Re: UK Sunday Times: "Steal the face right off your head"
On 13 Dec 2000, Jaap-Henk Hoepman wrote: >According to these experts, any method for detecting gloves, dead fingers >etc. cannot be made very reliable because the variation of the physical >properties whose measurement these systems rely on is very large. Increasing >the reliability would also increase the false rejection ratio, making the >systems unusable. Last time I had to use such a system, It considered my fingertip "dead or artificial" and refused to open. Side effect of having very thick dry skin that's not very conductive electrically. Bear
Re: IBM press release - encryption and authentication
On 14 Dec 2000, Nikita Borisov wrote: > I think, though, that the "parallelization-friendliness" of the result > is much more interesting than being able to encrypt and MAC at the same > time. Encrypt and MAC together are pretty useful too - it can result in a factor of two improvement in speed on a single CPU system. There's an improved version of the IBM mode at http://csrc.nist.gov/encryption/aes/modes/ in the 'OCB mode' paper. Clearly, it's a good idea to wait for new developments to stop happening to use the new modes. -Bram Cohen "Markets can remain irrational longer than you can remain solvent" -- John Maynard Keynes