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Introduction to Encryption and Cryptography

Learn how encryption keeps information safe, and teach your students how it's used in the world today. Supported by Google.

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Introduction to Encryption and Cryptography
The CPD Certification Service

This course has been certified by the CPD Certification Service as conforming to continuing professional development principles. Find out more.

Discover the history of encryption and learn how it's used in the modern world

On this course, you will learn about what encryption is and understand its use in the past by using the Caesar and Vigenère ciphers.

You will also look at the present and future of encryption and investigate both symmetric and asymmetric encryption schemes.

The course includes several practical encryption activities which you can complete and use in your own classroom.

What topics will you cover?

  • A brief look at the history of encryption
  • The encryption and decryption process, and the importance of keys
  • The Caesar and Vigenère Ciphers
  • Symmetric and asymmetric encryption schemes
  • Public key encryption in the real world
  • An introduction to quantum cryptography

Who is this accredited by?

The CPD Certification Service
The CPD Certification Service:

The CPD Certification Service was established in 1996 and is the leading independent CPD accreditation institution operating across industry sectors to complement the CPD policies of professional and academic bodies.

When would you like to start?

Start straight away and learn at your own pace. If the course hasn’t started yet you’ll see the future date listed below.

  • Available now

Learning on this course

If you'd like to take part while our educators are leading the course, they'll be joining the discussions, in the comments, between these dates:

  • 6 Sep 2021 - 26 Sep 2021

On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.

What will you achieve?

By the end of the course, you‘ll be able to...

  • Describe the general process of encryption and decryption
  • Apply a Caesar Cipher and a Vigenère Cipher
  • Discuss the advantages and disadvantages of different encryption algorithms
  • Compare symmetric and asymmetric encryption
  • Demonstrate methods of breaking simple encryption schemes
  • Describe how encryption is used in the modern world, and some of the possible ethical implications of this

Who is the course for?

This course is designed for teachers delivering computer science lessons in the classroom, at GCSE level or equivalent.

What software or tools do you need?

There are several optional steps involving using Python to implement some forms of encryption. To complete these you will need a Python IDE, either on your computer, or an online one like Trinket

What do people say about this course?

Very interesting and very helpful in giving me ideas for teaching.

"This has been (a) very interesting, and (b) very helpful in giving me ideas for how I could improve my own teaching in this area, and my school's current scheme of work for this topic."

Who will you learn with?

Who developed the course?

Raspberry Pi Foundation

The Raspberry Pi Foundation works to put the power of digital making into the hands of people all over the world, so they are capable of understanding and shaping our increasingly digital world.

National Centre for Computing Education

National Centre for Computing Education courses

Supporters

supported by

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