecrypt() method.
*
* @expectedException InvalidArgumentException
*/
public function testAesDecryptBadInput()
{
$m = new ReflectionMethod('\SimpleSAML\Utils\Crypto', '_aesDecrypt');
$m->setAccessible(true);
$m->invokeArgs(null, array(array(), 'SECRET'));
}
/**
* Test invalid input provided to the aesEncrypt() method.
*
* @expectedException InvalidArgumentException
*/
public function testAesEncryptBadInput()
{
$m = new ReflectionMethod('\SimpleSAML\Utils\Crypto', '_aesEncrypt');
$m->setAccessible(true);
$m->invokeArgs(null, array(array(), 'SECRET'));
}
/**
* Test that aesDecrypt() works properly, being able to decrypt some previously known (and correct)
* ciphertext.
*/
public function testAesDecrypt()
{
if (!extension_loaded('openssl')) {
$this->setExpectedException('\SimpleSAML_Error_Exception');
}
$secret = 'SUPER_SECRET_SALT';
$m = new ReflectionMethod('\SimpleSAML\Utils\Crypto', '_aesDecrypt');
$m->setAccessible(true);
$plaintext = 'SUPER_SECRET_TEXT';
$ciphertext = 'NmRkODJlZGE2OTA3YTYwMm9En+KAReUk2z7Xi/b3c39kF/c1n6Vdj/zNARQt+UHU';
$this->assertEquals($plaintext, $m->invokeArgs(null, array(base64_decode($ciphertext), $secret)));
}
/**
* Test that aesEncrypt() produces ciphertexts that aesDecrypt() can decrypt.
*/
public function testAesEncrypt()
{
if (!extension_loaded('openssl')) {
$this->setExpectedException('\SimpleSAML_Error_Exception');
}
$secret = 'SUPER_SECRET_SALT';
$e = new ReflectionMethod('\SimpleSAML\Utils\Crypto', '_aesEncrypt');
$d = new ReflectionMethod('\SimpleSAML\Utils\Crypto', '_aesDecrypt');
$e->setAccessible(true);
$d->setAccessible(true);
$original_plaintext = 'SUPER_SECRET_TEXT';
$ciphertext = $e->invokeArgs(null, array($original_plaintext, $secret));
$decrypted_plaintext = $d->invokeArgs(null, array($ciphertext, $secret));
$this->assertEquals($original_plaintext, $decrypted_plaintext);
}
}
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