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(a) the private key; (b) the encrypted ciphertext for 15; (c) the decrypted original message for ciphertext 5

(a) the private key; (b) the encrypted ciphertext for 15; (c) the decrypted original message for ciphertext 5

Database System Concepts
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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1. 2. 3. Based on the public key (11, 65), find the following with all the detailed steps shown clearly: (a) the private key; (b) the encrypted ciphertext for 15; (c) the decrypted original message for ciphertext 5 How many even 4-digit numbers greater than 3000 can be formed from the digits 2, 6, 7, 8, 9 if no digit can be used more than once? Find the inverse s of -1959 modulo 979 such that 0 ≤s<979. You must show all the detailed steps.
Transcribed Image Text:1. 2. 3. Based on the public key (11, 65), find the following with all the detailed steps shown clearly: (a) the private key; (b) the encrypted ciphertext for 15; (c) the decrypted original message for ciphertext 5 How many even 4-digit numbers greater than 3000 can be formed from the digits 2, 6, 7, 8, 9 if no digit can be used more than once? Find the inverse s of -1959 modulo 979 such that 0 ≤s<979. You must show all the detailed steps.
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