When searching "DES keyspace" to learn about it, I came across this link, which may be relevant to your interests: http://people.ece.cornell.edu/land/courses/e

When searching "DES keyspace" to learn about it, I came across this link, which may be relevant to your interests: http://people.ece.cornell.edu/land/courses/ece5760/FinalProjects/f2008/tt236/tt236/index.html http://people.ece.cornell.edu/land/courses/ece5760/FinalProj... Someone created a small hardware device to brute-force DES. There's lots of good info about LM and NTLM encryption.