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));
#if LOG_ALL_TRANSPORT
Logging.LogTransport("SessionConfirmA send TimestampA: " + (I2PDate.RefDate.AddSeconds(context.TimestampA).ToString()));
Logging.LogTransport("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((int)(sign.Length + cleartext.Length));
cleartext.Write(BufUtils.Random(padsize));
cleartext.Write(sign);
var buf = new BufLen(cleartext.ToArray());
context.Encryptor.ProcessBytes(buf);
return(buf);
}
public I2PRouterInfo(
I2PRouterIdentity identity,
I2PDate publisheddate,
I2PRouterAddress[] adresses,
I2PMapping options,
I2PSigningPrivateKey privskey)
{
Identity = identity;
PublishedDate = publisheddate;
Adresses = adresses;
Options = options;
var dest = new BufRefStream();
Identity.Write(dest);
PublishedDate.Write(dest);
dest.Write((byte)Adresses.Length);
foreach (var addr in Adresses)
{
addr.Write(dest);
}
dest.Write(0); // Always zero
Options.Write(dest);
Data = new BufLen(dest.ToArray());
Signature = new I2PSignature(new BufRefLen(I2PSignature.DoSign(privskey, Data)), privskey.Certificate);
}
public byte[] ToByteArray()
{
var buf = new BufRefStream();
Write(buf);
return(buf.ToArray());
}
public void Write(BufRefStream dest)
{
var dest2 = new BufRefStream();
Destination.Write(dest2);
Map.Write(dest2);
Date.Write(dest2);
var dest2data = dest2.ToArray();
var sig = new I2PSignature(new BufRefLen(I2PSignature.DoSign(PrivateSigningKey, new BufLen(dest2data))), PrivateSigningKey.Certificate);
dest.Write(dest2data);
sig.Write(dest);
}
public Garlic(I2PDate expiration, IEnumerable <GarlicClove> cloves)
{
BufRefStream buf = new BufRefStream();
buf.Write((byte)cloves.Count());
foreach (var clove in cloves)
{
clove.Write(buf);
}
// Certificate
buf.Write(new byte[] { 0, 0, 0 });
buf.Write((BufRefLen)BufUtils.Flip32BL(BufUtils.RandomUint()));
expiration.Write(buf);
Data = new BufLen(buf.ToArray());
ParseData(new BufRefLen(Data));
}
public void Sign()
{
if (Mode != BuildMode.BatchList)
{
throw new InvalidOperationException("Cannot mix build modes");
}
var buf = new BufRefStream();
foreach (var data in Batch)
{
data.Write(buf);
}
SignedData = buf.ToArray();
Hash = DoSign(SignedData);
Mode = BuildMode.Signed;
}
public void Save(string filename)
{
var fullpath = GetFullPath(filename);
using (var fs = new FileStream(fullpath, FileMode.Create, FileAccess.Write))
{
var dest = new BufRefStream();
Certificate.Write(dest);
PrivateSigningKey.Write(dest);
PublicSigningKey.Write(dest);
PrivateKey.Write(dest);
PublicKey.Write(dest);
MyRouterIdentity.Write(dest);
Published.Write(dest);
IntroKey.WriteTo(dest);
var ar = dest.ToArray();
fs.Write(ar, 0, ar.Length);
}
}
