X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=src%2Fcypherpunks.ru%2Fgovpn%2Fidentity.go;h=81066bc715abbe961eb9225d60ee3dfd2b2b94b5;hb=bb60f10e8d825d49e635b840b5eb7512811256d9;hp=52d430d6c1807df2ca94025309e76cb46acb93d7;hpb=f1e762d1b56722e5ecaaa165e885231163dc6978;p=govpn.git

diff --git a/src/cypherpunks.ru/govpn/identity.go b/src/cypherpunks.ru/govpn/identity.go
index 52d430d..81066bc 100644
--- a/src/cypherpunks.ru/govpn/identity.go
+++ b/src/cypherpunks.ru/govpn/identity.go
@@ -141,15 +141,14 @@ func AddTimeSync(ts int, data []byte) {
 // as plaintext and last bytes as cyphertext.
 func (mc *MACCache) Find(data []byte) (*PeerID, error) {
 	const minimumSize = 8 * 2
-	lenData := len(data)
 	fields := logrus.Fields{
 		"func": logFuncPrefix + "MACCache.Find",
-		"data": lenData,
+		"data": len(data),
 		"size": mc.Length(),
 	}
 	logger.WithFields(fields).Debug("Starting")
-	if lenData < minimumSize {
-		return nil, errors.Errorf("MAC is too small %d, minimum %d", lenData, minimumSize)
+	if len(data) < minimumSize {
+		return nil, errors.Errorf("MAC is too small %d, minimum %d", len(data), minimumSize)
 	}
 	buf := make([]byte, 8)
 	sum := make([]byte, 32)
@@ -171,7 +170,7 @@ func (mc *MACCache) Find(data []byte) (*PeerID, error) {
 		mt.mac.Sum(sum[:0])
 		mt.l.Unlock()
 
-		if subtle.ConstantTimeCompare(sum[len(sum)-8:], data[lenData-8:]) == 1 {
+		if subtle.ConstantTimeCompare(sum[len(sum)-8:], data[len(data)-8:]) == 1 {
 			logger.WithFields(fields).WithFields(loopFields).Debug("Matching peer")
 			ppid := PeerID(pid)
 			return &ppid, nil