Tools to practice cryptanalysis and cryptography techniques
cryptanalysis, cryptography, encryption, rsa
Solution
The Matasano Crypto Challenges are an excellent learning resource for cryptography.
We've built a collection of 48 exercises that demonstrate attacks on real-world crypto.
This is a different way to learn about crypto than taking a class or reading a book. We give you problems to solve. They're derived from weaknesses in real-world systems and modern cryptographic constructions. We give you enough info to learn about the underlying crypto concepts yourself. When you're finished, you'll not only have learned a good deal about how cryptosystems are built, but you'll also understand how they're attacked.
The first couple of sets may seem a bit too easy for someone acquainted with cryptography, but the challenges quickly get more tricky and advanced.
Problem
I am looking for tools (preferably free) to practice various cryptoanalysis and cryptography techniques. Something along the lines of following two online tools but with more techniques. http://www.cryptool-online.org/index.php?option=com_content&view=article&id=55&Itemid=53&lang=en http://www.simonsingh.net/The_Black_Chamber/letterfrequencies.html Any suggestions would be very welcome. Thanks, Ambi.