Defending against wedge attacks in Chip & PIN

The EMV standard, which is behind Chip & PIN, is not so much a protocol, but a toolkit from which protocols can be built. One component it offers is card authentication, which allows the terminal to discover whether a card is legitimate, without having to go online and contact the bank which issued it. Since [...] [...]

SGI Terminates Graphics Division

VizWorld has posted a note that SGI terminated their entire graphics division from the Vice President on down to the engineers: http://www.vizworld.com/2009/08/breaking-sgi-terminates-graphics-division/ It was a long time coming, but nonetheless it&#… [...]

neko_no_ko on Twitter

I got around to creating a Twitter account the other day — too late to snag the ‘nekonoko’ tag, but was still able to get ‘neko no ko’ (underscores rather than spaces) which is a suitable alternate. Twitter is shaping up … [...]

Lightweight IPv4

Introduction For a midsize project I wanted to store IP ranges in the database with the option to to also store CIDR blocks. CIDR blocks, though powerful are somewhat difficult for a typical user. Additional using them is not as precise for all ip ranges. There are a plethora of tools available on the internet that will do what I [...] [...]