/// <summary>
/// Encrypts a string and returns it as a binary BinHex or Base64 string
/// </summary>
/// <param name="dataToProtect"></param>
/// <param name="stringEncodingMode"></param>
/// <returns></returns>
public static string Protect(string dataToProtect,
DataProtectionStringEncodingModes stringEncodingMode = DataProtectionStringEncodingModes.Base64)
{
var dataProtector = GetDataProtector();
byte[] protectedBytes = Encoding.UTF8.GetBytes(dataToProtect);
byte[] plainBytes = dataProtector.Protect(protectedBytes);
if (stringEncodingMode == DataProtectionStringEncodingModes.BinHex)
{
return(StringUtils.BinaryToBinHex(plainBytes));
}
return(Convert.ToBase64String(plainBytes));
}
/// <summary>
/// Decrypts a previously protected strings from BinHex or Base64 binary data
/// and returns the orignal string data.
/// </summary>
/// <param name="protectedStringData"></param>
/// <param name="stringEncodingMode"></param>
/// <returns></returns>
public static string UnProtect(string protectedStringData,
DataProtectionStringEncodingModes stringEncodingMode = DataProtectionStringEncodingModes.Base64)
{
var protector = GetDataProtector();
byte[] protectedBytes;
if (stringEncodingMode == DataProtectionStringEncodingModes.BinHex)
{
protectedBytes = StringUtils.BinHexToBinary(protectedStringData);
}
else
{
protectedBytes = Convert.FromBase64String(protectedStringData);
}
byte[] plainBytes = protector.Unprotect(protectedBytes);
return(Encoding.UTF8.GetString(plainBytes));
}