GetOwinContext is not working in asp.net core

Question

It always says HttpContext not include the define of GetOwinContext(),I try to download the .net core owin but I don't know how to implement the same function. The code belows can be complied in asp.net 5 .

private IAuthenticationManager AuthenticationManager
{
    get
    {                
        return HttpContext.GetOwinContext().Authentication;
    }
}

Answer 1

There is no GetOwinContext() for Asp.Net core. Use HttpContext.Authentication instead.