My blog is at https://www.gkbrk.com https://www.gkbrk.com and I have a small personal wiki at https://www.gkbrk.com/wiki/ https://www.gkbrk.com/wiki/. My conte

My blog is at https://www.gkbrk.com https://www.gkbrk.com and I have a small personal wiki at https://www.gkbrk.com/wiki/ https://www.gkbrk.com/wiki/. My content is mainly about reverse engineering, network protocols, amateur radio stuff and cryptography.