Problem 5

20 v 21 28 Problem 5 Consider the DES algorithm instantiated with they key k-"hamburgr". (This is 64 bits in ASCII. DES will automatically discard every 8th bit to arrive at a 56 bit key). In the resulting key schedule, what are C5 and D5? Hint: Modify the des56.c code to make it show you this value 29 30 31