1. Apply the DES (Data Encryption Standard) algorithm to find the cipher text for the 64 bit data block M using the 64 bit key K . The cipher text must be in hexadecimal form.

Note: *Use 40 X 25 grid per page. You can merge cells wherever necessary.

*Use the DES tables handout to solve this assignment. A copy of the handout is posted in the following images

CSCE 201 Homework-3 due on November 7 2017 @ 2:50pm on Dropbox only Accepted File format for submission: Word document (.doc/ .docx) 1. Apply the DES (Data Encryption Standard) algorithm to find the cipher text for the 64 bit data block M using the 64 bit key K. The cipher text must be in hexadecimal form. Key, K: *Index 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 0 0 1 0 011 10 0 0 1 011 1 00 01 0 0 1 0 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 0 1 1 0 1 1 0 0 0 10 01 1 Data, M: *Index 12 3 4 5 6 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 1 1 0 0 01 01 0 1 1 0 0 0 0 1 1 1 0 1 0 11 *Data 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 0 1 0 1 0 1 0 0 0 1 1 1 0 0 1 1 00 01 11 0 1 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 10 1 1 0 1 0 1 0 1 1 1 0 0 0 0 Show all intermedia te steps used to form the cipher text: . C1,D 16 subkeys K1 K16 C16, D16 Data halves L0, R0 L 16, R 16 S1(B1)S&(B8) intermediate results of all XOR operations