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Affine cipher is less secure than caesar cipher. 1. true 2. false

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

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Affine cipher is less secure than caesar cipher.

1. true 2. false

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Encrypt this Rail Fence/Caesar Cipher. Imagine that the plaintext has already went through 1 round of encryption. MKBOCI IZX DKDY YQCZBSSK MZIR Hint: This a split key - one part of the key is used for the Caesar and the other part of the key is used for the Rail Fence. The full key (Caesar and Rail Fence], in hexidecimal, is: OXAB. Encrypted message: The Caesar key, in decimal, is: The Rail Fence key, in decimal, is : Is the Caesar key a good random number? . Why? Why not?
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In cryptography, the Caesar cipher is a type of scroll cipher and is one of the simplest and best-known ciphers. When encrypting a message in the Caesar cipher, each letter is usually replaced by the letter three letters in the alphabet. Let the alphabetic scrollback look like this: aw w ww ww m ww w ww w vwwwwwww www ww wwm w w wwwm www ww defg hijkI mnop 9rstuvwxy z abc a bcd efghilj kI P9rstu v w xy z m Keep the encryption in the Python dictionary structure. www ww Write a Python program that takes the three-letter message as input and prints the encrypted message. Guidance: An empty string can be inserted one by one by replacing the letters of the input. wwwwwwwwwww www wn ww wn ww w www wwh m Entry: Message: kar Encrypted message: hxo Entry: Message: yel Encrypted message: vbi Entry: Message: ses Encrypted message: pbp Entry: Message: mtk Encrypted message: jqh
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