/**
* RSAVP1.
*
* @param \Jose\KeyConverter\RSAKey $key
* @param \Jose\Util\BigInteger $s
*
* @return \Jose\Util\BigInteger|false
*/
private static function getRSAVP1(RSAKey $key, BigInteger $s)
{
if ($s->compare(BigInteger::createFromDecimal(0)) < 0 || $s->compare($key->getModulus()) > 0) {
return false;
}
return self::exponentiate($key, $s);
}
/**
* @param string $value
*
* @return \Jose\Util\BigInteger
*/
private function convertBase64StringToBigInteger($value)
{
return BigInteger::createFromBinaryString(Base64Url::decode($value));
}
