private static string DecryptText(byte[] encrypted, byte[] nonce, byte[] tag, byte[] protectedKey, byte[] entropy)
{
byte[] key = Protected.Unprotect(protectedKey, entropy, DataProtectionScope.CurrentUser);
byte[] decryptedText = aesGCM.Decrypt(encrypted, key, nonce, tag, Encoding.UTF8.GetBytes("some metadata"));
return(Encoding.UTF8.GetString(decryptedText));
}
private static void ProtectedDataTest()
{
var encrypted = Protected.Protect("Mary had a little lamb", "8wef5juy2389f4", DataProtectionScope.CurrentUser);
Console.WriteLine(encrypted);
var decrypted = Protected.Unprotect(encrypted, "8wef5juy2389f4", DataProtectionScope.CurrentUser);
Console.WriteLine(decrypted);
}