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() {
inputfile := "resources/6.txt"
// Read input file
input, err := ioutil.ReadFile(inputfile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
input = conversion.Base64BytesToBytes(input)
samples := 15
ka, err := analysis.BestKeysize(input, samples)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
key := make([]byte, ka.Keysize)
blocks := conversion.TransposeBlocks(input, ka.Keysize)
for i := 0; i < ka.Keysize; i++ {
decrypt, _ := xor.BestByteDecryption(blocks[i])
key[i] = decrypt.Key[0]
}
if result, err := xor.Apply(input, key); err != nil {
fmt.Println(err)
} else {
fmt.Println("Key:", string(key))
fmt.Println("Output:", string(result))
}
}
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))
}
}