Cryptography Made Simple
In this introductory textbook the author explains the key topics in cryptography. He takes a modern approach, where defining what is meant by "secure" is as important as creating something that achieves that goal, and security definitions are central to t
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Nigel P. Smart
Cryptography Made Simple
Information Security and Cryptography
Series Editors David Basin Kenny Paterson Advisory Board Michael Backes Gilles Barthe Ronald Cramer Ivan Damgård Andrew D. Gordon Joshua D. Guttman Christopher Kruegel Ueli Maurer Tatsuaki Okamoto Adrian Perrig Bart Preneel
More information about this series at http://www.springer.com/series/4752
Nigel P. Smart
Cryptography Made Simple
Nigel P. Smart University of Bristol Bristol, UK
ISSN 1619-7100 ISSN 2197-845X (electronic) Information Security and Cryptography ISBN 978-3-319-21935-6 ISBN 978-3-319-21936-3 (eBook) DOI 10.1007/978-3-319-21936-3 Library of Congress Control Number: 2015955608 Springer Cham Heidelberg New York Dordrecht London © Springer International Publishing Switzerland 2016 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer International Publishing AG Switzerland is part of Springer Science+Business Media (www.springer.com)
Preface This is a reworking of my earlier book “Cryptography: An Introduction” which has been available online for over a decade. In the intervening years there have been major advances and changes in the subject which have led me to revisit much of the material in this book. In the main the book remains the same, in that it tries to present a non-rigorous treatment of modern cryptography, which is itself a highly rigorous area of computer science/mathematics. Thus the book acts as a stepping stone between more “traditional” courses which are taught to undergraduates around the world, and the more advanced rigorous courses taught in graduate school. The motivation for such a bridging book is that, in my view, the traditional courses (which deal with basic RSA encryption and signatures, and perhaps AES) are not a suitable starting point. They do not emphasize the importance of what it means for a system to be secure; and are often introduced into a curriculum as a means of demonstrating the applicability of mathema
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