Harbor in Höfn, Iceland.

Bob's Blog

Random Thoughts on Various Topics

Trusts and monopolies cartoon from https://www.loc.gov/resource/ppmsca.27589/, published in in 'Puck', v. 66, no. 1711 (1909 December 15)

I'm Bob, I have this site on various topics including travel, Linux and other open-source projects, cybersecurity, and networking, plus an entire other website containing oddly specialized travel pictures and commentary.

This collection of essays or musings or rants or what-not will include pieces related to those, or without an obvious home on either site.

Latest:

What's the Point of Asymmetric Encryption?
Asymmetric encryption is often described as useful for "small messages", but that's misleading. They're only applied to symmetric keys and hash values, strings of no more than a few hundred bits.

Recent:

Cybersecurity Certifications are a Racket
Cybersecurity certifications are little more than a mechanism for the certifying companies to make a lot of money.

How Not to Get a Job
Cybersecurity certifications are little more than a mechanism for the certifying companies to make a lot of money.