davejansen/lidgren-network-gen3
1
0
Fork 0
mirror of https://github.com/lidgren/lidgren-network-gen3.git synced 2026-05-16 15:16:33 +09:00
Code Issues Releases Activity

SendToAll added to NetServer

Browse Source
This commit is contained in:
lidgren
2011-02-12 14:08:31 +00:00
parent 94b8e699b8
commit 0238b5c5e7
3 changed files with 80 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
Lidgren.Network/NetSRP.cs
View File

@@ -43,11 +43,21 @@ namespace Lidgren.Network
}
/// <summary>
/// Get random bits
/// Create 16 bytes of random salt
/// </summary>
public static byte[] CreateRandomKey(int bits)
public static byte[] CreateRandomSalt()
{
byte[] retval = new byte[bits / 8];
byte[] retval = new byte[16];
NetRandom.Instance.NextBytes(retval);
return retval;
}
/// <summary>
/// Create 32 bytes of random ephemeral value
/// </summary>
public static byte[] CreateRandomEphemeral()
{
byte[] retval = new byte[32];
NetRandom.Instance.NextBytes(retval);
return retval;
}

33
Lidgren.Network/NetServer.cs
View File

@@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
namespace Lidgren.Network
{
@@ -13,6 +14,38 @@ namespace Lidgren.Network
config.AcceptIncomingConnections = true;
}
/// <summary>
/// Send a message to all connections
/// </summary>
/// <param name="msg">The message to send</param>
/// <param name="method">How to deliver the message</param>
public void SendToAll(NetOutgoingMessage msg, NetDeliveryMethod method)
{
SendMessage(msg, this.Connections, method, 0);
}
/// <summary>
/// Send a message to all connections except one
/// </summary>
/// <param name="msg">The message to send</param>
/// <param name="method">How to deliver the message</param>
public void SendToAll(NetOutgoingMessage msg, NetConnection except, NetDeliveryMethod method)
{
var all = this.Connections;
if (all.Count <= 0)
return;
List<NetConnection> recipients = new List<NetConnection>(all.Count - 1);
foreach (var conn in all)
if (conn != except)
recipients.Add(conn);
if (recipients.Count > 0)
SendMessage(msg, recipients, method, 0);
}
/// <summary>
/// Returns a string that represents this object
/// </summary>

65
UnitTests/EncryptionTests.cs
View File

@@ -56,39 +56,42 @@ namespace UnitTests
if (im.ReadString() != "kokos")
throw new NetException("fail");
byte[] salt = NetSRP.CreateRandomKey(16);
byte[] x = NetSRP.ComputePrivateKey("user", "password", salt);
byte[] v = NetSRP.ComputeServerVerifier(x);
//Console.WriteLine("v = " + NetUtility.ToHexString(v));
byte[] a = NetSRP.CreateRandomKey(32); // NetUtility.ToByteArray("393ed364924a71ba7258633cc4854d655ca4ec4e8ba833eceaad2511e80db2b5");
byte[] A = NetSRP.ComputeClientEphemeral(a);
//Console.WriteLine("A = " + NetUtility.ToHexString(A));
byte[] b = NetSRP.CreateRandomKey(32); // NetUtility.ToByteArray("cc4d87a90db91067d52e2778b802ca6f7d362490c4be294b21b4a57c71cf55a9");
byte[] B = NetSRP.ComputeServerEphemeral(b, v);
//Console.WriteLine("B = " + NetUtility.ToHexString(B));
byte[] u = NetSRP.ComputeU(A, B);
//Console.WriteLine("u = " + NetUtility.ToHexString(u));
byte[] Ss = NetSRP.ComputeServerSessionValue(A, v, u, b);
//Console.WriteLine("Ss = " + NetUtility.ToHexString(Ss));
byte[] Sc = NetSRP.ComputeClientSessionValue(B, x, u, a);
//Console.WriteLine("Sc = " + NetUtility.ToHexString(Sc));
if (Ss.Length != Sc.Length)
throw new NetException("SRP non matching lengths!");
for (int j = 0; j < Ss.Length; j++)
for (int i = 0; i < 100; i++)
{
if (Ss[j] != Sc[j])
throw new NetException("SRP non matching session values!");
}
byte[] salt = NetSRP.CreateRandomSalt();
byte[] x = NetSRP.ComputePrivateKey("user", "password", salt);
var test = NetSRP.CreateEncryption(Ss);
byte[] v = NetSRP.ComputeServerVerifier(x);
//Console.WriteLine("v = " + NetUtility.ToHexString(v));
byte[] a = NetSRP.CreateRandomEphemeral(); // NetUtility.ToByteArray("393ed364924a71ba7258633cc4854d655ca4ec4e8ba833eceaad2511e80db2b5");
byte[] A = NetSRP.ComputeClientEphemeral(a);
//Console.WriteLine("A = " + NetUtility.ToHexString(A));
byte[] b = NetSRP.CreateRandomEphemeral(); // NetUtility.ToByteArray("cc4d87a90db91067d52e2778b802ca6f7d362490c4be294b21b4a57c71cf55a9");
byte[] B = NetSRP.ComputeServerEphemeral(b, v);
//Console.WriteLine("B = " + NetUtility.ToHexString(B));
byte[] u = NetSRP.ComputeU(A, B);
//Console.WriteLine("u = " + NetUtility.ToHexString(u));
byte[] Ss = NetSRP.ComputeServerSessionValue(A, v, u, b);
//Console.WriteLine("Ss = " + NetUtility.ToHexString(Ss));
byte[] Sc = NetSRP.ComputeClientSessionValue(B, x, u, a);
//Console.WriteLine("Sc = " + NetUtility.ToHexString(Sc));
if (Ss.Length != Sc.Length)
throw new NetException("SRP non matching lengths!");
for (int j = 0; j < Ss.Length; j++)
{
if (Ss[j] != Sc[j])
throw new NetException("SRP non matching session values!");
}
var test = NetSRP.CreateEncryption(Ss);
}
Console.WriteLine("Message encryption OK");
}