public static string Encrypt(this string clearText, ITraceLogger TL)
{
try
{
byte[] clearBytes = Encoding.UTF8.GetBytes(clearText);
byte[] entropyBytes = Encoding.UTF8.GetBytes(GenerateEntropy());
byte[] encryptedBytes = ProtectedData.Protect(clearBytes, entropyBytes, dataProtectionScope);
string encryptedText = Convert.ToBase64String(encryptedBytes);
TL.LogMessage("Encrypt", encryptedText, false);
return(encryptedText);
}
catch (Exception ex)
{
TL.LogMessageCrLf("Encrypt", ex.ToString());
return("Unable to encrypt this value");
}
}
public static string Unencrypt(this string encryptedText, ITraceLogger TL)
{
try
{
if (encryptedText == null)
{
return(""); // Deal with initial case where text has not yet been encrypted
}
byte[] encryptedBytes = Convert.FromBase64String(encryptedText);
byte[] entropyBytes = Encoding.UTF8.GetBytes(GenerateEntropy());
byte[] clearBytes = ProtectedData.Unprotect(encryptedBytes, entropyBytes, dataProtectionScope);
string clearText = Encoding.UTF8.GetString(clearBytes);
TL.LogMessage("Unencrypt", encryptedText, false);
return(clearText);
}
catch (Exception ex)
{
TL.LogMessageCrLf("Unencrypt", ex.ToString());
return("Unable to decrypt this value");
}
}