I had a great time doing these challenges, learnt a lot that I had forgotten about working with bytes and a raft of stuff I never knew about cryptography. The

I had a great time doing these challenges, learnt a lot that I had forgotten about working with bytes and a raft of stuff I never knew about cryptography. The only problem with a new huge set is I have a day job and a wife and kids, so I guess I will be working through these on the train and very late at night