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Joe Gibson

I work at NASA and I'm interested in security, open source projects, and beer.

Washington, D.C. https://gibsjose.com @gibsjose @gibsjose 7 posts
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U2F Authentication on OS X

I recently bought a U2F Zero, an $8.00 open source U2F (Universal 2nd Factor) hardware key. After the initial setup of the U2F Zero (hint: »

Joe Gibson Joe Gibson on Security, Crypto, Tutorials, U2F, OS X 02 October 2016 Comments

Bit Hacks

By Sean Eron Anderson [email protected] Converted to Markdown by Joe Gibson (@gibsjose) [email protected] Edits and Table of Contents by Jeroen »

Joe Gibson Joe Gibson on C, C++, Optimization 23 January 2016 Comments

Secure Cryptographic Hashing with 'bcrypt-hash'

bcrypt is a great utility for encrypting files with the blowfish cipher, which was designed by the legendary cryptographer Bruce Schneier. One of the reasons that »

Joe Gibson Joe Gibson on Security, PHP, Crypto 29 December 2015 Comments

Fish/Bash Script for File and Directory Size

I was looking for a simple catch-all solution to find either the size of a file or the entire size of a folder (and everything in »

Joe Gibson Joe Gibson on Fish, Bash 24 December 2015 Comments

Creating a Custom Ghost Theme

Once you have Ghost set up, you will probably want to start messing around with different themes. Ghost comes with the Casper theme by default, and »

Joe Gibson Joe Gibson on Tutorials, Ghost 09 August 2015 Comments

Web Tutorials and Guides

DigitalOcean, the cloud-based virtual private server I use to host this blog, does a lot more than rent server machines to customers. They have managed to »

Joe Gibson Joe Gibson on Tutorials, Ghost, DigitalOcean 08 August 2015 Comments
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