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Click Start by the University of Leeds - An Introduction to Cryptography

Delve into the inner workings of cryptographic tools and techniques with the University of Leeds. This course is free for 3 weeks. You can also buy the course for £39 and you’ll receive a certificate if eligible.

"Great overview and introduction to cryptography, in an easy to understand manner" - Matt
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This course is brought to you by:

Future Learn logo
Free to eligible students
Short Course
Provider:
University of Leeds
Course length:
6-8 hours per course
Delivery method:
Online
Price:
Free to eligible students
Subjects: Cryptography, Digital Skills
Age range: Open to all ages

Master Cryptography for Data Security

This flexible two-week course from the University of Leeds explores cryptography’s role in protecting sensitive information. This course is free for 3 weeks. You can also buy the course for £39 and you’ll receive a certificate if eligible.

Learn Encryption and Decryption
Understand the fundamentals of cryptography, from historical ciphers to modern encryption techniques.

Explore Modern Cryptographic Methods
Discover RSA, hash functions, and digital signatures to ensure data integrity and secure online communication.

Understand End-to-End Encryption
Learn how E2EE safeguards data transmission and enhances cybersecurity in the digital world.

Click Start was developed by the Institute of Coding (IoC) – a national collaboration of universities, charities, and employers – and initially funded by Nominet, the public benefit company and guardian of the .UK web domain, which works with charities and organisations that seek to improve lives through technology. This funding supported this course between 2023 and 31st September 2025.

The programme was originally created with the aim to help tackle the UK’s digital skills gap and social mobility by offering accessible skills and training opportunities. Between 2023 and 2026, Click Start provided training to over 180,000 learners globally, including over 35,000 young people aged 18–35 in the UK who may not have previously had access to such opportunities.

The Click Start by University of Leeds programme covers digital skills, as well as personal and professional development, designed to help you apply for a new job or access new opportunities with better pay.

This course takes 6-8 hours to complete, and you can learn at your own pace, on your own schedule, from the comfort of your home. All learning is self-guided, so you might do the course in less time!

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What will I learn?

Course Introduction

Understand the world of cryptography, where secret codes and encrypted messages secure our digital communications and transactions. Explore simple and modern ciphers, understanding their importance in today’s technology.

Simple cryptography

Explore the fundamentals of cryptography and its significant role in modern life. Learn about ancient Greek and Roman ciphers, and practice encrypting and decrypting messages using these historical techniques.

Simple ciphers

Explore historic ciphers and their relevance in modern cryptography. Learn about different types of simple ciphers and practice applying them to encrypt and decrypt messages.

An introduction to modern cryptography

Learn modern cryptography techniques, focusing on private and public key cryptography. Explore the concepts and differences between these two cryptographic methods, which are essential for securing communication on the Internet.

Uses of modern cryptography

Explore modern cryptographic techniques used in everyday life. Learn about end-to-end encryption and digital signatures, and their roles in securing communications and verifying message authenticity.

Visit this course

FAQS

Anyone can do this programme. However, Click Start is designed to support under-represented groups. The aim is to give you the digital skills you need to find new opportunities. Or get better pay. Or simply do what you want to do in life.

To start this ‘Introduction to Cryptography’ course now simply click here to join

All you need is an open mind. You don’t need experience. You don’t need to have been to university. All you need is curiosity and be ready to learn new things. Maybe you want a new direction? Maybe you want to upskill? Maybe you want a raise or promotion in your current role? Click Start gives you the head start you need.

This course is free for 3 weeks. You can also buy the course for £39 and you’ll receive a certificate if eligible.

This course is run by the University of Leeds, and the courses are hosted on the Future Learn platform. The Click Start programme was developed by the Institute of Coding and is funded by Nominet.

Free to eligible students
Short Course
Provider:
University of Leeds
Course length:
6-8 hours per course
Delivery method:
Online
Price:
Free to eligible students
Subjects: Cryptography, Digital Skills
Age range: Open to all ages