Posted by Aaron Massey on 15 Apr 2011.
Bruce Schneier has a great short post on what has become known as Schneier’s Law:
Anyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can’t break.
This is a fundamental concept to cryptography in particular and to security in general. It’s worth knowing where it comes from if you’re going to cite it appropriately.