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Re: CVE-2016-2178: OpenSSL DSA follows a non-constant time codepath for certain operations


From: Roman Drahtmueller <draht () schaltsekun de>
Date: Wed, 08 Jun 2016 21:52:51 +0200

Hi Marcus,

Hi,

the openssl team usually announces those LOW issues together with the
other
issues during their semi regular advisories.

(And usually as soon as these LOW CVE issues are getting added to git,
a
new advisory is not far away.)


The only low part here appears to be the number of samples needed for a full recovery. 
Are we sure that a "low" rating is justified?
DSA is basically dead, until the constant time switch is flicked. The only countermeasure so far is turning it off. 

Thx,
Roman.

-- 
schaltsekun.de


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