Cryptography is an essential part of secure but accessible communication that's critical for our everyday life and organisations use it to protect their privacy and keep their conversations and data confidential. This course provides a comprehensive introduction to the fascinating world of cryptography, covering both historical cyphers and modern-day cryptographic techniques.
In this course, you will explore the foundations of encryption, decryption, and cryptographic protocols. Through a combination of theoretical concepts, practical examples, and hands-on exercises, you will gain a solid understanding of the principles and applications of cryptography.
Join this fascinating course to explore the world of cryptography and learn how secrets have been kept in the past and the modern world.
This course is one of many, offered by Click Start, a UK training programme designed to help young people develop digital skills. Click Start offers a limited number of scholarships giving free access to young people in the UK. Check the FAQs to see more detail and follow the link to check if you are eligible for free access today.
Welcome to the first week of the course! We will start the week with an exploration of what cryptography is and what it is used for and then move on to look at some cryptographic techniques, via some ancient cryptography. Although these ancient cryptographic techniques are not very useful in modern life, they are good at demonstrating some of the concepts that are still used in modern day cryptography. Week 1 lays the foundation for Week 2, when we will turn our attention to modern cryptography.
Inclus
2 vidéos15 lectures1 devoir4 sujets de discussion
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2 vidéos•Total 9 minutes
The course and its creator•2 minutes
Solutions: Simple ciphers exercise•7 minutes
15 lectures•Total 165 minutes
Welcome to An Introduction to Cryptography•10 minutes
Lesson 1: Overview•5 minutes
An introduction to simple cryptography•10 minutes
The three roles of cryptography•10 minutes
Lesson 1: Summary and next steps•5 minutes
Lesson 2: Overview•10 minutes
What is a 'simple cipher'?•15 minutes
Your turn: Try out a simple cipher•10 minutes
Simple ciphers: Substitution ciphers•10 minutes
Simple ciphers: Transposition ciphers•10 minutes
Simple ciphers: Permutation ciphers•10 minutes
Simple ciphers: Polygraphic ciphers•15 minutes
Your turn: Simple ciphers exercise•30 minutes
Vulnerabilities of simple ciphers•10 minutes
Lesson 2: Summary and next steps•5 minutes
1 devoir•Total 10 minutes
Check your understanding: Simple ciphers•10 minutes
4 sujets de discussion•Total 40 minutes
What are you looking forward to?•10 minutes
Researching ciphers•10 minutes
What type of cipher did you find?•10 minutes
End of Week 1: Reflections•10 minutes
Week 2: Modern cryptography
Module 2•5 heures à terminer
Détails du module
Welcome to Week 2. In this week you will bring your knowledge about cryptography up to date in the modern day. This is where we start to look at more complex methods for more complex contemporary requirements. To start off, you will be introduced to a concept called 'public key cryptography' which is extensively used on the internet. You will then learn about hash functions and how some cryptographic techniques can be used to produce a digital signature.
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1 vidéo18 lectures3 devoirs2 sujets de discussion
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1 vidéo•Total 1 minute
Course summary•1 minute
18 lectures•Total 174 minutes
Lesson 3: Overview•5 minutes
What do we use cryptography for now?•5 minutes
Modern day cryptography•15 minutes
Rivest–Shamir–Adleman (RSA) encryption•20 minutes
Part 1: RSA - Key generation•10 minutes
Part 2: RSA - Encryption•10 minutes
Part 3: RSA - Decryption•10 minutes
Lesson 3: Summary and next steps•10 minutes
Lesson 4: Overview•5 minutes
Modern cryptography: End-to-end encryption•10 minutes
Hash functions•20 minutes
Optional exercise: Hash functions•10 minutes
Digital signatures•10 minutes
Lesson 4: Summary and next steps•10 minutes
Overview•2 minutes
Artificial Intelligence: What is its impact on Cryptography?•10 minutes
Summary•2 minutes
Further exploration•10 minutes
3 devoirs•Total 65 minutes
Test your learning and get your certificate•20 minutes
RSA encryption/decryption•15 minutes
Check your understanding: Modern cryptography•30 minutes
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This course is part of Click Start, a UK training programme designed to help young people develop digital skills. Click Start is offering a limited number of scholarships giving free access to young people in the UK.
When will I have access to the lectures and assignments?
To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
What will I get if I purchase the Certificate?
When you purchase a Certificate you get access to all course materials, including graded assignments. Upon completing the course, your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile.
Is financial aid available?
Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.