看板FB_security
标 题Re: rc.d/postrandom
发信站NCTU CS FreeBSD Server (Tue Sep 25 02:47:07 2012)
转信站ptt!csnews.cs.nctu!news.cs.nctu!FreeBSD.cs.nctu!freebsd.org!owner-free
On Mon, Sep 24, 2012 at 10:15 AM, Dag-Erling Sm=F8rgrav <
[email protected]> wrote:
> Doug Barton <[email protected]> writes:
>> If you disagree with what this script is doing, please speak up.
>
> Do you mean initrandom? I dislike it only slightly less now than I did
> before. I hope Pawel's patch works out so we can nuke it.\
He means postrandom. Which deletes all saved entropy because of fear
of replay attacks.
IMO, this doesn't make much sense - if you don't have sufficient fresh
entropy to mix into the pool, then deleting your saved entropy makes
you more vulnerable, not less. And if you do, you're not vulnerable
anyway.
So, I'm with Dough on this one.
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