Codeigniter 2 + Doctrine 2 + proper authentication

[eluser]jlb[/eluser]
[quote author="jens.steppe" date="1312554653"]Hi jlb.

I ended up using Ion Auth, wich i am very pleased about.

I did not change it to work with doctrine 2, but it can live beside my doctrine 2 orm.

Take a look a it, it works very nice.[/quote]

Before I dive in, does this require activerecord?