Nothing is as humbling as realizing your mistakes after-the-fact. Let’s review the cipher from my previous post, locate some flaws, and make some improvements. First, while permuting the key with ciphertext would make the final text more diffused, because the Vigenere Cipher is not much more than basic modulo arithmetic, the diffusion added from the [...]
Having too much fun with my droid, I have continued to read about the awesome scripts and programs available. One that caught my eye was A script for blowfish encrypted SMS messages. SMS isn’t secure, and I thought, “How cool would it be if I could encrypt messages on my phone and keep the key [...]
A few days ago I caved in, cancelled my AT&T service early (something I’ve been meaning to do for a while), and picked up a Motorola Droid 2 from Verizon. When I first turned on my new Droid 2, I noticed Verizon had added a bunch of useless apps that I could not remove. A [...]