There are quite a few movies with crypto content. I made a list of 16
For the Crypto lecture in Math E 320,
here is an other cut of the Enigma movie. It shows how the machine is used.
Despite the fact that the movie is not very historical, it is the most entertaining and
uplifting. Also the acting is, especially of Kate Winslet is great.
The actual story about Turing is a bit more depressive.