public string decrypt(string code)
{
try
{
var sym = new Symmetric(_p);
sym.Key.Text = _k;
var d = new Encryption.Data();
d.Hex = code;
return sym.Decrypt(d).Text;
}
catch (Exception)
{
return string.Empty;
}
}
public string DecryptData(string encryptedString, EncryptType encryptType)
{
string data = "";
if (encryptedString != null && encryptedString != string.Empty && data.ToLower() != "null")
{
switch (encryptType)
{
case EncryptType.Symmetric:
Symmetric.Provider p = Symmetric.Provider.TripleDES;
Data symdecryptedData = null;
p = Symmetric.Provider.TripleDES;
Symmetric sym2 = new Symmetric(p);
//sym2.Key.Text = symmetricKey;
System.Text.ASCIIEncoding symEncoding = new System.Text.ASCIIEncoding();
Byte[] symBytes = symEncoding.GetBytes(encryptedString);
Data symencryptedData = null;
symencryptedData = new Data();
symencryptedData.Base64 = encryptedString;
symdecryptedData = sym2.Decrypt(symencryptedData);
data = symdecryptedData.Text;
break;
case EncryptType.Asymmetric:
System.Text.ASCIIEncoding asymEncoding = new System.Text.ASCIIEncoding();
Data asymdecryptedData = null;
Asymmetric asym2 = new Asymmetric();
Byte[] asymBytes = asymEncoding.GetBytes(encryptedString);
Data asymencryptedData = null;
asymencryptedData = new Data();
asymencryptedData.Base64 = encryptedString;
asymdecryptedData = asym2.Decrypt(asymencryptedData);
data = asymdecryptedData.Text;
break;
case EncryptType.Hash:
//hashing is one way
break;
}
}
return data;
}
