I took a graduate-level cryptography class years ago. The material was advanced for me, so I had to do serious catch-up on the maths that underlie the basics. T

I took a graduate-level cryptography class years ago. The material was advanced for me, so I had to do serious catch-up on the maths that underlie the basics. The main concepts too, to be honest. I looked at many resources online but the Khan Academy course in Cryptography by far was the most helpful: https://www.khanacademy.org/computing/computer-science/cryptography https://www.khanacademy.org/computing/computer-science/crypt...