Computer Security I - Cryptanalysis Examples - Prof. Poorvi Vora, Assignments of Computer Science

Examples of encrypting and decrypting plaintext using the caesar cipher with given shifts. Students in csci 283 at george washington university can use this document for practice and understanding the concept of caesar cipher encryption and decryption.

Typology: Assignments

Pre 2010

Uploaded on 08/18/2009

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CSCI 283 - Computer Security I - Fall 2003
George Washington University
Cryptanalysis Examples I
A. Encrypt the following plaintext using the Caesar cipher with shift = 5:
AN EYE FOR AN EYE
B. Encrypt the following plaintext using the Caesar cipher with shift = 24
THE CULTURAL REVOLUTION
C. Decrypt the following ciphertexts, encrypted using the Caesar cipher with unknown shift:
1. k yknn oggv aqw vqoqttqy
2. sghr bkzrr hr anqhmf
3. ripwsr qerhipe

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CSCI 283 - Computer Security I - Fall 2003 George Washington University Cryptanalysis Examples I

A. Encrypt the following plaintext using the Caesar cipher with shift = 5: AN EYE FOR AN EYE

B. Encrypt the following plaintext using the Caesar cipher with shift = 24 THE CULTURAL REVOLUTION

C. Decrypt the following ciphertexts, encrypted using the Caesar cipher with unknown shift:

  1. k yknn oggv aqw vqoqttqy
  2. sghr bkzrr hr anqhmf
  3. ripwsr qerhipe