Вернуться к Криптография I

4.8

звезд

Оценки: 3,071

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Рецензии: 613

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....

Jan 14, 2020

Provides a comprehensive introduction to cryptographic history, current technology, best practices and known attacker techniques. A great deal of material is covered in a relatively compact program.

Dec 16, 2017

This course gives is perfect to start learning cryptography, explanations are detailed, topics carefully selected combining theory with real world examples and making emphasis in important details.

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автор: Yuval G

•Nov 09, 2016

The course is very interesting and very challenging,

As an firmware engineer who never had the chance to learn Crypto. the course gave me a grate introduction to this field.

It is very fascinating to understand the different Crypto. methods and their vulnerabilities, and it made me more aware and gave me the ability to evaluate strength of Crypto. systems that I encounter.

Before every topic there were a detailed overview on the Math theory required to learn it, the explanations followed by real life examples and it feels like the team put a lot of effort to make the lectures comfortable and easy to follow.

The Homework are challenging and very help-hull to understand the learned topics.

автор: Gregory V

•Nov 13, 2017

Outstanding coverage, very fast paced.

I enrolled in this course to gain an understanding of cryptography beyond material designed for the consumption of the non-technical audience. The lectures by Prof. Boheh were very clear and well organized, with emphasis on fundamental definitions. The section on basic number theory was most helpful. While taking the course, I was also learning the Python programming language, so I attempted most of the optional programming assignments in Python. This reinforced the material a great deal. I will recomment this course highly and will definitely enroll in Cryptography II when it becomes available.

Thank you for a great learning experience.

автор: Nastassia M

•Dec 07, 2019

Amazing course! Enjoyed it so much! Many thanks to Professor Dan Boneh.

Although the lectures are quite short they contain a lot of useful information. You might want to watch them more then once!

The quizzes are designed in such a way that you have to understand the material in order to pass them - just memorizing won't be enough. That's a sign of high quality.

Don't skip the practice quizzes - they are challenging, thought-provoking and help you understand the topic much better.

Bear in mind that the course requires certain math background in discrete probability and number theory. You'll find some books recommended to fill in the gaps at the beginning of the course.

автор: Maxim B

•Feb 19, 2020

That was the hardest thing i've ever learned in my whole life, but I'm well satisfied by this course. Thank's to this course I finally understood the way I have to use crypto without risk of being hacked because of simple mistake I made. I also wanna say THANK YOU SO MUCH! to professor Dan Boneh for the best possible explanation of the course's material and THANK YOU SO MUCH! to Coursera for giving me an opportunity to learn this high quality educational material while being in the middle of nowhere. Sometimes there were a tiny problems with sound, but it's not critical. Anyway, it's much better then the education that I could get in my region.

автор: Wolfgang G

•Mar 08, 2018

Very interesting and intense course, covers probably more than twice as much material as some other courses in the same time. The lecturer Dan Boneh is very motivated and very competent. It makes a significant difference listening to someone who is an expert than just reading a book about it. That said, having a textbook in addition to the videos is a great help, as it gives you a different perspective, which helps a lot with understanding. The questions and programming exercises are interesting and challenging (unfortunately I did not have the time to do the coding exercises), though some of the questions could be formulated a bit clearer.

автор: Jens N

•Jul 29, 2017

Very good introduction for someone who wants to understand cryptography at a level deeper than "This is the Crypto API". After the course it is not only clear "what to (not) do" but also "why". Some mathematical understanding is required (I'd say university entry level).

The pace is just right. The questions dispersed throughout the lectures really help the process of understanding because they force to think about the problem at hand. Also very good is that each session starts with a short summary of the last session. Very helpful, if you watch this course in the evening after a workday.

автор: Simón

•Feb 04, 2020

Really good course. The professor knows what he is talking about and he explains as easy to understand as possible. As engineer it was sometimes difficult but not impossible for me to understand everything right away.

The only thing in my opinion that could make the course way more understandable are step by step examples with real numbers/text/messages. The examples in the course are good but too general to understand without a strong mathematical background.

I would recommend this course and I would say it is one of the best cryptography courses you'll find in internet.

Greetings!

автор: Hasan K

•Aug 16, 2018

One of the best courses I had so far. This course requires patience, a lot of thinking. It rewards you with great learning experience. This course encouraged me to go further into details of cryptography. I will still be reviewing my notes and what I learned from this course in coming months and enroll to the second course from Prof. Boneh. It definitely worth it. I also strongly recommend investing some more time into number theory (at least first four chapters of Viktor Shoup's book) to feel good about the theory of public key cryptography.

автор: Jessica G

•Sep 21, 2016

I had to review college algebra and some of the prerequisite, optional material to get by. I found myself thinking I understood until I got to the quiz. There are a lot of spaces where he assumes you know things or that you will figure out that a+b=c (like putting 2 and 2 together). Notes should probably be taken in outline format. After watching a couple weeks you can tell how he organizes it. The teacher is very knowledgeable and explains concepts very well. The material can still be incredibly hard and gets easier as you repeat it.

автор: Yehor B

•Oct 25, 2019

Extremely useful course that allowed me to get into computer security without any SUBJECT-SPECIFIC knowledge. Background in mathematics and programming definitely required to successfully complete the course, but if you have it, you can easily grasp concepts and constructions defining fundamental building blocks of modern computer security. I really hope that advanced course will land sometime, or at least extension of this one covering topics digital signatures, authenticated key-exchange and other good stuff.

автор: Sophie

•Sep 22, 2019

Clearly structured, well explained first course on the subject.

