UserStore.SecurityStampStore.cs

using Microsoft.AspNet.Identity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;

namespace AspNet.Identity.MySQL
{
    public partial class UserStore<TUser, TRole> : IUserSecurityStampStore<TUser>
    {
        /// <summary>
        ///  Set security stamp
        /// </summary>
        /// <param name="user"></param>
        /// <param name="stamp"></param>
        /// <returns></returns>
        public Task SetSecurityStampAsync(TUser user, string stamp)
        {
            user.SecurityStamp = stamp;

            return Task.FromResult(0);

        }

        /// <summary>
        /// Get security stamp
        /// </summary>
        /// <param name="user"></param>
        /// <returns></returns>
        public Task<string> GetSecurityStampAsync(TUser user)
        {
            return Task.FromResult(user.SecurityStamp);
        }
    }
}