Beispiel #1
0
        internal static BufLen Send(DHHandshakeContext context)
        {
            context.TimestampA = (uint)Math.Ceiling((DateTime.UtcNow - I2PDate.RefDate).TotalSeconds);

            var cleartext = new List <byte>();
            var ri        = RouterContext.Inst.MyRouterIdentity.ToByteArray();

            cleartext.AddRange(BufUtils.Flip16B((ushort)ri.Length));
            cleartext.AddRange(ri);

            cleartext.AddRange(BufUtils.Flip32B(context.TimestampA));
#if LOG_ALL_TRANSPORT
            DebugUtils.Log("SessionConfirmA send TimestampA: " + (I2PDate.RefDate.AddSeconds(context.TimestampA).ToString()));
            DebugUtils.Log("SessionConfirmA send TimestampB: " + (I2PDate.RefDate.AddSeconds(context.TimestampB).ToString()));
#endif

            var sign = I2PSignature.DoSign(RouterContext.Inst.PrivateSigningKey,
                                           context.X.Key,
                                           context.Y.Key,
                                           context.RemoteRI.IdentHash.Hash,
                                           BufUtils.Flip32BL(context.TimestampA),
                                           BufUtils.Flip32BL(context.TimestampB));

            var padsize = BufUtils.Get16BytePadding(sign.Length + cleartext.Count);
            cleartext.AddRange(BufUtils.Random(padsize));

            cleartext.AddRange(sign);

            var buf = new BufLen(cleartext.ToArray());
            context.Encryptor.ProcessBytes(buf);

            return(buf);
        }
Beispiel #2
0
        internal static BufLen Send(DHHandshakeContext context)
        {
            context.TimestampA = (uint)Math.Ceiling((DateTime.UtcNow - I2PDate.RefDate).TotalSeconds);

            var cleartext = new BufRefStream();
            var ri        = RouterContext.Inst.MyRouterIdentity.ToByteArray();

            cleartext.Write(BufUtils.Flip16B((ushort)ri.Length));
            cleartext.Write(ri);

            cleartext.Write(BufUtils.Flip32B(context.TimestampA));

            Logging.LogDebugData($"SessionConfirmA send TimestampA: {I2PDate.RefDate.AddSeconds( context.TimestampA )}");
            Logging.LogDebugData($"SessionConfirmA send TimestampB: {I2PDate.RefDate.AddSeconds( context.TimestampB )}");

            var sign = I2PSignature.DoSign(RouterContext.Inst.PrivateSigningKey,
                                           context.X.Key,
                                           context.Y.Key,
                                           context.RemoteRI.IdentHash.Hash,
                                           BufUtils.Flip32BL(context.TimestampA),
                                           BufUtils.Flip32BL(context.TimestampB));

            var padsize = BufUtils.Get16BytePadding((int)(sign.Length + cleartext.Length));

            cleartext.Write(BufUtils.RandomBytes(padsize));

            cleartext.Write(sign);

            var buf = new BufLen(cleartext.ToArray());

            context.Encryptor.ProcessBytes(buf);

            return(buf);
        }
Beispiel #3
0
        public void Write(BufRefStream dest)
        {
            var buf = new BufRefStream();

            foreach (var one in Mappings)
            {
                one.Key.Write(buf);
                buf.Write((byte)'=');
                one.Value.Write(buf);
                buf.Write((byte)';');
            }

            dest.Write(BufUtils.Flip16B((ushort)buf.Length));
            dest.Write(buf);
        }
 public override void Write(BufRefStream dest)
 {
     dest.Write(BufUtils.Flip16B(SessionId));
     Config.Write(dest);
 }