/**
* Make sure the IV generation appears to work
*
* @dataProvider dataMakeIv
*/
public function testMakeIv($mode, $length)
{
$crypto = new Crypto('boo moo blah', $mode);
$iv1 = $crypto->makeIv();
$this->assertEquals($length, strlen($iv1), 'First IV had wrong length');
$iv2 = $crypto->makeIv();
$this->assertEquals($length, strlen($iv2), 'Second IV had wrong length');
$this->assertTrue($iv1 != $iv2, 'Generated IVs should never match');
}
