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Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.

Always interested in offers/projects/new ideas. Eclectic experience in fields like: numerical computing; Python web; Java enterprise; functional languages; GPGPU; SQL databases; etc. Based in Santiago, Chile; telecommute worldwide. CV; email.

Personal Projects

Lepl parser for Python.

Colorless Green.

Photography around Santiago.

SVG experiment.

Professional Portfolio

Calibration of seismometers.

Data access via web services.

Cache rewrite.

Extending OpenSSH.

C-ORM: docs, API.

Last 100 entries

SFO Get Libor Trader (14 years); Why Are There Still So Many Jobs?; Navier Stokes Incomplete; More on Benford; FBI Claimed Vandalism; Architectural Tessellation; Also: Go, Blake's 7; Delusions of Gender (book); Crypto AG DID work with NSA / GCHQ; UNUMS (Universal Number Format); MOOCs (Massive Open Online Courses); Interesting Looking Game; Euler's Theorem for Polynomials; Weeks 3-6; Reddit Comment; Differential Cryptanalysis For Dummies; Japanese Graphic Design; Books To Be Re-Read; And Today I Learned Bugs Need Clear Examples; Factoring a 67 bit prime in your head; Islamic Geometric Art; Useful Julia Backtraces from Tasks; Nothing, however, is lost with less discomfort than that which, when lost, cannot be missed; Article on Didion; Cost of Living by City; British Slavery; Derrida on Metaphor; African SciFi; Traits in Julia; Alternative Japanese Lit; Pulic Key as Address (Snow); Why Information Grows; The Blindness Of The Chilean Elite; Some Victoriagate Links; This Is Why I Left StackOverflow; New TLS Implementation; Maths for Physicists; How I Am 8; 1000 Word Philosophy; Cyberpunk Reading List; Detailed Discussion of Message Dispatch in ParserCombinator Library for Julia; FizzBuzz in Julia w Dependent Types; kokko - Design Shop in Osaka; Summary of Greece, Currently; LLVM and GPUs; See Also; Schoolgirl Groyps (Maths); Japanese Lit; Another Example - Modular Arithmetic; Music from United; Python 2 and 3 compatible alternative.; Read Agatha Christie for the Plot; A Constructive Look at TempleOS; Music Thread w Many Recommendations; Fixed Version; A Useful Julia Macro To Define Equality And Hash; k3b cdrom access, OpenSuse 13.1; Week 2; From outside, the UK looks less than stellar; Huge Fonts in VirtualBox; Keen - Complex Emergencies; The Fallen of World War II; Some Spanish Fiction; Calling C From Fortran 95; Bjork DJ Set; Z3 Example With Python; Week 1; Useful Guide To Starting With IJulia; UK Election + Media; Review: Reinventing Organizations; Inline Assembly With Julia / LLVM; Against the definition of types; Dumb Crypto Paper; The Search For Quasi-Periodicity...; Is There An Alternative To Processing?; CARDIAC (CARDboard Illustrative Aid to Computation); The Bolivian Case Against Chile At The Hague; Clear, Cogent Economic Arguments For Immigration; A Program To Say If I Am Working; Decent Cards For Ill People; New Photo; Luksic And Barrick Gold; President Bachelet's Speech; Baltimore Primer; libxml2 Parsing Stream; configure.ac Recipe For Library Path; The Davalos Affair For Idiots; Not The Onion: Google Fireside Chat w Kissinger; Bicycle Wheels, Inertia, and Energy; Another Tax Fraud; Google's Borg; A Verion That Redirects To Local HTTP Server; Spanish Accents For Idiots; Aluminium Cans; Advice on Spray Painting; Female View of Online Chat From a Male; UX Reading List; S4 Subgroups - Geometric Interpretation; Fucking Email; The SQM Affair For Idiots; Using Kolmogorov Complexity

© 2006-2015 Andrew Cooke (site) / post authors (content).

Greek Phone Tapping via Ericsson Backdoor

From: "andrew cooke" <andrew@...>

Date: Wed, 15 Mar 2006 08:24:08 -0400 (CLT)

A while back there was a scandal about an illegal wiretap on Greek
politician's mobile phones.  I thought I had posted about it here, but I
can't find anything now (I remember looking around for information and
finding little).  A BBC report from the time is here -
http://news.bbc.co.uk/2/hi/europe/4674216.stm

It turns out that the tapping was done via part of the system intended for
"lawful interception" -
http://homes.esat.kuleuven.be/~gdanezis/intercept.html - and there's a
rumour - http://betabug.ch/blogs/ch-athens/312 - that access to the system
is possible via a simple backdoor.  In which case all Ericsson phone
systems could be vulnerable.

Info from Cryptogram - http://www.schneier.com/crypto-gram-0603.html

Also via Cryptogram, this cute social hack on a basketball player -
http://daily.stanford.edu/tempo?page=content&id=19754&repository=0001_article

Andrew

Follow-up from Schneier

From: "andrew cooke" <andrew@...>

Date: Sat, 15 Jul 2006 10:43:03 -0400 (CLT)

Some more general history -
http://www.schneier.com/blog/archives/2006/06/greek_wiretappi_1.html

Five Vodaphone technicians accused -
http://www.schneier.com/blog/archives/2006/07/greek_wiretappi.html

(Also from the latest Cryptogram, a link to a fascinating article on
hacking the XBox -
http://www.xbox-linux.org/wiki/17_Mistakes_Microsoft_Made_in_the_Xbox_Security_System)

Andrew

Vodafone Fined (Technician Killed?!)

From: "andrew cooke" <andrew@...>

Date: Fri, 15 Dec 2006 13:54:53 -0300 (CLST)

BBC reports that Vodafone have been fined for this tapping -
http://news.bbc.co.uk/2/hi/business/6182647.stm

Further background from the Guardian:

Suicide adds to mystery -
http://observer.guardian.co.uk/world/story/0,,1702505,00.html

Vodafone's greek tragedy act II -
http://observer.guardian.co.uk/business/story/0,,1717891,00.html

And from a site dedicated to the dead technician -
http://www.whycostas.com/case_presentation.html

Andrew

Full review in IEEE Spectrum

From: "andrew cooke" <andrew@...>

Date: Fri, 13 Jul 2007 08:54:35 -0400 (CLT)

http://www.spectrum.ieee.org/print/5280

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