/**
* @param Jose $jose
* @param string $key
* @param string|null $algorithm
* @return string
* @throws \InvalidArgumentException
*/
public function encode(Jose $jose, $key, $algorithm = null)
{
$algorithm = $algorithm ? $algorithm : $this->getDefaultAlgorithm();
if (false == Algorithm::isValid($algorithm)) {
throw new \InvalidArgumentException(sprintf("Invalid algorithm '%s'", $algorithm));
}
$jose->headerSet(JwsHeader::ALGORITHM, $algorithm);
$signing_input = $jose->getSigningInput();
$signature = $this->sign($signing_input, $key, $algorithm);
$signatureB64 = UrlSafeB64Encoder::encode($signature);
return $signing_input . '.' . $signatureB64;
}
