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udp: clean up connection ID generation

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This commit is contained in:
Leo Balduf 2017-09-29 00:50:50 +02:00
parent 89bc479a3b
commit 6dfdb7e192
1 changed files with 1 additions and 1 deletions
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2
frontend/udp/connection_id.go
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@ -25,7 +25,7 @@ const ttl = 2 * time.Minute
// forgery probability of approximately 1 in 4 billion. // forgery probability of approximately 1 in 4 billion.
func NewConnectionID(ip net.IP, now time.Time, key string) []byte { func NewConnectionID(ip net.IP, now time.Time, key string) []byte {
buf := make([]byte, 8) buf := make([]byte, 8)
binary.BigEndian.PutUint32(buf, uint32(now.UTC().Unix())) binary.BigEndian.PutUint32(buf, uint32(now.Unix()))
mac := hmac.New(sha256.New, []byte(key)) mac := hmac.New(sha256.New, []byte(key))
mac.Write(buf[:4]) mac.Write(buf[:4])