I’m building an ASP.NET MVC application that uses a DDD (Domain Driven Design) approach

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Asked: May 13, 20262026-05-13T10:30:59+00:00 2026-05-13T10:30:59+00:00

I’m building an ASP.NET MVC application that uses a DDD (Domain Driven Design) approach

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I’m building an ASP.NET MVC application that uses a DDD (Domain Driven Design) approach with database access handled by NHibernate. I have domain model class (Administrator) that I want to inject a dependency into via an IOC Container such as Castle Windsor, something like this:

public class Administrator
{
    public virtual int Id { get; set; }

    //.. snip ..//

    public virtual string HashedPassword { get; protected set; }

    public void SetPassword(string plainTextPassword)
    {
        IHashingService hasher = IocContainer.Resolve<IHashingService>();

        this.HashedPassword = hasher.Hash(plainTextPassword);
    }
}

I basically want to inject IHashingService for the SetPassword method without calling the IOC Container directly (because this is suppose to be an IOC Anti-pattern). But I’m not sure how to go about doing it. My Administrator object either gets instantiated via new Administrator(); or it gets loaded via NHibernate, so how would I inject the IHashingService into the Administrator class?

On second thoughts, am I going about this the right way? I was hoping to avoid having my codebase littered with…

currentAdmin.Password = HashUtils.Hash(password, Algorithm.Sha512);

…and instead get the domain model itself to take care of hashing and neatly encapsulate it away. I can envisage another developer accidently choosing the wrong algorithm and having some passwords as Sha512, and some as MD5, some with one salt, and some with a different salt etc. etc. Instead if developers are writing…