X-Git-Url: http://www.git.cypherpunks.ru/?p=govpn.git;a=blobdiff_plain;f=src%2Fcypherpunks.ru%2Fgovpn%2Fhandshake.go;h=054c73e32f3718c7293fb575d91e6ea175a1f09b;hp=a3ef2b5cf536397c176678d38c8fcd4fff70d1d8;hb=8deaf99f98548064f51a3fe5a163456257c089bb;hpb=0bf04621961589bc735dc8bd8a075d7db24c4178

diff --git a/src/cypherpunks.ru/govpn/handshake.go b/src/cypherpunks.ru/govpn/handshake.go
index a3ef2b5..054c73e 100644
--- a/src/cypherpunks.ru/govpn/handshake.go
+++ b/src/cypherpunks.ru/govpn/handshake.go
@@ -1,6 +1,6 @@
 /*
 GoVPN -- simple secure free software virtual private network daemon
-Copyright (C) 2014-2016 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2014-2017 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -141,13 +141,13 @@ func idTag(id *PeerId, timeSync int, data []byte) []byte {
 		panic(err)
 	}
 	mac.Write(enc)
-	mac.Sum(enc[:0])
-	return enc
+	sum := mac.Sum(nil)
+	return sum[len(sum)-8:]
 }
 
 // Start handshake's procedure from the client. It is the entry point
-// for starting the handshake procedure. // First handshake packet
-// will be sent immediately.
+// for starting the handshake procedure.
+// First handshake packet will be sent immediately.
 func HandshakeStart(addr string, conn io.Writer, conf *PeerConf) *Handshake {
 	state := NewHandshake(addr, conn, conf)
 	var dhPubRepr *[32]byte