func Create(customSettings settings.Settings, data *DataToBeTokenized) (string, error) { err := customSettings.Check() if err != nil { return "", err } aesCipherBlock, _ := aes.NewCipher([]byte(customSettings.CipherKey)) aesEncrypter := cipher.NewCFBEncrypter(aesCipherBlock, []byte("abcdefghabcdefgh")) serializedData := serialize(data) encryptedData := make([]byte, len(serializedData.Bytes())) aesEncrypter.XORKeyStream(encryptedData, serializedData.Bytes()) return base64.StdEncoding.EncodeToString(encryptedData), nil }