FreeBSD IPSec stack contains backdoors?

Victor Lyapunov fullblaststorm at
Fri Dec 17 08:28:40 UTC 2010

---------- Forwarded message ----------
From: Victor Lyapunov <fullblaststorm at>
Date: 2010/12/15
Subject: FreeBSD IPSec stack contains backdoors?
To: FreeBSD Mailing List <freebsd-questions at>

Hi folks,
Recently OpenBSD developer Gregory Perry disclosed information about
possible backdoors in OpenBSD IPSec stack (see In particular,
Gregory Perry, who has been working on a OpenBSD -ish implementation
of IPSec says a number of backdoors have been introduced into the

As far as I am aware, FreeBSD contains considerable amount of code
ported from OpenBSD. The question is: was the FreeBSD's ipsec code
ported from OpenBSD's implementation? If so, what might be the impact
of this?

Victor Lyapunov.

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