PDF Download An Introduction to Mathematical Cryptography (Undergraduate Texts in Mathematics)
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An Introduction to Mathematical Cryptography (Undergraduate Texts in Mathematics)
PDF Download An Introduction to Mathematical Cryptography (Undergraduate Texts in Mathematics)
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Review
From the reviews: "The book is devoted to public key cryptography, whose principal goal is to allow two or more people to exchange confidential information … . The material is very well organized, and it is self-contained: no prerequisites in higher mathematics are needed. In fact, everything is explained and carefully covered … . there is abundance of examples and proposed exercises at the end of each chapter. … This book is ideal as a textbook for a course aimed at undergraduate mathematics or computer science students." (Fabio Mainardi, The Mathematical Association of America, October, 2008) "This book focuses on public key cryptography … . Hoffstein, Pipher, and Silverman … provide a thorough treatment of the topics while keeping the material accessible. … The book uses examples throughout the text to illustrate the theorems, and provides a large number of exercises … . The volume includes a nice bibliography. … Summing Up: Highly recommended. Upper-division undergraduate through professional collections." (C. Bauer, Choice, Vol. 46 (7), March, 2009) "For most undergraduate students in mathematics or computer science (CS), mathematical cryptography is a challenging subject. … it is written in a way that makes you want to keep reading. … The authors officially targeted the book for advanced undergraduate or beginning graduate students. I believe that this audience is appropriate. … it could even be used with students who are just learning how to execute rigorous mathematical proofs. … I strongly believe that it finds the right tone for today’s students … ." (Burkhard Englert, ACM Computing Reviews, March, 2009) "The exercises and text would make an excellent course for undergraduate independent study. … This is an excellent book. Hoffstein, Pipher and Silverman have written as good a book as is possible to explain public key cryptography. … This book would probably be best suited for a graduate course that focused on public key cryptography, for undergraduate independent study, or for the mathematician who wants to see how mathematics is used in public key cryptography." (Jintai Ding and Chris Christensen, Mathematical Reviews, Issue 2009 m)
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From the Back Cover
This self-contained introduction to modern cryptography emphasizes the mathematics behind the theory of public key cryptosystems and digital signature schemes. The book focuses on these key topics while developing the mathematical tools needed for the construction and security analysis of diverse cryptosystems. Only basic linear algebra is required of the reader; techniques from algebra, number theory, and probability are introduced and developed as required. The book covers a variety of topics that are considered central to mathematical cryptography. Key topics include: * classical cryptographic constructions, such as Diffie-Hellmann key exchange, discrete logarithm-based cryptosystems, the RSA cryptosystem, and digital signatures; * fundamental mathematical tools for cryptography, including primality testing, factorization algorithms, probability theory, information theory, and collision algorithms; * an in-depth treatment of important recent cryptographic innovations, such as elliptic curves, elliptic curve and pairing-based cryptography, lattices, lattice-based cryptography, and the NTRU cryptosystem. This book is an ideal introduction for mathematics and computer science students to the mathematical foundations of modern cryptography. The book includes an extensive bibliography and index; supplementary materials are available online.
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Product details
Series: Undergraduate Texts in Mathematics
Paperback: 540 pages
Publisher: Springer; Softcover reprint of hardcover 1st ed. 2008 edition (December 1, 2010)
Language: English
ISBN-10: 1441926747
ISBN-13: 978-1441926746
Product Dimensions:
6.1 x 1.2 x 9.2 inches
Shipping Weight: 2 pounds (View shipping rates and policies)
Average Customer Review:
4.4 out of 5 stars
18 customer reviews
Amazon Best Sellers Rank:
#349,460 in Books (See Top 100 in Books)
Good start to this topic. The only hiccup was that I tried to work through the text example myself and came up with different answers. This is because the text was wrong. There is an extensive errata file that you can get online. May sure you get it before starting to work through text examples and end-of-chapter exercises. I hope that a revised version is issued that corrects these errata.
Good introduction to intermediate level coverage of math-based crypto, however, I found the text hard to follow because the cross references were hard to look up. E.g. a back reference to proposition x.y is hard to look up bec propositions are somewhat sparse and each chapter x is very large -- so you find yourself thumbing through the chapter trying to find propositions to get your bearing. It really interferes with the reading process. Including a page number would help greatly. (For more purely math books, this isn't as large of an issue bec there are so many propositions and theorems that it's easy to isolate the back reference -- but for this text, it is quite difficult.)
