public bool VerifyToken(string base32SecretKey,
string token,
int stepSeconds = 30,
int previous = 0,
int future = 0)
{
var verificationTokens = new List <string>();
for (var stepOffset = -1 * previous; stepOffset <= future; stepOffset++)
{
verificationTokens.Add(_totpTokenProvider.ComputeToken(base32SecretKey, stepSeconds, stepOffset));
}
return(verificationTokens.Contains(token, StringComparer.InvariantCulture));
}
public async Task <string> GenerateAsync(IUserManager manager, UserData user)
{
var secretKey = await manager.GetAuthenticatorKeyAsync(user);
return(_totpTokenProvider.ComputeToken(secretKey));
}