CryptoCAN is an encryption scheme for CAN messaging developed by Canis Labs. It’s designed to fit the publish/subscribe method of communication that CAN was designed for, and has a simple job: take a plaintext CAN frame, convert it into two ciphertext frames for broadcast on CAN, and at receivers, push these frames through a decoder to get back to the plaintext frame. The ciphertext frames contain not just details of the original frame (payload, DLC) but also a message authentication code (...
