7. Caesar cipher is the earliest known substitution cipher. Please answer the following questions. (a) Encrypt the following message "SECURITY" by translating the letters into numbers, applying the encryption function given, and then translating the numbers back into letters ABCDEFGHIJK L M N O P O R S IU V W XYL 01234 56 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 f(p) = (p+4) mod 26

7. Caesar cipher is the earliest known substitution cipher. Please answer the following questions. (a) Encrypt the following message "SECURITY" by translating the letters into numbers, applying the encryption function given, and then translating the numbers back into letters ABCDEFGHIJK L M N O P O R S IU V W XYL 01234 56 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 f(p) = (p+4) mod 26

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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