ORACUDA

New Year, New Computer with New Nvidia graphics card which enables me to report that Vista 64-bit and Nvidia GeForce 9800 GT work fine with CUDA and BarsWF More graphics cards on the way.. For AMD/ATI users there is CAL which is a similar paralell processing GPU technology. Elcomsoft are using CUDA technology to speed up it’s password [...]

CCC MD5 collision demo

The Computer Chaos Convention has spawned an example of how MD5 collisions can be used to create a rogue CA cert that has the same MD5 as a valid CA cert. The example is interesting but only affects CA Certs that rely on the MD5 checksumming algorithm for the digital signature. This is the minority [...]

Data Leak Prevention Win-Win

Initially a DLP implementation can be labour intensive especially if it requires the categorisation of data into appropriate sensitivity levels. Most security measures have a corresponding cost. This was borne out in Tom Kyte’s presentation on Encryption at UKOUG this year where the encryption routines were measured to show the performance hit of encrypting data [...]