Secure Portage System [UNSOLVED/ONGOING]

[HeXiLeD]

This has been on my mind for a long long time now, and i think it should implemented without losing more time.
The portage system should have a strong crypto to validate downloaded packages.

Today i was reading about Debian and i decided to talk about it here.
see secure-apt here

Why would we want this ?
well... lets see... to start because of arp poisoning and a few other things that can trick a user to get 'malicious packages' to the system.
From there i belive i dont need to draw the full potential implications of such possibility.(in fact i dont even to give extra ideas about it)
These days OS's are depending more and more of the web. We are almost becoming webOS's (in fact there are projects for that too)
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[didl]

If you search through the gentoo-dev list you should find several
(long) threads about this and related issues.

[HeXiLeD]

I have been a bit away and lost track of this topic. What is the current status of portage regarding this topic ?
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