func main() {
inputfile := "resources/7.txt"
// Read input file
input, err := ioutil.ReadFile(inputfile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
key := []byte("YELLOW SUBMARINE")
// Decode base64
input = conversion.Base64BytesToBytes(input)
// Decrypt ECB
e, err := blocks.NewAES(key)
if err != nil {
fmt.Println(err)
} else {
plaintext, err := e.DecryptECB(input)
if err != nil {
fmt.Println(err)
} else {
fmt.Println(string(plaintext))
}
}
}
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))
}
}