melkael

func hexToBinary(hexnum string) string {
	if hexnum == "0" {
		return "0000"
	} else if hexnum == "1" {
		return "0001"
	} else if hexnum == "2" {
		return "0010"
	} else if hexnum == "3" {
		return "0011"
	} else if hexnum == "4" {

melkael

func distanceBetweenChunks(keysize int, data string) float64 {
	// we are using hex string here as input : one ascii char is two hex digits long
	out := 0.0
	totalNumberOfChunks := 0.0
	for i := 0; i < len(data)/(5*keysize); i++ {
		offset := i * 4 * keysize
		firstChunk := data[offset : offset+keysize*2]
		secondChunk := data[offset+keysize*2 : offset+4*keysize]
		res := float64(hamming(firstChunk, secondChunk))
		res /= float64(keysize)

melkael

func ReadFile(filename string) []byte {
	file, err := os.Open(filename)
	if err != nil {
		log.Fatal(err)
	}
	scan := bufio.NewScanner(file)
	bytes := make([]byte, 0, 1024)

	for scan.Scan() {
		input := []byte(scan.Text())

melkael

func countDuplicates(elem [10][]byte) int {
	tmp := elem
	ret := 0
	for i := range tmp {
		for j := range elem {
			if i != j && reflect.DeepEqual(tmp[i], elem[j]) {
				ret++
			}
		}
	}