wireguard-go/tai64.go

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package main
import (
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"bytes"
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"encoding/binary"
"time"
)
const (
TAI64NBase = uint64(4611686018427387914)
TAI64NSize = 12
)
type TAI64N [TAI64NSize]byte
func Timestamp() TAI64N {
var tai64n TAI64N
now := time.Now()
secs := TAI64NBase + uint64(now.Unix())
nano := uint32(now.UnixNano())
binary.BigEndian.PutUint64(tai64n[:], secs)
binary.BigEndian.PutUint32(tai64n[8:], nano)
return tai64n
}
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func (t1 *TAI64N) After(t2 TAI64N) bool {
return bytes.Compare(t1[:], t2[:]) > 0
}