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Learner Reviews & Feedback for Cryptography I by Stanford University

4,247 ratings

About the Course

Cryptography is an indispensable tool for protecting information in computer systems. In this course you will learn the inner workings of cryptographic systems and how to correctly use them in real-world applications. The course begins with a detailed discussion of how two parties who have a shared secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems. The second half of the course discusses public-key techniques that let two parties generate a shared secret key. Throughout the course participants will be exposed to many exciting open problems in the field and work on fun (optional) programming projects. In a second course (Crypto II) we will cover more advanced cryptographic tasks such as zero-knowledge, privacy mechanisms, and other forms of encryption....

Top reviews


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Great intro to a complex topic.

It could be improved by having the programming assignments be:

+ Mandatory

+ More related to actual cryptographic algorithms/libraries (only some are)


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Really interesting, provides the basic grounds for understanding a lot of discussions out there. Wikipedia can be useful as a reference, but here I was able to learn about semantic security etc.

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451 - 475 of 877 Reviews for Cryptography I

By Amoghavarsha R

Feb 11, 2019

Great course! Waiting for Cryptography II ! Thanks very much!

By Per Å

Nov 20, 2016

Great lectures to give a basic understanding of cryptography!

By Diksha

Apr 12, 2016

The course is super-awesome. I am excited for next weeks....

By Andreas E C

Jun 25, 2020

Great course with many good lectures and great assignments!

By Jing X

May 26, 2020

This course is very helpful for beginners in cryptography!

By Lawrence R

Mar 11, 2018

Great course! A lot of information covered at a good pace.

By רועי ס

Mar 7, 2018

Dan is a great teacher (and a great cryptographer). Thanks

By Gerson Y M I

Mar 5, 2018

El curso de criptografía más completo que podrán encontrar

By Aman B

Jul 7, 2017

A great course and a good start for learning cryptography.

By Vladislav S

Apr 9, 2017

Thanks to Dan for the excellent course, really enjoyed it!

By Vinicius O

Jul 24, 2016

Hard but very fun, cool and the teacher teaches very well!

By Maxim K

Apr 30, 2016

Excellent and very practical course. Thank you, Dan Boneh.

By Alexis C

May 30, 2020

Great course! Lots of information well organised. Thanks!

By Jeffrey G

Feb 5, 2020

Fantastic. The only online crypto course I can recommend.

By Carlos B

Apr 8, 2018

Excellent course, I'm looking forward to part II. Thanks!

By Sebastien M

Jun 12, 2021

Exciting class, interesting material and great teacher.

By Gokul M

Oct 14, 2019

Wonderful Course!! Got to learn a lot about the subject!

By kevin

Dec 16, 2017

it's useful for the new-person to learn the cryptography

By Jakub K

Mar 13, 2017

A fantastic overview of the subject. Highly recommended!

By Fakiha K

Apr 13, 2019

very informative and useful to learn about cryptography

By Ravi K

Jul 21, 2018

Probably the best Cryptography course available online.

By Shai R

Jan 19, 2018

Not a simple course but never the less I learned a lot!

By Vinh H T

Jul 2, 2017

This course help me more understand about Cryptography.

By 翁紫曦

Mar 11, 2016

Great class which inspired me with enormous excitements

By Vereese v T

Jul 23, 2020

Intellectually stimulating course! I had a lot of fun.