static void Main(string[] args)
{
// our text to protect
var text = "Hello!";
// get bytes from text
var bytes = Encoding.UTF8.GetBytes(text);
// optional entropy
var entropy = new byte[] { 100, 25, 31, 213 };
// protect (encrypt)
var protectedBytes = CrossProtect.Protect(bytes, entropy,
DataProtectionScope.CurrentUser);
// unprotect (decrypt)
var unprotected = CrossProtect.Unprotect(protectedBytes, entropy,
DataProtectionScope.CurrentUser);
// convert bytes back to text
var result = Encoding.UTF8.GetString(unprotected);
// print result
Console.WriteLine(result);
Console.ReadKey();
}
private void RunTrip(byte[] entropy, DataProtectionScope scope)
{
var encrypted = CrossProtect.Protect(_sampleBytes, entropy, scope);
var unencrypted = CrossProtect.Unprotect(encrypted, entropy, scope);
var result = Encoding.UTF8.GetString(unencrypted);
Assert.Equal(SampleText, result);
}
private void Protect(byte[] data)
{
_entropy = _random.GenerateRandomBytes(_random.NextInt(EntropyMaxLength - EntropyMinLength) + EntropyMinLength);
_encryptedData = CrossProtect.Protect(data, _entropy, DataProtectionScope.CurrentUser);
_timestamp = _timestamper.UtcNow;
}