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Learner Reviews & Feedback for Classical Cryptosystems and Core Concepts by University of Colorado System

332 ratings
76 reviews

About the Course

Welcome to Introduction to Applied Cryptography. Cryptography is an essential component of cybersecurity. The need to protect sensitive information and ensure the integrity of industrial control processes has placed a premium on cybersecurity skills in today’s information technology market. Demand for cybersecurity jobs is expected to rise 6 million globally by 2019, with a projected shortfall of 1.5 million, according to Symantec, the world’s largest security software vendor. According to Forbes, the cybersecurity market is expected to grow from $75 billion in 2015 to $170 billion by 2020. In this specialization, you will learn basic security issues in computer communications, classical cryptographic algorithms, symmetric-key cryptography, public-key cryptography, authentication, and digital signatures. These topics should prove especially useful to you if you are new to cybersecurity Course 1, Classical Cryptosystems, introduces you to basic concepts and terminology related to cryptography and cryptanalysis. It is recommended that you have a basic knowledge of computer science and basic math skills such as algebra and probability....

Top reviews

Aug 12, 2020

Interesting course on an Interesting topic taken in a pleasant, enjoyable, and simple manner.\n\nNever did I feel bored or out of my depth even though I am a stranger to the topic.

Nov 6, 2017

The lectures were educational, and interesting without speaking down to you. I learned a lot without being overwhelmed

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26 - 50 of 74 Reviews for Classical Cryptosystems and Core Concepts

By Varun V N

Mar 4, 2020

This instructor in amazing. This is GREAT content.

By John O

Jul 18, 2018

Excellent lectures. Very thoughtful and complete.

By Tasnim D

Aug 6, 2020

A Very Nice Intro to World of Cryptography

By Amit C

Jan 2, 2020

great course with intro to basic concepts


May 14, 2020

excellent explaination by the instructor

By Christian J M J

Dec 30, 2018

Amazing, The professor explain very well

By Andrii K

May 26, 2020

Very informative and interesting

By Adarsh T

Oct 9, 2020

Nice experience of learning!!

By Marcelo E

Dec 25, 2017

Excellent introductory course

By Holger W

Jul 29, 2020

Excellent introduction!

By Benjamin V J

Jul 8, 2020

Amazingly Exceptional

By Kunal B

Feb 28, 2019

excellent course

By Benedict J W

May 21, 2019

A great course!

By mansi g

Jul 3, 2018

it is nice

By Doss D

May 31, 2020

Than u

By Abir k

Nov 29, 2020


By Wenen Y

Oct 29, 2020


By Kantipudi b v p

May 10, 2020


By C-27-Nidhi O L

Nov 3, 2020


By Renate K

Jan 9, 2020

Really good start into the world of cryptography! However at times (especially at the hashing part) it gets really complex and you'll need to listen and read it multiple times, and find some simplified examples outside of the course to really understand what happening.

By Vikash k

Aug 11, 2018

It is a good course. I got few information about hash attack which I didn't know before. Only thing which I wish to have more is a little more hands on and also detailed example about Vigenere cipher

By Paolo C

Jan 28, 2021

Introductional but very nice. Grading can maybe be bettered. Seems somehow to investigate if you have "followed" than if you have "understood" but not easy to do much better for an online course.

By Danial S

Apr 17, 2020

Great course!

But please add the translation into Russian. It is very difficult to understand technical English from a topic of cryptography that is unfamiliar to me, as a beginner.

By Venkata D S

Jun 19, 2020

I was expecting more of the mathematics behind Cryptography. Even though this course didn't provide that, it was good. A good introduction to the field of cryptography.

By Sanjay M

Oct 21, 2018

Would have absorbed the course material more concretely if the instructor had slowed down on the pace at which concepts were being disseminated.