/**
* Generates hash keys.
*
* @param string|null $hashPassword
* @param string|null $iv
*
* @return array
*/
private function _roundKeys($hashPassword = null, $iv = null)
{
$roundKeys = [];
$prevKey = $this->_encrypt($this->key, $hashPassword, $iv);
for ($i = 1; $i <= $this->rounds; $i++) {
$prevKey = $this->_encrypt($prevKey, $hashPassword, $iv);
$roundKeys[$i] = substr(DataConverter::rawToBin($prevKey), -1 * $this->sideSize);
}
return $roundKeys;
}
/**
* @covers ::rawToBin
*/
public function testConvertingFromRawToBin()
{
foreach (self::$convertData as $name => $data) {
$raw = $data['raw'];
$binary = $data['binary'];
$msg = 'Convert "%s" from raw to binary form.';
$result = DataConverter::rawToBin($raw);
$this->assertEquals($binary, $result, sprintf($msg, $name));
}
}