I’m happy that there’s been a recent resurgence of the build-it-yourself mentality in the tech crowd. For a while, there was a dearth of interest in how electronics and low-level software work. If you were lucky enough to have engineers as parents, you...

The next Baysec meeting is November 18 at Kate O’Briens. Come out and meet fellow security people from all over the Bay Area. As always, this is not a sponsored meeting, there is no agenda or speakers, and no RSVP is needed. See you Wednesday,...

The HMAC construction turns a cryptographic hash algorithm into a keyed hash. It is commonly used for integrity protection when the sender and recipient share a secret key. It was developed to address various problems with arbitrary keyed hash...

The following does not take place over a 24 hour period. But any one of these situations is a good example of a typical day at Root Labs. Attack Windows device driver protection scheme Certain drivers in Windows must implement software protection...

Earlier this year, I announced the xum1541 project. This is a microcontroller board that connects a C64 floppy drive via USB to a PC. It is intended to run at a high enough speed to support copying protected disks. Here’s an update on the project’s...