Cryptography: A Very Short Introduction 1st Edition by Fred Piper (PDF)

Description

This book is a clear and informative introduction to cryptography and data protection–subjects of considerable social and political importance. It explains what algorithms do, how they are used, the risks associated with using them, and why governments should be concerned. Important areas are highlighted, such as Stream Ciphers, block ciphers, public key algorithms, digital signatures, and applications such as e-commerce. This book highlights the explosive impact of cryptography on modern society, with, for example, the evolution of the internet and the introduction of more sophisticated banking methods.

User’s Reviews

Editorial Reviews: Review `a perfect pocket primer for anybody interested in cryptography.’ Simon Singh About the Author Fred Piper has been a Professor of Mathematics at the University of London since 1975 and has worked in security since 1979. In 1985 he formed a company, Codes & Ciphers Ltd., which offers consultancy advice in all aspects of information security.He has lectured worldwide on a wide range of topics in information security, both academically and comercially. Sean Murphy is currently a Reader in the Information Security Group. His research interests centre on cryptology, especially encryption algorithms. He published some of the early papers on differential cryptanalysis, and has written papers on a variety of cryptographic algorithms such as DES, FEAL, IDEA, SAFER and Twofish.

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐Be aware that there are multiple errors on page 30, so don’t get flustered and give up. It’s a practice exercise, and a fun one, but if you get stumped, just use some ingenuity and keep moving through. I did a quick skim afterward for an answer key and a “surprise, we threw in some errors!”, but didn’t find it. So, if you think you’re solving it and then a wrench gets thrown into the gears, just keep going and assume that it’s one of the errors. With Kryptos, there are both intentional and accidental errors, so I just assumed each one was an error after I checked my own deduction, and kept going. Sure enough, things made sense, but there are “typos”, so don’t let that stop you. I was doing it in my head, so I got very frustrated having to second-guess myself, thinking that I made a mistake, because I DID make one letter mistake which I caught when it made its second appearance, before any of the errors were against me. Not having anything on paper, realizing a mistake that I made, and then coming across more mistakes which I couldn’t blame on myself and correct was very frustrating and confusing. Do it on paper and laugh at the sloppy mistakes, or do it in your head and know that you don’t have to quadruple-check that it’s not your own fault. Check once, know that they messed up, and don’t let it ruin the fun…it almost ruined my fun. …And that’s how I spent my Thursday night without a girlfriend anymore.I’m not new to the idea of encryption since my background is in IT, but I wanted to do some serious learning and start from the ground floor to better understand the algorithms in practice. This book is the first of three I’m reading to correct any misunderstandings I may have had, and it’s an easy and good read so far. I haven’t finished it yet (I often get bored and skim, then move to a new book), but I may as well warn others of page 30 in the event I don’t update my review. Good starter book. I’m glad I got it.

⭐This book is exactly as described: A straight-forward, quick summary of Cryptography concepts. It doesn’t provide much detail at the level of Mathematical Theory or computer-programming on any one of them, but it clearly explains the value and downfalls of various types of encryption, including most of the more common modern standards.It speaks in terms of how each can be broken, and why some are extremely difficult to break (although certainly not impossible). It talks about various attack vectors and how to mitigate them. It includes straight-forward descriptions of how these encryption standards work in web-based E-commerce.It also addresses some security concerns not strictly tied to or limited to encryption. For example, you have a secure channel, but how do you know whether the person at the other end of that channel is whom you think it is?It’s generally well-written, and its illustrations pretty easy to follow.

⭐If you want an accurate introduction to the concepts and vocabulary of cryptography, this is the book for you. The authors are clearly knowledgeable but manage to make the information provided accessable to the beginner. There are simple examples to acquaint you with some of the principles of coding and breaking codes. This is a complex subject and some of the ideas will take you into deep water. There is an excellent bibliography that one can refer to for more technical details. The book would benefit from a glossary of acronyms as some of the terminology was hard to keep straight. There could have been a little less discussion of key management. Over all a very useful and informative book.

⭐Great intro to cryptology book. I wanted something that covered the basics and set me up to dive deeper into the subject. I’m pleased to report this book did exactly that! It covers both the history and practical sides of cryptology. It also had a ton of examples and visual demonstrations which really helped me grasp the concepts behind cryptology. After reading this I am proud to say: DCDB CGTM ZXJH HZIY OCDN WJJF!

⭐Crisp, clear introduction with a minimal level of demand of mathematical knowledge. It covers today’s concerns of the general Internet user as well as the fundamentals. Another great example of popularization that respects the reader’s intelligence, enlightens, is useful, and entices further reading.

⭐This is a fast trip from fundamental concepts to the everyday use of cryptography. I particularly enjoyed the stops at the use of encryption and at the key distribution challenges. The whole thing is put together in practical examples and you are then set to dive in details following the recommended references.

⭐Does exactly what the title of the book sounds like: provides an introduction to cryptography. The first half of the book is about ancient forms of cryptography (so, cryptography’s origin). The ladder half talks about newer (not modern, though) techniques of cryptography and some other things.Don’t buy if you are looking for a tutorial on present-day cryptography techniques.

⭐It is hard to find a crypto book that achieves a good balance between math, theory and practice. This book scores a bullseye in balancing all three. I recommend it for newbies learning about crypto and also for security practitioners who want more perspective on the crypto aspects of their field. The only people it would not be suitable for are crypto specialists. In 133 pages of text, this book provides insight into history, algorithms, mathematical foundations and practical applications. It is also an enjoyable read!

⭐Some things stand the test of time, and whilst this book was written 20 years ago, the maths and fundamental concepts on encryption remain. This book is very accessible and a great primer for all those who wish to be involved in cybersecurity.Cryptography always has been one the most important topics in the security field, but over the coming years it will rise even more in prominance to be the ultimate battleground, in our ongoing journey to protect our systems, data and privacy.

⭐It turns out the book was published in 2002. Considering much of the book concerns digital cryptography, it is wildly out of date.Nicely written though and some sections still persevere.

⭐This is a fabulous little book. It looks at a selection of ciphers from the last 2,000 years. They are clearly and concisely explained with descriptions of the issues that caused the progression. The descriptions of the concepts are better than a number of other much larger IT security book I have read. There is enough detail to enable me to code them to get a better feel for the issues. This inspired me to get other books on cryptography and crypt-analysis.

⭐It’s a handy little book. It gets in, says what it needs to say, and then gets out. As the title of the book suggests, it’s a very short introduction. Due to this it wouldn’t be an ideal textbook for those who may be looking for one. It’s more of a refresher on the topic or a teaser to get you intrigued into reading more elsewhere.

⭐A Surprisingly good book. Although this book is small it covers all the relevant information needed. It answers alot of questions about encryption whilst keeping it light and easy to read. would recomend this book to anyone looking to find out more about cryptography. As a primer I can’t fault this book

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