Function maskBytesByByte

mask_test.go:14–20

(key [4]byte, pos int, b []byte)

)

func maskBytesByByte(key [4]byte, pos int, b []byte) int {
	for i := range b {
		b[i] ^= key[pos&3]
		pos++
	}
	return pos & 3
}

func notzero(b []byte) int {
	for i := range b {