/**
* Sign a message with our private key
*
* @param string $message Message to sign
* @param SignatureSecretKey $privateKey
* @param mixed $encoding Which encoding scheme to use?
* @return string Signature (detached)
*/
public static function sign(string $message, SignatureSecretKey $privateKey, $encoding = Halite::ENCODE_BASE64URLSAFE) : string
{
$signed = \Sodium\crypto_sign_detached($message, $privateKey->getRawKeyMaterial());
$encoder = Halite::chooseEncoder($encoding);
if ($encoder) {
return $encoder($signed);
}
return $signed;
}
