User Account

All Pages

Describe the algorithm for decryption using Caesar cipher

Assignment Help Basic Computer Science
Reference no: EM133478319

Question

1. Use the Caesar cipher (alphebet = 'abcdefghijklmnopqrstuvwxyz') to encrypt the plain-text 'secretmessage' with key = 7.

2. How many distinct keys are there for a Caesar cipher with the given alphabet?

3. Describe the algorithm for decryption using the Caesar cipher. Do step by step from cipher text and encryption key to plaintext.

4. Use the Vigenere cipher with a key of 21,3,5,7 to encrypt your first name.(STEVE)

5. How many distinct keys of length 4 are there for the vigenere cipher (alphabet = 'abcdefghijklmnopqrstuvwxyz')?

6. Suppose Eve is trying to attack the keys for a vigenere cipher. She has a ciphertext with 5 letters. She does not know the key length. What is the maximal number of keys she will have to try before she gets the right one.

Reference no: EM133478319

Questions Cloud

Compare one major difference between each of the products : Compare one major difference between each of the products as it pertains to this article (i.e.: online resources, online training, tutorials, etc.).
What are the attributes of a successful project manager : Discuss the different techniques for project management and the most important characteristics that define a good project manager.
Secret key cryptography cannot assure non-reputation : Explain why secret key cryptography cannot assure non-reputation? What is the block size used currently in AES?
Perform an ethical analysis on the case : Perform an ethical analysis on this case. Analyze it from the perspective of Google and assess their decision.
Describe the algorithm for decryption using Caesar cipher : How many distinct keys are there for a Caesar cipher with the given alphabet? Describe the algorithm for decryption using the Caesar cipher.
Identify the social determinants of health in a community : NURS 6218- Analyze the environmental factors affecting population health in a community. Identify the social determinants of health in a community.
Identify and clearly define the relevant law : Identify and clearly define the relevant law, either defining a legal doctrine, provisions of law, or elements of a specific cause of action
Concepts of cybersecurity : You have learned many concepts of cybersecurity and begun forging your path into the field.
Which is located in the details and information pane : Analyze the relationship between effective Human Resources strategies and organizational outcomes. which is located in the Details & Information pane.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Identifies the cost of computer

identifies the cost of computer components to configure a computer system (including all peripheral devices where needed) for use in one of the following four situations:

  Input devices

Compare how the gestures data is generated and represented for interpretation in each of the following input devices. In your comparison, consider the data formats (radio waves, electrical signal, sound, etc.), device drivers, operating systems suppo..

  Cores on computer systems

Assignment : Cores on Computer Systems:  Differentiate between multiprocessor systems and many-core systems in terms of power efficiency, cost benefit analysis, instructions processing efficiency, and packaging form factors.

  Prepare an annual budget in an excel spreadsheet

Prepare working solutions in Excel that will manage the annual budget

  Write a research paper in relation to a software design

Research paper in relation to a Software Design related topic

  Describe the forest, domain, ou, and trust configuration

Describe the forest, domain, OU, and trust configuration for Bluesky. Include a chart or diagram of the current configuration. Currently Bluesky has a single domain and default OU structure.

  Construct a truth table for the boolean expression

Construct a truth table for the Boolean expressions ABC + A'B'C' ABC + AB'C' + A'B'C' A(BC' + B'C)

  Evaluate the cost of materials

Evaluate the cost of materials

  The marie simulator

Depending on how comfortable you are with using the MARIE simulator after reading

  What is the main advantage of using master pages

What is the main advantage of using master pages. Explain the purpose and advantage of using styles.

  Describe the three fundamental models of distributed systems

Explain the two approaches to packet delivery by the network layer in Distributed Systems. Describe the three fundamental models of Distributed Systems

  Distinguish between caching and buffering

Distinguish between caching and buffering The failure model defines the ways in which failure may occur in order to provide an understanding of the effects of failure. Give one type of failure with a brief description of the failure

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd