www.deadhat.com

This is the homepage of David and Tina Johnston. It is of uneven quality.

David's Online Polynomial Divider

Frustrated with my inability to ever get synthetic polynomial division right first time, I wrote a little algorithm and web page to automate the process.here.

The Hillsboro Lunch Planner

802.11i and 802.16e Cryptography Stuff

I have made some cryptographic code available in the public domain. Principally so that it can be incorporated into the 802.11 TGi security specification. It is now getting a bit long in the tooth, the standard has advanced, please use with caution.The code can be found here.

In January 2004, the IEEE 802.16e task group incorporated into the specification this proposal for an AES-CCM based cipher mode. It's been updated a few times since. I (with the approval of my employer) have made the following code available in the public domain to dismbiguate the specification and provide vectors against which implementors can compare their implementations. Do not take this code as gospel, it is my interpretation of what the specification says. If you have an implementation that doesn't match then please contact me so we can iron out the differences. The code can be found here.

Mail Phonebook Gallery

Don't bother with these unless you know you are supposed to.

 

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