Poul-Henning Kamp to present in Cambridge 29 Feb, 3 March

[Robert Watson]

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Dear all,

Poul-Henning Kamp, a long-time FreeBSD developer from Denmark, will be in=
=20
Cambridge, UK in a couple of weeks, and will be giving two talks at the=20
Computer Laboratory in West Cambridge, one on his security-related work on=
=20
FreeBSD (password hashes and encrypted storage), and the second on the Varn=
ish=20
web accelerator.  These are both open to the public; please check the URLs=
=20
before attending in case the venue has changed.  Directions and other=20
information may be found on the Computer Laboratory website:

   http://www.cl.cam.ac.uk/

The first talk is part of our Security Group meeting presentation series, a=
nd=20
takes place on Friday 29 February.

   MD5crypt and GBDE: observations of a non-union cryptographer
   http://talks.cam.ac.uk/talk/index/10875

   Poul-Henning Kamp
   Friday 29 February 2008, 16:00-16:30
   Computer Laboratory, William Gates Building, Room FW11.
   If you have a question about this talk, please contact robert.watson.

   Cryptographers are great guys and smart people, but why don=E2=80=99t th=
ey ever
   produce code that solves the problems we have, and why do the whine when=
 we
   do ?

   MD5crypt, probably the worlds most widely used protection of passwords, =
was
   thrown together by a non-cryptographer in an afternoon, why did he have =
to ?
   (and why isn=E2=80=99t he too proud of it ?)

   GBDE , an encrypted disk facility, took considerably more work in the se=
cond
   step of the Feynmann algorithm, and a solid beating from the cryptograph=
ers
   card-carrying union members, but did anybody learn anything and if so, w=
hat
   ?

   This talk is part of the Computer Laboratory Security Group meeting
   presentations series.

The second talk is part of our Network and Operating System (NetOS) seminar=
=20
series and takes place 3 March:

   Varnish -- programming like it is 2008
   http://talks.cam.ac.uk/talk/index/10766

   Poul-Henning Kamp (http://people.freebsd.org/~phk/)
   Monday 03 March 2008, 11:00-12:00
   Lecture Theatre 2, Computer Laboratory, William Gates Builiding.
   If you have a question about this talk, please contact Eiko Yoneki.

   =E2=80=9CA computer consists of a CPU , RAM, DISK and I/O=E2=80=9D has d=
one more damage
   to computer performance than any 3D eye-candy will ever do.

   Recent (ie: 1980) advances in hardware and operating systems are largely
   ignored in education of programmers, leading to inefficient and stupid
   programming practices, which neither faster hardware nor better operatin=
g
   systems can do much about.

   Using the Varnish HTTP accellerator he wrote as an example, a hard-core
   kernel programmer will try to show how an application, properly designed=
 for
   modern hardware and operating systems, can be 10 times faster than the
   competition, and still not use more than a fraction of the hardware
   resources.

Robert N M Watson
Computer Laboratory
University of Cambridge
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