The following figure is an example of a=a+b+c+(2d)b=a+(253b)+(2c)+dc=(253a)+(2b)+c+dd=(2a)+b+(253c)+d Add round key Feistel Schemes Substitution Permutation Question 50 (1 point) AES manipulates/works on bytes level not bits True False Question 51 (1 point) Given a Block size of 8 bytes, and the input block is 7 bytes, the padding value to be added to the block before encrypted is 007 006 0x01 004