public void TestHashUtilsByteArrayConcat()
{
byte[] a1 = new byte[] { 0x10, 0x20, 0x30, 0x40 };
byte[] a2 = new byte[] { 0x50, 0x60 };
byte[] expected = new byte[] { 0x10, 0x20, 0x30, 0x40, 0x50, 0x60 };
byte[] combined = HashUtils.ConcatByteArrays(a1, a2);
// This makes a deep equal of the length then all of the
// individual values:
Assert.That(combined, Is.EqualTo(expected));
}
public SecureSession CreateSession(IPAddress clientIp)
{
var sess = new SecureSession(clientIp);
// At some point Sessions was a List
//Sessions.Add(sess);
// We could, in theory, have a collision of sessions.
// I'm going to take that risk.
// We need to hash(hashed_sequence + session_id)
// Both of these are byte arrays, so we need to build a bigger byte array.
// Then clear that byte array once we no longer need it.
byte[] hashedId = HashUtils.HashBytes(HashUtils.ConcatByteArrays(_sequence, sess.SessionId));
Sessions.TryAdd(HashUtils.ByteArrayToHexString(hashedId), sess);
HashUtils.ClearByteArray(hashedId);
return(sess);
}
private byte[] generateSessionKey(SecureSession session)
{
return(HashUtils.ConcatByteArrays(_sequence, session.SessionId));
}
