This course is part of the Applied Cryptography Specialization

4.5
stars
400 ratings

Sang-Yoon Chang

17,800 already enrolled

Offered By

Applied Cryptography SpecializationUniversity of Colorado System

About this Course

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Welcome to Cryptography and Information Theory! 
This course combines cryptography (the techniques for protecting information from unauthorized access) and information theory (the study of information coding and transfer). More specifically, the course studies cryptography from the information-theoretical perspectives and discuss the concepts such as entropy and the attacker knowledge capabilities, e.g., Kerckhoff's Principle. It also contrasts information-theoretic security and computational security to highlight the different train of thoughts that drive the cryptographic algorithmic construction and the security analyses.

This course is a part of the Applied Cryptography specialization.

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Course 1 of 4 in the

Applied Cryptography Specialization

Intermediate Level

Approx. 7 hours to complete

English

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Flexible deadlines

Reset deadlines in accordance to your schedule.

Shareable Certificate

Earn a Certificate upon completion

100% online

Start instantly and learn at your own schedule.

Coursera Labs

Includes hands on learning projects.

Learn more about Coursera Labs

Course 1 of 4 in the

Applied Cryptography Specialization

Intermediate Level

Approx. 7 hours to complete

English

Could your company benefit from training employees on in-demand skills?

Try Coursera for Business

Instructor

Instructor rating

4.82/5 (62 Ratings)

Sang-Yoon Chang

Offered by

University of Colorado System

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Syllabus - What you will learn from this course

Week1

Week 1

2 hours to complete

Cryptography Overview

2 hours to complete

8 videos (Total 19 min), 1 reading, 2 quizzes

Week2

Week 2

2 hours to complete

Information Entropy

2 hours to complete

6 videos (Total 44 min), 1 reading, 2 quizzes

Week3

Week 3

1 hour to complete

Brute-Force Attack and Cryptanalysis

This module studies the attacker view whose objective is to learn the key and break the cryptographic protection using the key. First, we will define brute force attack and describe how to quantify the attacker effort for brute force attack. Next, we will contrast cryptanalysis and brute force attack. Lastly, we will discuss about perfect secrecy, which is immune to cryptanalysis and is a strong notion of security derived from information theory.

1 hour to complete

4 videos (Total 13 min), 1 reading, 1 quiz

Week4

Week 4

2 hours to complete

Computational Security and Side-Channel Attack

2 hours to complete

3 videos (Total 12 min), 2 readings

Reviews

4.5

76 reviews

5 stars
64%
4 stars
24%
3 stars
8%
2 stars
2.75%
1 star
1.25%

TOP REVIEWS FROM CRYPTOGRAPHY AND INFORMATION THEORY

by ESJun 29, 2020

This course requires more information on the topics. Due to less explanation and information on topics it becomes a bit difficult to solve questions. But all in all the course is good

by MJJul 16, 2020

Course is very simple to follow with good questions in the quizes

by AMOct 14, 2021

The course content was very relevant and applicable.

by DANov 13, 2018

The course mainly covers criteria for security. I need more of cryptography in it. Its not completely useful.

View all reviews

About the Applied Cryptography Specialization

This specialization is intended for the learners interested in or already pursuing a career in computer security or other cybersecurity-related fields. Through four courses, the learners will cover the security of information systems, information entropy, classical cryptographic algorithms, symmetric cryptography, asymmetric/public-key cryptography, hash functions, message authentication codes, digital signatures, key management and distribution, and other fundamental cryptographic primitives and protocols.

Frequently Asked Questions

When will I have access to the lectures and assignments?
Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
The course may not offer an audit option. 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 subscribe to this Specialization?
When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.
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.

More questions? Visit the Learner Help Center.

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Cryptography and Information Theory

About this Course