Coursera/Stanford have a crypto course going on right now. It's already well under way but you can watch all the videos and (I believe) still do the quizzes and

Coursera/Stanford have a crypto course going on right now. It's already well under way but you can watch all the videos and (I believe) still do the quizzes and just pass on the certificate. https://www.coursera.org/course/crypto https://www.coursera.org/course/crypto