func main() {
inputfile := "resources/4.txt"
// Open input file
file, err := os.Open(inputfile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer file.Close()
// Loop over file lines
var best *xor.Decryption
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line, _ := conversion.HexToBytes(scanner.Text())
decryption, _ := xor.BestByteDecryption(line)
if best == nil || decryption.Score < best.Score {
best = decryption
}
}
fmt.Println("Line:", conversion.BytesToHex(best.Input))
fmt.Println("Key:", string(best.Key))
fmt.Println("Output:", string(best.Output))
}
func main() {
inputa := "1c0111001f010100061a024b53535009181c"
inputb := "686974207468652062756c6c277320657965"
if a, err := conversion.HexToBytes(inputa); err != nil {
fmt.Println(err)
} else if b, err := conversion.HexToBytes(inputb); err != nil {
fmt.Println(err)
} else if result, err := xor.ApplyFixed(a, b); err != nil {
fmt.Println(err)
} else {
fmt.Println("Input 1:", inputa)
fmt.Println("Input 2:", inputb)
fmt.Println("Output:", conversion.BytesToHex(result))
}
}
func main() {
inputfile := "resources/8.txt"
// Open input file
file, err := os.Open(inputfile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
l, _ := conversion.HexToBytes(line)
m := 0
for x := 0; x < len(l); x += 16 {
matches := 0
for i := 0; i < len(l); i += 16 {
if bytes.Equal(l[x:x+16], l[i:i+16]) {
matches++
}
}
if matches > 1 {
m++
}
}
if m > 0 {
fmt.Println("Detected", m, "repetitions:", line)
}
}
}
func main() {
input := "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736"
if a, err := conversion.HexToBytes(input); err != nil {
fmt.Println(err)
} else if result, err := xor.BestByteDecryption(a); err != nil {
fmt.Println(err)
} else {
fmt.Println("Input:", input)
fmt.Println("Key:", result.Key)
fmt.Println("Output:", string(result.Output))
}
}