private async Task <byte[]> Decrypt(Guid vuid, byte[] cipher)
{
var dnsUrls = (await Repo.GetListOrks()).Select(url => new Uri(url)).First();
var dnsClient = new DnsClient(dnsUrls);
var(orkUrls, _) = await dnsClient.GetInfo(vuid);
if (!orkUrls.Any())
{
throw new Exception("Invalid ID or orks not configured");
}
var flow = new DCryptFlow(vuid, orkUrls);
return(await flow.Decrypt(Config.PrivateKey, cipher));
}