public string CreateSignedPacket(string uri, bool shuttingDown)
{
if (!IsServerInfo)
{
throw new InvalidOperationException("Cannot generate packets from non-server instances");
}
string jsonPart = GetAnnounceJson(uri, shuttingDown);
var rsa = (RSACryptoServiceProvider)Certificate.PrivateKey;
return(
jsonPart + "\n\n" +
CryptoUtils.CertificateToPEM(Certificate) + "\n" +
CryptoUtils.Base64Folded(null, rsa.SignData(Encoding.UTF8.GetBytes(jsonPart), "SHA256"), 76) + "\n");
}