public string Encriptar(string textoQueEncriptaremos, HasAlgorimt hashAlgorithm, Keysize keySize)
{
try
{
// Valido los campos
if (((passBase != "") && ((saltValue != "") && ((passwordIterations > 0) && (initVector != "")))))
{
if (initVector.Length >= 16)
initVector = initVector.Substring(1, 16);
else
initVector = ((initVector + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
if (saltValue.Length >= 16)
saltValue = saltValue.Substring(1, 16);
else
saltValue = ((saltValue + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
byte[] plainTextBytes = Encoding.UTF8.GetBytes(textoQueEncriptaremos);
Rfc2898DeriveBytes password = new Rfc2898DeriveBytes(passBase, saltValueBytes, passwordIterations);
byte[] keyBytes = password.GetBytes(((int)keySize / 8));
RijndaelManaged symmetricKey = new RijndaelManaged();
symmetricKey.Mode = CipherMode.CBC;
ICryptoTransform encryptor = symmetricKey.CreateEncryptor(keyBytes, initVectorBytes);
MemoryStream memoryStream = new MemoryStream();
CryptoStream cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write);
cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
cryptoStream.FlushFinalBlock();
byte[] cipherTextBytes = memoryStream.ToArray();
memoryStream.Close();
//cryptoStream.Close();
string cipherText = Convert.ToBase64String(cipherTextBytes);
return cipherText;
}
else
{
return "";
}
}
catch
{
throw;
}
}
public string Encriptar(string textoQueEncriptaremos, HasAlgorimt hashAlgorithm, Keysize keySize)
{
try
{
// Valido los campos
if (((passBase != "") && ((saltValue != "") && ((passwordIterations > 0) && (initVector != "")))))
{
if (initVector.Length >= 16)
{
initVector = initVector.Substring(1, 16);
}
else
{
initVector = ((initVector + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
}
if (saltValue.Length >= 16)
{
saltValue = saltValue.Substring(1, 16);
}
else
{
saltValue = ((saltValue + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
}
byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
byte[] plainTextBytes = Encoding.UTF8.GetBytes(textoQueEncriptaremos);
Rfc2898DeriveBytes password = new Rfc2898DeriveBytes(passBase, saltValueBytes, passwordIterations);
byte[] keyBytes = password.GetBytes(((int)keySize / 8));
RijndaelManaged symmetricKey = new RijndaelManaged();
symmetricKey.Mode = CipherMode.CBC;
ICryptoTransform encryptor = symmetricKey.CreateEncryptor(keyBytes, initVectorBytes);
MemoryStream memoryStream = new MemoryStream();
CryptoStream cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write);
cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
cryptoStream.FlushFinalBlock();
byte[] cipherTextBytes = memoryStream.ToArray();
memoryStream.Close();
//cryptoStream.Close();
string cipherText = Convert.ToBase64String(cipherTextBytes);
return(cipherText);
}
else
{
return("");
}
}
catch
{
throw;
}
}
public string Desencriptar(string textoEncriptado, HasAlgorimt hashAlgorithm, Keysize keySize)
{
this.InicioClaves("8CMW38!N37", "GRUP0@PL1R3D!N3T81@W38700LS", "B1@W38GRUP0@PL1R3D!N3T81@W38700LS!N3T", 5);
try
{
if (((passBase != "") &&
((saltValue != "") &&
((passwordIterations > 0) &&
(initVector != "")))))
{
if (initVector.Length >= 16)
{
initVector = initVector.Substring(1, 16);
}
else
{
initVector = ((initVector + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
}
if (saltValue.Length >= 16)
{
saltValue = saltValue.Substring(1, 16);
}
else
{
saltValue = ((saltValue + new string(' ', 16))).Substring(1, 16).Replace(" ", "%");
}
byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
byte[] plainTextBytes = Convert.FromBase64String(textoEncriptado);
Rfc2898DeriveBytes password = new Rfc2898DeriveBytes(passBase, saltValueBytes, passwordIterations);
byte[] keyBytes = password.GetBytes(((int)keySize / 8));
RijndaelManaged symmetricKey = new RijndaelManaged();
symmetricKey.Mode = CipherMode.CBC;
ICryptoTransform decryptor = symmetricKey.CreateDecryptor(keyBytes, initVectorBytes);
MemoryStream MemoryStream = new MemoryStream();
CryptoStream CryptoStream = new CryptoStream(MemoryStream, decryptor, CryptoStreamMode.Write);
CryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
CryptoStream.FlushFinalBlock();
byte[] cipherTextBytes = MemoryStream.ToArray();
MemoryStream.Close();
string plainText = Encoding.UTF8.GetString(cipherTextBytes);
return(plainText);
}
else
{
return("");
}
}
catch
{
throw;
}
}
