public async Task <IActionResult> WindowsHello(WindowsHelloViewModel model, string returnUrl = null)
{
ViewData["ReturnUrl"] = returnUrl;
if (!ModelState.IsValid)
{
return(RedirectToAction(nameof(Login)));
}
var user = await _userManager.FindByIdAsync(model.UserId);
if (user?.PublicKey == null)
{
return(RedirectToAction(nameof(Login)));
}
var authenticator = new FidoAuthenticator(user.PublicKey, HttpContext.Session.GetString("Challenge"));
if (!authenticator.ValidateSignature(model.Signature, model.AuthenticatorData, model.ClientData))
{
return(RedirectToAction(nameof(Login)));
}
await _signInManager.SignInAsync(user, false);
return(RedirectToLocal(returnUrl));
}
static void Main()
{
var v = FidoAuthenticator.validateSignature(pk, d, a, s, challenge) ? "verified" : "unverified";
Console.WriteLine(v);
}
