Don't mean to be a shill for Coursera, but if you enjoyed this article you might like Coursera's crypto class: https://www.coursera.org/course/crypto https://ww

Don't mean to be a shill for Coursera, but if you enjoyed this article you might like Coursera's crypto class: https://www.coursera.org/course/crypto https://www.coursera.org/course/crypto I found it really challenging in some places, but also quite fun. Udacity also has a crypto course: http://www.udacity.com/overview/Course/cs387/CourseRev/apr2012 http://www.udacity.com/overview/Course/cs387/CourseRev/apr20... I haven't tried it yet, but it looks a bit more in-depth in some places than the Coursera course.