andrewl.us Shmoocon 2010 Crypto Challenge Pack

Shmoocon 2010 Crypto Challenge Pack
Author: andrewl.us
Protection: GF-arithmetics, RSA, Modular-arithmetics and equation system over GF(2)

The 4th one is really tricky and can be solved in atleast two ways. See andrewl.us explanations posted after solution was posted on crackmes.de: http://rcejunk.blogspot.com/2010/08/shmoocon-2010-crypto-pack-solved.html

Generally: a really good package of different level crackmes and variations!

You can download my solution here