# jemdoc: addcss{rbh.css}, addcss{jacob.css}
= crypto: intro

~~~
- [http://simonsingh.net/books/the-code-book/ the code book]
by [https://en.wikipedia.org/wiki/Simon_Singh Simon Singh]
- /The urge to discover secrets is deeply ingrained in human nature;
even the least curious mind is roused by the promise of sharing knowledge withheld from others.  ~ John Chadwick/
- /Knowledge is power.  ~ Francis Bacon/
- Singh\'s motivation
-- chart evolution of crypto
-- show relevance of crypto
- how does Singh's point of view differ from your typical textbook?
~~~

~~~
{puzzle}
- crack the cipher below
- what methods did you use to crack it ?
- what encryption method was used ?
- in general, how secure is this method ?
- what is the plaintext ?
- how is the plaintext related to this course ?
~~~

~~~
{}{}
jrrg nlqj zhqfhvodv orrnhg rxw
rq wkh ihdvw ri vwhskhq
zkhq wkh vqrz odb urxqg derxw
ghhs dqg fulvs dqg hyhq
~~~