/Introduction to Cryptography

Provided by: Coventry University

Course Area: All areas

Course Code: FutureLearn

Course Type: Short Course

Start date: 20210118

End date: 20210131

Subjects: Cryptography, Cyber Security

Price: Free

Delivery Method: Online

Course Overview

Investigate the security of encrypted data


Is it possible to prove the security of encrypted data? Will every algorithm fail given sufficient time or computing power?


On this course you will get an introduction to cryptography and crypt-analysis. From ancient examples of secret messages and the spies that cracked them to modern cryptographic applications, you will have the opportunity to explore the foundations of data security. During the course you will also get an opportunity to try encrypting data yourself by completing a cryptography and crypt-analysis challenge.


This course is part of the program Cryptography, which is one of the building blocks that leads to a degree in MSc Cyber Security

Who Is This Course For

The Institute of Coding supported the development of this course in response to consultation with industry representatives from the healthcare, manufacturing and automotive sectors.


This course is for people who want to understand more about the way cryptography keeps our communications safe, either out of curiosity or to prepare for advanced study of the topic

What Will I Learn

By the end of the course, you’ll be able to:

  • Explain the concepts used in early substitution and translation ciphers
  • Apply cryptanalysis methods to simple ciphers
  • Assess simple cryptographic methods from a practical and theoretical viewpoint
  • Describe the concepts of entropy, pseudorandomness and unicity
  • Demonstrate the use of hashing, salt and nonces in a variety of applications
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