Over the past few years, the project has made the following T-Shirts:

Number 6: the OpenBSD 2.5 shirt (front and back)

THESE SHIRTS CAN BE BOUGHT ON THE WEB! secure order or insecure order.

Number 5: the OpenBSD/OpenBSE shirt (front and back)

THESE SHIRTS CAN BE BOUGHT ON THE WEB! secure order or insecure order.

Front of shirt contains the original OpenBSD "Open the Daemon" picture.

When one of our developers told his mother that he was working on OpenBSD, she misunderstood and thought he meant BSE -- Bovine Spongiform Encephalopathy (ie. Mad Cows Disease). The picture on the right resulted...

Number 4: The Blowfish shirt (front and back)

THESE SHIRTS CAN BE BOUGHT ON THE WEB! secure order or insecure order.

Front of shirt contains a picture of the blowfish, and a vague reference to how using the blowfish cipher for the OpenBSD password hash makes our password mechanism more secure. People won't be able to crack your passwords anymore..

Back of shirt contains the complete source code for our the blowfish algorithm (written in Germany).

For more information see our cryptography page...

THESE SHIRTS CAN BE BOUGHT ON THE WEB! secure order or insecure order.

The wireframe image on the shirt has an incredible feeling texture.

These shirts were sold at Defcon VI. July 31 - Aug 2, 1998. Las Vegas, Nevada, USA, LISA '98, December 6-11, 1998. Boston, Massachusetts, and the Reflections/Projections conference in Urbana, IL, USA.

These shirts were sold at Usenix in New Orleans, June 15-19, 1998.