At least for the chapters that were studied by this reviewer, the authors of this book give an effective introduction to the mathematical theory used in cryptography at a level that can be approached by an undergraduate senior in mathematics. The field of cryptography is vast of course, and a book of this size could not capture it effectively. The topics of primary importance are represented however, and the authors do a fine job of motivating and explaining the needed concepts.The authors give an elementary overview of elliptic curves over the complex numbers, and most importantly over finite fields whose characteristic is greater than 3. The case where the characteristic is equal to 2 is delegated to its own section. In discussing the arithmetic of elliptic curves over finite fields, the authors give a good motivation for Hasse's formula, which gives a bound for the number of points of the elliptic curve (over a finite field), but they do not go into the details of the proof. The Hasse formula is viewed in some texts as a "Riemann Hypothesis" for elliptic curves over finite fields, and was proven by Hasse in 1934. This reviewer has not studied Hasse's proof, but a contemporary proof relies on the Frobenius map and its separability, two notions that the authors do not apparently want to introduce at this level of book (however they do introduce the Frobenius map when discussing elliptic curves over F2). Separability is viewed in some texts in elliptic curves as more of a technical issue, which can be ignored at an elementary level. It arises when studying endomorphisms of elliptic curves of fields of non-zero characteristic, and involves defining rational functions. The Frobenius map is not separable, and this fact allows one to show that its degree is strictly greater than the number of points in its kernel. Taking the nth power of the Frobenius map and adding to it the endomorphism which simply multiplies elements by -1, one can show that the number of points of the elliptic curve is equal to the degree of this endomorphism. Just a few more arithmetical calculations establishes Hasse's estimate.Some more of the highlights of this part of the book: - The reminder that the fastest known algorithm to solve the elliptic curve discrete logarithm problem takes p^1/2 steps for a finite field Fp (i.e. the algorithms therefore are not really better than "black box" algorithms).- The brief historical discussion on public key cryptography.- The motivational discussion for the Lenstra algorithm using simple calculations that leads to a failed attempt to find the reciprocal of an integer modulo p. This failure is used to explain the workings of the Lenstra elliptic curve factorization algorithm in a way that it is better appreciated by the reader.- The discussion on the Frobenius map in the context of elliptic curves over F2 and its use in finding the number of points of an elliptic curve over a finite field.- The motivational discussion for the use of distortion maps, due to the degeneracy of the Weil pairing. The distortion maps are used to define a modified Weyl pairing, which is proved to be non-degenerate.Some omissions:- Algorithms used to calculate the number of points of an elliptic curve over a finite field that are more efficient than brute-force counting or estimation using Hasse's formula.- The proof that the torsion points of order m can be written as the product of two cyclic groups of order m. The authors apparently do not want to get into the notions of unramified and separable "isogenies" between elliptic curves and Galois extensions, both of which are used in the proof that they reference. Isogenies are mentioned in a footnote to the discussion on distortion maps, since the latter are isogenies.- The proof verifying certain properties of divisors, namely that they are equal if the corresponding rational functions are constant multiples of each other, and that the degree of a divisor is zero if its sum is the zero element of the elliptic curve. The proofs were no doubt omitted due to their dependence on techniques from algebraic geometry.- Quantum cryptography. This is discussed very briefly in the last chapter, but the subject is mature enough to be presented at the undergraduate level.- Cryptography based on non-Abelian groups. One good example would be cryptography based on the mathematical theory of knots and braids (the braid group is non-Abelian), even though this approach is in its infancy at the present time, and in almost all cases shown to be highly vulnerable to attacks. It could have been included in the last chapter or possibly as a long exercise.- Hyperelliptic curves are discussed very briefly in the last chapter, but a full-fledged presentation could be done in the book without missing the targeted audience. Hyperelliptic curves are also mentioned after the discussion of the MOV algorithm, wherein the authors allude to the use of Weil descent to transfer the elliptic curve discrete logarithm problem to a discrete logarithm problem in a finite field F2^m when m is composite. The authors correctly don't want to elaborate on Weil descent in any more detail, since it requires a solid knowledge of field extensions and theory of algebraic varieties at a level that one obtains in a graduate course in algebraic geometry. Suffice it to say that the strategy of Weil descent involves finding a cover of the elliptic curve by a hyperelliptic curve that is defined over the extension of the ground field. This approach has been shown to be problematic for Koblitz curves, the latter of which are discussed in the book.Note: This review is based on a reading of chapters 5 and 8 of the book.
I used this book to teach a class of math and computer science majors. The book is great. It covers major topics; RSA, El-Gamal. Elliptic Curves, Lattice Based Cryptography. The systems are described and important attacks on the mathematical underpinnings are given in detail. The necessary mathematics is developed. Many homework problems on which the reader can practice are another strength. The students have expressed how much they get from the book. I highly recommend it.
I'm doing my honor's thesis on theoretical Cryptography as an undergrad at Colby College, and this book has been the perfect resource. It is so clear, and many time teaches by using easy to understand concrete examples. This book is the perfect place to start if you want to learn about Crypto.
This 500+ pages book is very nice and deals with the Mathematical point of view with many explanations, but one will always neeed an additional support book of Algebra such as Topics in Algebra by I. N. Herstein (LC 74-82577) to fully grasp all the related Math fundamentals.
Solid, introductory text for those familiar with abstract algebra, discrete mathematics and the like — and even those who are not.. and I’m the latter.
It is for undergrads, but useful at grad level to any student who didn't take the courses as an undergrad (i.e., fresh grad students discovering their love to cryptography)
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