public string RequestChallenge(UserAndKeyHintMessage message)
{
try
{
byte[] challengeBuffer = new byte[16];
// Generate Random nonce
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(challengeBuffer);
DAL.Instance.SetActiveChallenge(message.UserId, message.PublicKeyHint, challengeBuffer);
return Convert.ToBase64String(challengeBuffer);
}
catch (Exception)
{
return string.Empty;
}
}
public bool RemoveRegisteredKey(UserAndKeyHintMessage message)
{
bool retval = false;
try
{
retval = DAL.Instance.RemoveRegisteredKey(message.UserId, message.PublicKeyHint);
}
catch (Exception)
{
}
return retval;
}