public void EasyDecodeTest()
{
var buffer = new byte[100];
var span = buffer.AsSpan();
var list = new List <KeyShare>();
list.Add(new KeyShare()
{
Group = NamedGroup.ffdhe2048,
KeyExchange = (ServerConnectionId.Generate().ConnectionIdBytes)
});
list.Add(new KeyShare()
{
Group = NamedGroup.secp521r1,
KeyExchange = (ServerConnectionId.Generate().ConnectionIdBytes)
});
foreach (var actual in list)
{
var afterWrite = span.Write(actual);
var afterRead = ((ReadOnlySpan <byte>)span).Read(out KeyShare result);
Assert.AreEqual(actual, result);
Assert.IsTrue(afterWrite.SequenceEqual(afterRead));
}
{
List <KeyShare> result = new List <KeyShare>();
var afterWrite = span.Write(list);
var afterRead = ((ReadOnlySpan <byte>)span).Read(result);
Assert.IsTrue(list.SequenceEqual(result));
Assert.IsTrue(afterWrite.SequenceEqual(afterRead));
Assert.AreEqual(2 + 2 * list.Count + 2 * list.Count + list.Sum(k => k.KeyExchange.Length), buffer.Length - afterWrite.Length);
}
}
private MessageSets(int setNum)
{
var index = JsonConvert.DeserializeObject <Index>(File.ReadAllText(ConstructFileName(setNum, "index.json")));
ClientId = new ClientConnectionId(index.ClientId.ToByteArrayFromHex());
ServerId = new ServerConnectionId(index.ServerId.ToByteArrayFromHex());
var clientIp = index.ClientIp.ToByteArrayFromHex();
using (var rdr = new Reader(ConstructFileName(setNum, "wireshark.pcapng")))
{
int i = 1;
foreach (var packet in rdr.AllBlocks.Select(x => x as EnhancedPacketBlock).Where(x => x != null))
{
var data = packet.Data.AsSpan()
.ReadBytes(14, out _)
.ReadByte(out var ipHeader)
.ReadBytes((ipHeader & 0xf) * 4 - 9, out _)
.ReadBytes(4, out var source)
.ReadBytes(4, out _)
.ReadBytes(8, out _);
files[i] = new DataFile()
{
Sequence = i++,
Data = data.ToArray(),
Source = source.SequenceEqual(clientIp) ? DataFileSources.Client : DataFileSources.Server,
};
}
}
if (index.Secrets != null)
{
LoadSecrets(index.Secrets);
}
}
