Correct and detailed answer will be Upvoted else downvoted. Thank you! Let W be a 64-bit secret key, and k a 56-bit key. Assume that Ex and Dr stands for DES encryption withkey k and DES decryption with key k respectively. Define a new encryption as follows:C = W©E«(P)Work out the decryption algorithm (formula)

Lets assume that the new decryption function be ND(W,k,C,D_k) for the given new encryption function,…

Let W be a 64-bit secret key, and ka 56-bit key, Assume that Ex and Dx stands for DES encryption with key k and DES decryption with key k respectively. Define a new encryption as follows: C = W®E%(P) %3D Work out the decryption algorithm (formula)

Let W be a 64-bit secret key, and ka 56-bit key, Assume that Ex and Dx stands for DES encryption with key k and DES decryption with key k respectively. Define a new encryption as follows: C = W®E%(P) %3D Work out the decryption algorithm (formula)

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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Correct and detailed answer will be Upvoted else downvoted. Thank you!

Let W be a 64-bit secret key, and k a 56-bit key. Assume that Ex and Dr stands for DES encryption with
key k and DES decryption with key k respectively. Define a new encryption as follows:
C = W©E«(P)
Work out the decryption algorithm (formula)

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