func newNonces(key *[32]byte, i uint64) chan *[NonceSize]byte {
macKey := make([]byte, 32)
salsa20.XORKeyStream(macKey, make([]byte, 32), make([]byte, 8), key)
func newNonces(key *[32]byte, i uint64) chan *[NonceSize]byte {
macKey := make([]byte, 32)
salsa20.XORKeyStream(macKey, make([]byte, 32), make([]byte, 8), key)