. As stated in Sect. 3.5.2, one important property which makes DES secure is that the S-boxes are nonlinear. In this problem we verify this property by computing the output of S1 for several pairs of inputs. Show that S1(x1)⊕S1(x2) = S1(x1 ⊕x2), where “⊕” denotes bitwise XOR, for: 1. x1 = 000000, x2 = 000001 I KNOW THAT THE ANSWER IS 11102⊕00002≠S1(0000012) 11102≠00002 CAN SOMEONE EXPLAIN HOW DO WE GET THIS NUMBERS? Ty!
. As stated in Sect. 3.5.2, one important property which makes DES secure is that the S-boxes are nonlinear. In this problem we verify this property by computing the output of S1 for several pairs of inputs. Show that S1(x1)⊕S1(x2) = S1(x1 ⊕x2), where “⊕” denotes bitwise XOR, for: 1. x1 = 000000, x2 = 000001 I KNOW THAT THE ANSWER IS 11102⊕00002≠S1(0000012) 11102≠00002 CAN SOMEONE EXPLAIN HOW DO WE GET THIS NUMBERS? Ty!
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
. As stated in Sect. 3.5.2, one important property which makes DES secure is that
the S-boxes are nonlinear. In this problem we verify this property by computing the
output of S1 for several pairs of inputs.
Show that S1(x1)⊕S1(x2) = S1(x1 ⊕x2), where “⊕” denotes bitwise XOR, for:
1. x1 = 000000, x2 = 000001
I KNOW THAT THE ANSWER IS
11102⊕00002≠S1(0000012)
11102≠00002
CAN SOMEONE EXPLAIN HOW DO WE GET THIS NUMBERS?
Ty!
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