/**
* @param array $values
*
* @return \phpseclib\Crypt\RSA
*/
private function getRsaObject(array $values)
{
$rsa = KeyConverter::fromArrayToRSACrypt($values);
$encryption_mode = $this->getEncryptionMode();
$rsa->setEncryptionMode($encryption_mode);
if (PHPSecLibRSA::ENCRYPTION_OAEP === $encryption_mode) {
$rsa->setHash($this->getHashAlgorithm());
$rsa->setMGFHash($this->getHashAlgorithm());
}
return $rsa;
}
/**
* @return \Jose\Object\JWKInterface[]
*/
public function getKeys()
{
$content = json_decode($this->getContent(), true);
Assertion::isArray($content, 'Invalid content.');
$jwkset = new JWKSet();
foreach ($content as $kid => $cert) {
$jwk = KeyConverter::loadKeyFromCertificate($cert);
Assertion::notEmpty($jwk, 'Invalid content.');
if (is_string($kid)) {
$jwk['kid'] = $kid;
}
$jwkset->addKey(new JWK($jwk));
}
return $jwkset->getKeys();
}
/**
* {@inheritdoc}
*/
public function sign(JWKInterface $key, $input)
{
$this->checkKey($key);
$values = array_intersect_key($key->getAll(), array_flip(['n', 'e', 'p', 'd', 'q', 'dp', 'dq', 'qi']));
$rsa = KeyConverter::fromArrayToRSACrypt($values);
if ($rsa->getPrivateKey() === false) {
throw new \InvalidArgumentException('The key is not a private key');
}
$rsa->setHash($this->getAlgorithm());
if ($this->getSignatureMethod() === \phpseclib\Crypt\RSA::SIGNATURE_PSS) {
$rsa->setMGFHash($this->getAlgorithm());
$rsa->setSaltLength(0);
}
$rsa->setSignatureMode($this->getSignatureMethod());
$result = $rsa->sign($input);
if ($result === false) {
throw new \RuntimeException('An error occurred during the creation of the signature');
}
return $result;
}
/**
* {@inheritdoc}
*/
public static function createFromX5C(array $x5c, array $additional_values = [])
{
$values = KeyConverter::loadFromX5C($x5c);
$values = array_merge($values, $additional_values);
return new JWK($values);
}
/**
* @param string $x5u
* @param bool $allow_unsecured_connection
*
* @return \Jose\Object\JWKSetInterface
*/
public static function createFromX5U($x5u, $allow_unsecured_connection = false)
{
$content = self::downloadContent($x5u, $allow_unsecured_connection);
$content = json_decode($content, true);
if (!is_array($content)) {
throw new \InvalidArgumentException('Invalid content.');
}
$jwkset = new JWKSet();
foreach ($content as $kid => $cert) {
$jwk = KeyConverter::loadKeyFromCertificate($cert);
if (empty($jwk)) {
throw new \InvalidArgumentException('Invalid content.');
}
if (is_string($kid)) {
$jwk['kid'] = $kid;
}
$jwkset->addKey(new JWK($jwk));
}
return $jwkset;
}