X-Git-Url: http://www.git.cypherpunks.ru/?p=govpn.git;a=blobdiff_plain;f=src%2Fcypherpunks.ru%2Fgovpn%2Fhandshake.go;h=054c73e32f3718c7293fb575d91e6ea175a1f09b;hp=c71ed3ba9c40d5ef4a9e189a1d324c7a1ebff1c9;hb=8deaf99f98548064f51a3fe5a163456257c089bb;hpb=572cac17bde738055312f7a468a0bde0e760a262

diff --git a/src/cypherpunks.ru/govpn/handshake.go b/src/cypherpunks.ru/govpn/handshake.go
index c71ed3b..054c73e 100644
--- a/src/cypherpunks.ru/govpn/handshake.go
+++ b/src/cypherpunks.ru/govpn/handshake.go
@@ -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