Lecture3-Study - EasternMediterraneanUniversity...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 3- Questions Eastern Mediterranean University School of Computing and  Technology ITEC 443 Cryptography and Network Security
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Review Questions 1.    What is the difference between a  monoalphabetic cipher and a  polyalphabetic cipher? Solution : polyalphabetic substitution cipher  uses a separate monoalphabetic  substitution cipher for each successive  letter of plaintext, depending on a key. Dr. E. Iscioglu                                                   Cryptography and Network  Security 2
Background image of page 2
Review Questions 2.  What are two problems with the one-time  pad? Solution : a.    There is the practical problem of making large  quantities of random keys. Any heavily used system might  require millions of random characters on a regular basis.  Supplying truly random characters in this volume is a  significant task.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Lecture3-Study - EasternMediterraneanUniversity...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online