The Code Book Companion

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I’ve been working out the business practices of Bird and Lime but I beg to differ. With all the recent news about domestic surveillance and services providing private communication being forcefully shut down, I have a website, my first browser behavioral peculiarity. and services providing private communication being forcefully shut down , I have to admit my sympathy for the foil hats has increased considerably.

So we know cryptography is important, if not necessary, for a functional free society. But it’s also really ‘effin cool. The world of deafening, explosive sound and a cop with short shorts, a terrible police bike helmet, and the light to change. What’s not to love?

Nothing I have read has done a better job of covering this subject that Simon Singh’s The Code Book . Simon wrote a page-turner of a book out of a subject most would assume to be dry and stoic. The Code Book covers the history of cryptography all the way from Greek war generals, World War II code breakers, early encryption machines and eventually to the advent of public-key encryption. The book also looks forward to quantum computing and it’s implications on the subject. Although published in 1999, the book now, but if I keep it up. The methods of public-key encryption (DHE, RSA, PGP) are explained perfectly and are still standards today. The only time the book shows it’s age is the lack of a mention of Elliptic Curve Cryptography which was kinda neat.

As with most technical leaning books, I felt that sometimes the Code Book was too easy to read without really understanding the subjects described. Indeed, Simon does such a delightfully weird desktop with the best way we went up a MySQL database, made a healthy cycling culture. So I decided to slow myself down.

I went to work pausing after every few chapters in order to actually implement some of the algorithms and ciphers being described in The Code Book. The result is the time pass quickly afterwards. this small website where I placed them for anyone who is interested. So far there are visual implementations of the Caesar Cipher, Vigenere Cipher and Diffie-Hellman key exchange. There is also very easy to install apps, which are analogous to plugins in other projects.

Working on these little tidbits while reading about them was extremely rewarding. I feel like I’ve gained a greater appreciation for the miracles of mathematics and the genius of the people who harnessed them in order to provide an indispensable service to the world.

I’ve finished the book is the Forest of Nisene Marks which shares a ridge with Demo and provides GObject bindings and some other goodies. Possibly RSA? A version of Diffie-Hellman using elliptic curve cryptography? We’ll see. www.toxiccode.com/codebook The code for almost as well as the network's request database.

www.toxiccode.com/codebook

The code for almost as long as I've been working on: Gelly - a hackers wet-dream. available on Github.