At times it appears too thin as mathematical proofs are not detailed, but as the course goes on, references to further readings are included which allows a more advanced understanding of the subject ( in maths and computing). This allows for a rather large range of topics to be introduced. Well done and last but not least, thank you so much, Dan !

Note: The pace of the course is also flexible. This course is perfectly doable ( on top of any job).

автор: Markus S

•Apr 05, 2017

This is a fantastic introduction to the world of cryptography! You learn about the basic concepts of encryption, authentication, authenticated encryption, public and private keys and the underlying mathematical principles that (should) make it hard to break the ciphers! You also learn about historical developments, real world applications and current challenges that would bring you instant fame in the crypto world. Also it is not a disadvantage if you really love solving puzzles!

автор: Piero C

•Sep 13, 2017

I'm the Technical Director of an electronic company. I didn't know very much (certainly not enough) about cryptography, except some vague general information. My company needed to gain first hand knowledge to protect a new line of products, for which online reprogramming will be necessary. This crash course about cryptography has been extremely enlightening, to address the development of these procedures.

Thank you Dan for your good work and carry on with it.

автор: Julio J S

•Feb 09, 2020

Este curso, ministrado pelo grande professor Dan Boneh, é maravilhoso, para dizer o mínimo. Mostra a teoria didaticamente, de forma a facilitar a matemática do assunto que é bem árida, mas também introduz aspectos práticos importantes para quem milita na área em particular com especificação e desenvolvimento de software. Os exames, para além de simples avaliação do aprendizado, foram ótimas ferramentas para fixar e melhorar o entendimento do conteúdo.

автор: Глеб Р

•Nov 18, 2017

Прекрасно структурированный курс. Практические задания (optional), потребовавшие большого количества времени (почти ничего не доделал до конца, но заниматься было интересно, возможно, займусь позже). Тесты строго по лекциям. В целом, всё понятно.

Иногда языковой барьер слегка мешает (термины запоминаются не с первого раза, приходится пересматривать - названия атак и т.п.). В 1 неделе есть презентации с лекций, по ним проще искать материал.

автор: James N

•Jun 24, 2017

I learned a tremendous amount from this course and it provided the grounding for an array of different areas of infosec studies I am pursuing. I highly recommend it. Many of the ideas were easy and intuitive to grasp, but there is also enough depth that I will likely take the course again at a later date.

The quizzes and projects were thoughtful and challenging, and effectively tested that the student understands the key ideas of material.

автор: Mark T

•Aug 29, 2016

The course was authentically cryptic. Just kidding. Once I listened to Prof. Boneh a few time over, I started to get the idea. asymptotic security while never stated as such played a fundamental role in the security proofs. Professor Boneh augmented the notion of correctness to include immunity from side channel (Power and timing attacks). The course was a great medley of pragmatic advice and theory. I am grateful for this class.

автор: Javier L

•Mar 02, 2018

Learning Cryptograpy is not a walk in the park as it requires a good understanding of the theoretical foundations and it is so easy to get wrong, yet it is essential for an IT professional to get a good grasp of the subject. This course is invaluable in that respect, the instructor presents the material in a clear, concise fashion without overwhelming with the math involved, giving the overview you need as a professional.

автор: Kasun H

•Nov 27, 2017

This is one of the best cryptography courses I have seen. Initially, I felt that the course was going faster. So I skipped the course two times after following about two weeks :). But I thought to give another try for the third time. Then I started to get comfortable and understand in time.

I strongly recommend this course to people who are looking to get a better theoretical understanding of cryptographic primitives.

автор: Adam Z

•Apr 04, 2018

A fantastic, university level course on Cryptography, most commonly referred to as the "gold standard". Personally, I found this course to be extremely helpful and assistive to my learning on the subject. However, I think that this course delves too deeply into the theory of cryptography, I think it would prove beneficial if Dan Boneh ran us through more coding examples or specific realistic use-cases.

автор: Luigi S

•Jul 15, 2019

It took to me more than one month and a half to complete this course but it has been a great stimulus to learn fundamental concepts and tools about cryptography. One of the most difficult part has been public-key cryptography mostly due for its base on number theory but now I have a good knowledge of RSA and Diffie-Hellman key exchange protocol. I look forward for the 2nd part of the course.

автор: Mark P

•May 05, 2017

Excellent in-depth introduction to the field of Cryptography! Absolutely rigorous treatment of the subject, down to every last mathematical detail. I feel like I sat in on a real university course at Stanford, and I believe this experience will help my work, my employer's products and will allow me to look critically at cryptographic code that comes across my desk. Thanks Prof. Boneh!

автор: Pierre M

•Mar 06, 2018

A truly excellent course. The content is very well done and presented, the problem sets challenging enough and the programming assignments are interesting and really worth completing. Dr Boneh explains all the concepts in a very clear manner and has tons of practical examples to share, which bring to light what can at first sight seem a little abstract. I highly recommend this course.

автор: Alexey G

•Aug 16, 2016

Amazing course and an outstanding teacher. Worth every penny and minute spent on this one. You learn not just how to build secure systems but also how NOT TO, which I consider even more valuable.The material is explained so fluently you have no doubts about professor's outstanding knowledge of it. This doesn't mean it's an easy course, though, so get prepared for some headache :)

автор: Umarov S M

•Jun 03, 2018

Thanks to Prof. Boneh and the whole Team for this brilliant course, and all the support provided. Although the program was quite challenging, it was very structured and informative, and provided an easy way to learn complex subjects. I'm looking forward to continuing to study cryptography discipline, and I would definitely recommend this course to my friends and colleagues.

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