public static string Encrypt(string toEncrypt, SecurityInfo sInfo, bool useHashing)
{
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
byte[] toEncryptArray = Encoding.UTF8.GetBytes(toEncrypt);
if (useHashing)
{
tdes.Key = new MD5CryptoServiceProvider().ComputeHash(sInfo.Key);
}
tdes.Mode = CipherMode.ECB;
tdes.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = tdes.CreateEncryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
tdes.Clear();
return Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
public static string Decrypt(string cipherString, SecurityInfo sInfo, bool useHashing)
{
string result;
if (sInfo.Key == null || string.Concat(sInfo.Key).Length < 1)
{
result = cipherString;
}
else
{
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
byte[] toEncryptArray = Convert.FromBase64String(cipherString);
if (useHashing)
{
tdes.Key = new MD5CryptoServiceProvider().ComputeHash(sInfo.Key);
}
tdes.Mode = CipherMode.ECB;
tdes.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = tdes.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
tdes.Clear();
result = Encoding.UTF8.GetString(resultArray);
}
return result;
}