This is a simple cipher to linear S-box: P2 P1 Po +) kz k, ko X2 X1 Xo 3 x 3 S-box Co = Xo O X1 C1 = Xo O C2 = X1 O X2 X2 S-box C2 C1 Co Solve the three unknows k0, k1, k2, we get: k1 = (P1) ☺ (co ® cj ® c2) k2 = (p2) (co ci) (Po) ☺ (c1 ® c2) %3D ko =

This is a simple cipher to linear S-box: P2 P1 Po +) kz k, ko X2 X1 Xo 3 x 3 S-box Co = Xo O X1 C1 = Xo O C2 = X1 O X2 X2 S-box C2 C1 Co Solve the three unknows k0, k1, k2, we get: k1 = (P1) ☺ (co ® cj ® c2) k2 = (p2) (co ci) (Po) ☺ (c1 ® c2) %3D ko =

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

This is a simple cipher to linear S-box:
P2 P1 Po
k2 k, ko
X2 X1 Xo
Co = Xo X1
3 x 3
C1 = Xo O
O x2
S-box
C2 = X1 O X2
S-box
C2 C1 Co
Solve the three unknows k0, k1, k2, we get:
k = (P1) O (co c1 O c2)
k2 = (p2) (co ci)
ko = (Po) ® (c1 c2)
%3D
Critical thinking question 12: what does above
mean?

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