Message headers have a tendency to want to mutate so it makes the problem more complicated to solve for but decrypting chunks in the right order is a good examp

Message headers have a tendency to want to mutate so it makes the problem more complicated to solve for but decrypting chunks in the right order is a good example to grasp because it’s referring to essential metadata that needs to stay open so readers of the data know what to do with it. AD is bound to the cipher text.