/**
* Initialize from the parts of a compact serialization.
*
* @param array $parts
* @throws \UnexpectedValueException
* @return self
*/
public static function fromParts(array $parts)
{
if (count($parts) != 3) {
throw new \UnexpectedValueException("Invalid JWS compact serialization.");
}
$header = Header::fromJSON(Base64::urlDecode($parts[0]));
$b64 = $header->hasB64Payload() ? $header->B64Payload()->value() : true;
$payload = $b64 ? Base64::urlDecode($parts[1]) : $parts[1];
$signature_input = $parts[0] . "." . $parts[1];
$signature = Base64::urlDecode($parts[2]);
return new self($header, $payload, $signature_input, $signature);
}
/**
* Get the parameter value as a decoded string.
*
* @return string
*/
public function string()
{
return Base64::urlDecode($this->value());
}
/**
* Get JWT header.
*
* @return JOSE
*/
public function header()
{
$header = Header::fromJSON(Base64::urlDecode($this->_parts[0]));
return new JOSE($header);
}
/**
* Initialize from parts of compact serialization.
*
* @param array $parts
* @throws \UnexpectedValueException
* @return self
*/
public static function fromParts(array $parts)
{
if (count($parts) != 5) {
throw new \UnexpectedValueException("Invalid JWE compact serialization.");
}
$header = Header::fromJSON(Base64::urlDecode($parts[0]));
$encrypted_key = Base64::urlDecode($parts[1]);
$iv = Base64::urlDecode($parts[2]);
$ciphertext = Base64::urlDecode($parts[3]);
$auth_tag = Base64::urlDecode($parts[4]);
return new self($header, $encrypted_key, $iv, $ciphertext, $auth_tag);
}
/**
* Get coordinate in octet string representation.
*
* @return string
*/
public function coordinateOctets()
{
return Base64::urlDecode($this->_value);
}
/**
* Get the symmetric key.
*
* @return string
*/
public function key()
{
return Base64::urlDecode($this->keyValueParameter()->value());
}
/**
* Get value as a number.
*
* @return BigInt
*/
public function number()
{
return BigInt::fromBase256(Base64::urlDecode($this->value()));
}