Crypto 101 is an introductory course on cryptography, freely available for programmers of all ages and skill levels.
Learn how to exploit common cryptographic flaws, armed with nothing but a little time and your favorite programming language.
Forge administrator cookies, recover passwords, and even backdoor your own random number generator.
This open book is licensed under a Creative Commons License (CC BY-NC). You can download Crypto 101 ebook for free in PDF format (16.1 MB).
Table of Contents
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Message authentication codes
Key derivation functions
Random number generators
SSL and TLS
OpenPGP and GPG
Off-The-Record Messaging (OTR)
Everyone needs a little cryptology.
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