public static AnswerResponse criarAnswerJSON(int casas, string token, string cifrado, string decifrado, string resumoCriptografado)
        {
            var answerResponse = new AnswerResponse
            {
                NumeroCasas         = casas,
                Token               = token,
                Cifrado             = cifrado,
                Decifrado           = decifrado,
                ResumoCriptografado = resumoCriptografado
            };

            return(answerResponse);
        }
        static async Task Main(string[] args)
        {
            try
            {
                //url para envio GET
                var url = "https://api.codenation.dev/v1/challenge/dev-ps/generate-data?token=" + _TOKEN;

                var response = await client.GetAsync(url);

                // obter resposta da api
                var responseJson = await response.Content.ReadAsStringAsync();

                // converte JSON response para Object
                AnswerResponse answer = JsonConvert.DeserializeObject <AnswerResponse>(responseJson);

                //string mensagemDecifrada = decifrarFrase("gwc kiv vmdmz cvlmzmabquibm bpm abcxqlqbg wn bpm omvmzit xcjtqk. akwbb iliua", 8);
                string mensagemDecifrada = decifrarFrase(answer.Cifrado, answer.NumeroCasas);

                //gerar SH1
                UTF8Encoding enc    = new UTF8Encoding();
                byte[]       buffer = enc.GetBytes(mensagemDecifrada);
                SHA1CryptoServiceProvider cryptoTransformSHA1 = new SHA1CryptoServiceProvider();

                string resumoSH1 = BitConverter.ToString(cryptoTransformSHA1.ComputeHash(buffer)).Replace("-", "").ToLower();

                //criar json
                var answerJSON = criarAnswerJSON(answer.NumeroCasas, answer.Token, answer.Cifrado, mensagemDecifrada, resumoSH1);

                var objJSON = JsonConvert.SerializeObject(answerJSON, Formatting.Indented);

                if (File.Exists("answer.json"))
                {
                    File.Delete("answer.json");
                }

                File.WriteAllText("answer.json", objJSON);

                //enviar answer.json
                enviaArquivoAsync(_TOKEN, "answer.json").Wait();
            }
            catch (Exception e)
            {
                Console.WriteLine("Erro ao consumir API! Tente novamente. \n\n" + e);
            }
        }