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Archive for 'crypto'

Using hard mathematical problems to prevent spam

This is not something new exactly. I first came up with this idea few years ago and it was published and discussed many times since then. The idea is quite simply so a lot of people came up with it themselves as well. I claim neither rights nor priority for this idea.
There are three […]

The Schneier’s Code

I’ve found this photo from the friend’s links. It is an autograph that was given by Bruce Schneier at Hack In The Box’2006 conference. As you can see it is enciphered. I know neither the encryption key nor any details about the cipher, but being as mighty as both Bruce and Chuck altogether, I can […]

Asiacrypt-2006

It seems to be a beginning of a bad tradition - I would not attend Asiacrypt conference this year.
Btw, to whom interested: the conference’s proceedings are available at Springer already.

BitLocker Drive Encryption Algorithm

The 22-page PDF document on AES-CBC + Elephant diffuser algorithm used in upcoming Windows Vista’s BitLocker Drive Encryption is available here

“On Single Cycle Functions”

“The purpose of this note is to present a few nonlinear invertible functions with a single cycle” read (pdf, 95k)