Similar to Problem 3.4 in the textbook( C. Paar and J. Pelzl, Understanding Cryptography, Springer, 2009. ISBN 978-3-642-04100-6.): What is the output of the a round of the DES f-function when the 48-bit output of the expansion function and the 48-bit round key are both all ones? Write first (in binary) the outputs of the S-boxes: S1(0)= S2(0)= S3(0)= S4(0)= S5(0)= S6(0)= S7(0)= S8(0)= Next, write (in Hexadecimal) the output of the P permutation withing the f-function: ( )