DES and AES both expand their keys into a schedule of multiple keys, which are integrated into the plaintext over multiple rounds and XOR operations. True False Question 9 1 pts Because hashing algorithms are one-way, they are all safe to use and can be used interchangeably in any situation. True False Question 10 1 pts If X>y, then xCy will always be greater than or equal to xPy. True False