Category Archives: Sec, crypto, forensics and priv

In the beginning Turing created the Machine

17 years ago I met for first time with the Alan Mathison Turing (1912-1954) figure. I was taking an AI course at the Faculty of Computer Science. Until that moment, I thought (as many people do) in Albert Einstein, Santiago … Continue reading

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The SS (Second Section) strikes back

As the great mass of Spanish blogosphere, I join to the “Fundamental Rights in the Internet Manifesto” against a new law project of our fascist govern that tries to block Internet web sites bypassing the courts. Copyright should not be … Continue reading

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We’ll need eatable DRAMs

The new was released one month ago, but the vulnerability will remain without solution the next months/years. A team of the University of Princeton developed an attack against all the crypto filesystems. The attack exploits a discovery about most DRAMs … Continue reading

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When impossible is not an answer

Recovering deleted files in the ext3fs is a very hard task. It happens because the journal overwrites the block pointers in the inodes with zeroes. Carlo Wood knew it, but he didn’t surrender when he deleted accidentally his home directory. … Continue reading

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More released knowledge

Usenix will make freely avaiable their proceedings to everybody Via Matt Blaze’s Exhaustive Search

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Jessica Biel is dressed up in my bed

It’s the new of the month: a local  exploit (thanks Emilio J.) that affects both 2.4 and 2.6 Linux kernel series. It uses a serious bug in the vmsplice function of the file systems subsystem. It’s as easy as getting … Continue reading

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Risky practices ;-)

xkcd comic strip: “Responsible behavior” (under CC Attribution-Non commercial 2.5)

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Hardcore censorship

It happened in the first days of December. Everybody who tried to connect to Blogger from Galician universities couldn’t do it. In the beginning we thought about some rare Google trouble. But the reality was very different: CESGA (Galician Supercomputation … Continue reading

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Intel vPro, the new trojanhorse?

I read this new about vPro [es] wonders. I did a fast overview on Intel’s whitepaper. Then, I thought automatically in Ross Anderson’s FAQ about Trusted Treacherous Computing. Updated, August 30th : I’m not the lone paranoic. Via OS News. … Continue reading

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Exploiting linux cryptofs’s

The work published some weeks ago  by Torbjörn Pettersson at the CCC 2007 is, at least, worrying. It shows techniques about how to get the keys in a memory dump in systems using the old cryptoloop and the new dm-crypt … Continue reading

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Trojanfonica?

Yesterday I received an odd phone call from Telefonica, my ADSL provider. They offer me a new free (as in free beer) service: if I have a breakdown in my computers, they kindly repair it. Awesome, isn’t it? What’s the … Continue reading

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Nuclear liability

Yesterday I had a very interesting discussion having dinner about the future of energies. I was in a minority against nuclear energy as solution to the future. One of my reasons was (is) the human factor in the security of … Continue reading

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Forensic linguistics speech

Next May,16, Mr. James Fitzgerald, from the Critical Incident Response Group of the FBI Academy at Quantico, will give an speech: “The FBI and Forensic Linguistics: Using Language to Solve Crimes”. The event will happen in the Faculty of Computer … Continue reading

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Sorry…

…your DRM (HD-DVD) sucks: 09-f9-11-02-9d-74-e3-5b-d8-41-56-c5-63-56-88-c0 More about this: Kriptópolis:Digg y el nuevo número de la bestia Especial del Taller de Criptografía BBC report:DRM group vows to fight bloggers And something about the next crack at Ars Technica…

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Les Misérables (hackers of Cuba)

Via Arcadi Espada’s blog(es), I heard about the story of five Cuban university students that used their School servers to create chat rooms, and sell stolen identities and passwords to access to the Internet. They were filmed in a meeting, … Continue reading

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Solaris UFS architecture (and more)

I read in OS News that it has been released a chapter of the book Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture, by J. Mauro and R. MacDougall. The chapter published by Informit.com explains history, architecture and use of … Continue reading

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Improving packet filering

OpenBSD Journal has published three articles (in fact, three chapters of a cancelled book) by Daniel Hartmeier about advanced topics using OpenBSD’s firewall, known as Packet Filter (PF): Firewall Ruleset Optimization Testing Your Firewall Firewall Management Remember OpenBSD 4.0 is … Continue reading

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Random guy

An interesting post by Richard Clayton in Light Blue Touchpaper about design of anonymizing systems, reflects on using randomness as the lonely solution to strengthen the communication. Random even cause the opposite effect, as Clayton and Danezis study in this … Continue reading

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Trying to recover the smile

It’s no easy. In Galicia 4 persons died and around 100,000 Ha of forests burned, lots of animals too. Fortunately, fire didn’t arrived to the Fragas of Eume River, the most important Atlantic forest in Europe (and near my hometown, … Continue reading

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Next battle: treacheous computing

I read in the OpenBSD Journal about the new intitiative against DRM (Digital Rights Management): Defective By Design. The first action was a protest in Seattle, USA, in the Microsoft developers annual conference: The press release in Defective By Design … Continue reading

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