secret_connection.go
func incrNonce(nonce *[24]byte) {
	for i := 23; 0 <= i; i-- {
		nonce[i] += 1
		if nonce[i] != 0 {
			return
		}
	}
}
func incrNonce(nonce *[24]byte) {
	for i := 23; 0 <= i; i-- {
		nonce[i] += 1
		if nonce[i] != 0 {
			return
		}
	}
}
func incrNonce ( nonce * [ 24 ] byte ) { for i := 23 ; 0 <= i ; i -- { nonce [ i ] += 1 if nonce [ i ] != 0 { return } } }
// increment nonce big-endian by 1 with wraparound.
increment nonce big - endian by 1 with wraparound .