public string Decrypt(ref string passPhrase, string pHexStream)
{
try
{
var objSym = new Symmetric(Symmetric.Provider.Rijndael, true);
var encryptedData = new Data();
encryptedData.Hex = pHexStream;
Data decryptedData = default(Data);
decryptedData = objSym.Decrypt(encryptedData, new Data(passPhrase));
return decryptedData.Text;
}
catch
{
return null;
}
}
private string Encrypt(ref string passPhrase, string textToEncrypt)
{
if (passPhrase.Length > 16)
{
passPhrase = passPhrase.Substring(0, 16);
}
if (textToEncrypt.Trim().Length == 0)
{
//'the Text to encrypt not set!!!
return string.Empty;
}
var skey = new Data(passPhrase);
var sym = new Symmetric(Symmetric.Provider.Rijndael, true);
Data encryptedData = sym.Encrypt(new Data(textToEncrypt), skey);
return encryptedData.ToHex();
}