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Cryptography Archives

April 9, 2006

Fist of the sender revisited

As reported by Computerworld, Musicrypt is using BioPassword's multifactor authentication software to secure its promotional music deliveries:

"During the War, the allies discovered a way to track German telegraph operators by identifying their particular style of typing code, something known as 'the fist of the sender.'  Forty years later, researchers SRI International, a nonprofit research institute spun out of Stanford University, applied this work to the keyboard and found that people could also be identified by the rhythm of their typing.

This technology eventually landed in the hands of BioPassword Inc., based in Issaquah, Washington.  After taking about nine samples of an 8- to 16-keystroke password, the company's software is able to identify the 'fist' of the typist."

Update 2006/04/17: I forgot to mention that I initially heard of the fist of the sender in The Code Book by Simon Singh, which gives a good historical perspective on cryptography.

March 15, 2006

Zimmermann's approach to secure VoIP

As reported by many web sites, Philip Zimmermann has a new project: Zfone. This beta software allows encryption of SIP-based VoIP systems (i.e. Gizmo, Wengo, etc.), without the need of a PKI. In the future, Zimmermann expects the underlying protocol will be integrated into standalone secure VoIP clients.

Currently, binaries are available for Mac OS X and Linux. A Windows build should be released around mid-April.

Update 2006/5/23: they finally have a Windows XP version. :-)

March 2, 2006

Zero to IPSec in 4 minutes

As reported by the OpenBSD Journal, a straightforward IPSec with OpenBSD How-to has been published by SecurityFocus.

This is useful as the official FAQ IPSec guidance became obsolete long ago.

About Cryptography

This page contains an archive of all entries posted to never-ever-****-with-my.net in the Cryptography category. They are listed from newest to oldest.

Confidentiality is the previous category.

Data Privacy is the next category.

Many more can be found on the main index page or by looking through the archives.