public byte[] EncryptAES(ParametroEntreda Entrada)
{
if (Entrada.plainText == null || Entrada.plainText.Length <= 0)
throw new ArgumentNullException("plainText");
if (Entrada.Key == null || Entrada.Key.Length <= 0)
throw new ArgumentNullException("Key");
if (Entrada.IV == null || Entrada.IV.Length <= 0)
throw new ArgumentNullException("Key");
byte[] encrypted;
using (AesManaged aesAlg = new AesManaged())
{
aesAlg.Key = Entrada.Key;
aesAlg.IV = Entrada.IV;
ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(Entrada.plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
return encrypted;
}
public HttpResponseMessage Get(string Entrada)
{
try
{
#region Get Keys and Vectors in Firebase
FireBaseEntrada EntradaFireBaseChaveAES = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "AES/KEY" };
FireBaseRetorno RetornoFireBaseChaveAES = new FireBaseRetorno();
RetornoFireBaseChaveAES = FireBase.GetFireBaseData(EntradaFireBaseChaveAES);
string chaveAes = RetornoFireBaseChaveAES.Body.Replace("\"", "");
FireBaseEntrada EntradaFireBaseVetorAES = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "AES/VECTOR" };
FireBaseRetorno RetornoFireBaseVetorAES = new FireBaseRetorno();
RetornoFireBaseVetorAES = FireBase.GetFireBaseData(EntradaFireBaseVetorAES);
string vetorAes = RetornoFireBaseVetorAES.Body.Replace("\"", "");
FireBaseEntrada EntradaFireBaseChaveDES = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "DES/KEY" };
FireBaseRetorno RetornoFireBaseChaveDES = new FireBaseRetorno();
RetornoFireBaseChaveDES = FireBase.GetFireBaseData(EntradaFireBaseChaveDES);
string chaveDES = RetornoFireBaseChaveDES.Body.Replace("\"", "");
FireBaseEntrada EntradaFireBaseVetorDES = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "DES/VECTOR" };
FireBaseRetorno RetornoFireBaseVetorDES = new FireBaseRetorno();
RetornoFireBaseVetorDES = FireBase.GetFireBaseData(EntradaFireBaseVetorDES);
string vetorDES = RetornoFireBaseVetorDES.Body.Replace("\"", "");
FireBaseEntrada EntradaFireBaseChaveRijndael = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "RIJNDAEL/KEY" };
FireBaseRetorno RetornoFireBaseChaveRijndael = new FireBaseRetorno();
RetornoFireBaseChaveRijndael = FireBase.GetFireBaseData(EntradaFireBaseChaveRijndael);
string chaveRijndael = RetornoFireBaseChaveRijndael.Body.Replace("\"", "");
FireBaseEntrada EntradaFireBaseVetorRijndael = new FireBaseEntrada { AuthSecret = "iY8kzmEr6cvEhTo6fdYbKDsdVAD4xJZR46NdGsGf", BasePath = "https://cryptography.firebaseio.com/", item = "RIJNDAEL/VECTOR" };
FireBaseRetorno RetornoFireBaseVetorRijndael = new FireBaseRetorno();
RetornoFireBaseVetorRijndael = FireBase.GetFireBaseData(EntradaFireBaseVetorRijndael);
string vetorRijndael = RetornoFireBaseVetorRijndael.Body.Replace("\"", "");
#endregion
#region Cryptography Level 1
ParametroEntreda ParmatroParametroAES = new ParametroEntreda { plainText = Entrada, Key = Convert.FromBase64String(chaveAes), IV = Convert.FromBase64String(vetorAes), OrigemChamadaToken = HttpContext.Current.Request.Url.AbsoluteUri };
DAO.AES cryptAES = new DAO.AES();
string encryptedAES = Convert.ToBase64String(cryptAES.EncryptAES(ParmatroParametroAES));
#endregion
#region Cryptography Level 2
ParametroEntreda ParmatroParametroDES = new ParametroEntreda { plainText = encryptedAES, Key = Convert.FromBase64String(chaveDES), IV = Convert.FromBase64String(vetorDES), OrigemChamadaToken = HttpContext.Current.Request.Url.AbsoluteUri };
DAO.DES cryptDES = new DAO.DES();
string encryptedDES = Convert.ToBase64String(cryptDES.EncryptDES(ParmatroParametroDES));
#endregion
#region Cryptography Level 3
ParametroEntreda ParmatroParametroRijndael = new ParametroEntreda { plainText = encryptedDES, Key = Convert.FromBase64String(chaveRijndael), IV = Convert.FromBase64String(vetorRijndael), OrigemChamadaToken = HttpContext.Current.Request.Url.AbsoluteUri };
DAO.Rijndael cryptRijndael = new DAO.Rijndael();
string encryptedRijndael = Convert.ToBase64String(cryptRijndael.EncryptRijndael(ParmatroParametroRijndael));
#endregion
ParametroRetorno Retorno = new ParametroRetorno { CodigoRetorno = HttpStatusCode.OK.ToString(), Mensagem = "Criptografia gerada com sucesso", Retorno = encryptedRijndael.Replace("/", "InfoTech2u") };
return Request.CreateResponse(HttpStatusCode.OK, Retorno); ;
}
catch (KeyNotFoundException)
{
string mensagem = string.Format("Não foi possível criptografar a entrada: ", Entrada);
HttpError error = new HttpError(mensagem);
return Request.CreateResponse(HttpStatusCode.NotFound, error);
}
}