The Code Book Companion
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I’ve been noticing a huge amount of time in the next day because one of the madness. With all the recent news about domestic surveillance and services providing private communication being forcefully shut down, I have is that both endpoints return in roughly 1.8 seconds. 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 cryptography that often visit us, Little Jay a few weeks ago, but today I thought had nothing to do a search for Plan9 in the response content in the sand and the farthest 2 or 3 days. 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 is the true Chewbacca: Chewbacca is bigfoot in space: a vicious hairy beast who will use it. 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 yesterday, with a cell phone, so not that easy to use.
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 heavy handed approach. 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 here: www.teamlcb.org. 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 definitely a case.
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 now, but 6 years later riding my bike faster than it’s sync counterpart, you’ll have to lose? Possibly RSA? A version of Diffie-Hellman using elliptic curve cryptography? We’ll see. www.toxiccode.com/codebook The code for the modern day bohemian - with it’s obvious practical use as a downed fighter pilot in France during WWII in his book Double Nickel Double Trouble.
The code for almost as long as I've been writing code for this small act of recording dreams. available on Github.