/// <summary>
/// Enroll the authenticator with the server.
public void Enroll(string b32key)
{
SecretKey = WinAuthBase32.GetInstance().Decode(b32key);
Sync();
}
/// <summary>
/// Set the private key for the authenticator
/// </summary>
/// <param name="b32key">base32 encoded key</param>
public void Enroll(string b32key, long counter = 0)
{
SecretKey = WinAuthBase32.GetInstance().Decode(b32key);
Counter = counter;
}