Just don't use them (or any linear function, for that matter) for cryptography: https://en.wikipedia.org/wiki/Content_Scramble_System#The_cipher https://en.wik

Just don't use them (or any linear function, for that matter) for cryptography: https://en.wikipedia.org/wiki/Content_Scramble_System#The_cipher https://en.wikipedia.org/wiki/Content_Scramble_System#The_ci...