Nonfiction » Social Science » Political science » Intelligence & espionage

Street Cryptography
By Christopher Forrest
Price: $0.99 USD. Words: 8,060. Language: American English. Published: July 7, 2012. Category: Nonfiction » Computers and Internet » Security / cryptography
(4.00 from 1 review)
A quick and easy to use guide on creating your own cipher. This book covers several historic ciphers and builds concepts that will allow you to make one that is reasonably secure.