Encrypt user passwords from Audience Manager Login

Audience Manager Login

using Sdl.AudienceManager.ContentDelivery;
using Sdl.AudienceManager.ContentDelivery.Profile;

namespace My.Controllers
{
    public class LoginController : BaseController
    {
	[HttpPost]
        public virtual ActionResult LoginForm(FormModel model, EntityModel entity, int containerSize = 0)
        {
            SetupViewData(entity, containerSize);
            FormModel Model = (FormModel)EnrichModel(entity);
            Model.EmailId = model.EmailId;
            Model.Password = model.Password;

            Model.IsLoginError = IsLoggedIn(model.EmailId,model.Password);
			
            if (!Model.IsLoginError)
            {
               //TODO: Need to implement the code once login done successfully. 
            }
            return View(Model.MvcData.ViewName, Model);
        }
		
		
        private bool IsLoggedIn(string modelEmailId, string userPassword)
        {
            bool loginErrorStatus = true;

            //TODO:Connect to Audience Manager & Check the Login Details
            try
            {
                Contact contact = Contact.FromEmailQueryString(modelEmailId);
                string password = contact.ExtendedDetails["Password"].StringValue;
                string salt = contact.ExtendedDetails["Password_salt"].StringValue;                
                string hashedPassword = Encription.HashPassword(modelPassword,salt);
				
                if (password == hashedPassword)
                {
                    loginErrorStatus = false;
                }
            }
            catch (Exception e)
            {
                loginErrorStatus = true;
            }          

            return loginErrorStatus;
        }
	}
}

Encrypt user passwords

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace My.Helpers
{
    public static class Encription
    {
        public static string HashPassword(string valueToEncrypt, string token)
        {
            if (string.IsNullOrEmpty(token))
            {
                return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(valueToEncrypt, System.Web.Configuration.FormsAuthPasswordFormat.SHA1.ToString());
            }
            else
            {
                return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(token.ToString() + ":" + valueToEncrypt.Trim(), System.Web.Configuration.FormsAuthPasswordFormat.SHA1.ToString());
            }
        }
    }
}