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This book constitutes the refereed proceedings of the First European Public Key Infrastructure Workshop: Research and Applications, EuroPKI 2004, held on Samos Island, Greece in June 2004.
The 25 revised full papers and 5 revised short papers presented were carefully reviewed and selected from 73 submissions. The papers address all current issues in PKI, ranging from theoretical and foundational topics to applications and regulatory issues in various contexts.
Crypto 2003, the 23rd Annual Crypto Conference, was sponsored by the Int- national Association for Cryptologic Research (IACR) in cooperation with the IEEE Computer Society Technical Committee on Security and Privacy and the Computer Science Department of the University of California at Santa Barbara. The conference received 169 submissions, of which the program committee selected 34 for presentation. These proceedings contain the revised versions of the 34 submissions that were presented at the conference. These revisions have not been checked for correctness, and the authors bear full responsibility for the contents of their papers. Submissions to the conference represent cutti- edge research in the cryptographic community worldwide and cover all areas of cryptography. Many high-quality works could not be accepted. These works will surely be published elsewhere. The conference program included two invited lectures. Moni Naor spoke on cryptographic assumptions and challenges. Hugo Krawczyk spoke on the 'SI- and-MAc'approachtoauthenticatedDi?e-HellmananditsuseintheIKEpro- cols. The conference program also included the traditional rump session, chaired by Stuart Haber, featuring short, informal talks on late-breaking research news. Assembling the conference program requires the help of many many people. To all those who pitched in, I am forever in your debt. I would like to ?rst thank the many researchers from all over the world who submitted their work to this conference. Without them, Crypto could not exist. I thank Greg Rose, the general chair, for shielding me from innumerable logistical headaches, and showing great generosity in supporting my e?orts.
This book constitutes the refereed proceedings of the Third International Conference on Security in Pervasive Computing, SPC 2006, held in York, UK, in April 2006. The 16 revised papers presented together with the extended abstract of 1 invited talk were carefully reviewed and selected from 56 submissions. The papers are organized in topical sections on protocols, mechanisms, integrity, privacy and security, information flow and access control, and authentication.
This book constitutes the thoroughly refereed post-conference proceedings of the IFIP WG 11.4 International Workshop on Open Problems in Network Security, iNetSec 2011, held in Lucerne, Switzerland, in June 2011, co-located and under the auspices of IFIP SEC 2011, the 26th IFIP TC-11 International Information Security Conference. The 12 revised full papers were carefully reviewed and selected from 28 initial submissions; they are fully revised to incorporate reviewers' comments and discussions at the workshop. The volume is organized in topical sections on assisting users, malware detection, saving energy, policies, and problems in the cloud.
This book constitutes the refereed proceedings of the 5th International Conference on Information Security ISC 2002, held in Sao Paulo, Brazil, in September/October 2002.The 38 revised full papers presented were carefully reviewed and selected from 81 submissions. The papers are organized in topical sections on intrusion detection and tamper resistance, cryptographic algorithms and attack implementation, access control and trust management, authentication and privacy, e-commerce protocols, signature schemes, cryptography, key management, and security analysis.
This book constitutes the thoroughly refereed post-conference proceedings of the 13th International Conference on Information Security and Cryptology, held in Seoul, Korea, in December 2010. The 28 revised full papers presented were carefully selected from 99 submissions during two rounds of reviewing. The conference provides a forum for the presentation of new results in research, development, and applications in the field of information security and cryptology. The papers are organized in topical sections on cryptanalysis, cryptographic algorithms, implementation, network and mobile security, symmetric key cryptography, cryptographic protocols, and side channel attack.
This book constitutes the proceedings of the 13th International Workshop on Cryptographic Hardware and Embedded Systems, CHES 2011, held in Nara, Japan, from September 28 until October 1, 2011. The 32 papers presented together with 1 invited talk were carefully reviewed and selected from 119 submissions. The papers are organized in topical sections named: FPGA implementation; AES; elliptic curve cryptosystems; lattices; side channel attacks; fault attacks; lightweight symmetric algorithms, PUFs; public-key cryptosystems; and hash functions.
This book constitutes the refereed proceedings of the 31st Annual International Cryptology Conference, CRYPTO 2011, held in Santa Barbara, CA, USA in August 2011. The 42 revised full papers presented were carefully reviewed and selected from 230 submissions. The volume also contains the abstract of one invited talk. The papers are organized in topical sections on randomness and its use; computer-assisted cryptographic proofs; outsourcing and delegatin computation; symmetric cryptanalysis and constructions; secure computation: leakage and side channels; quantum cryptography; lattices and knapsacks; public-key encryption; symmetric schemes; signatures; obilvious transfer and secret sharing; and multivariate and coding-based schemes.
This book constitutes the refereed proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT 2001, held in Gold Coast, Australia in December 2001.The 33 revised full papers presented together with an invited paper were carefully reviewed and selected from 153 submissions. The papers are organized in topical sections on lattice based cryptography, human identification, practical public key cryptography, cryptography based on coding theory, block ciphers, provable security, threshold cryptography, two-party protocols, zero knowledge, cryptographic building blocks, elliptic curve cryptography, and anonymity.
The protection of sensitive information against unauthorized access or fraudulent changes has been of prime concern throughout the centuries. Modern communication techniques, using computers connected through networks, make all data even more vulnerable to these threats. In addition, new issues have surfaced that did not exist previously, e.g. adding a signature to an electronic document.Cryptology addresses the above issues - it is at the foundation of all information security. The techniques employed to this end have become increasingly mathematical in nature. Fundamentals of Cryptology serves as an introduction to modern cryptographic methods. After a brief survey of classical cryptosystems, it concentrates on three main areas. First, stream ciphers and block ciphers are discussed. These systems have extremely fast implementations, but sender and receiver must share a secret key. Second, the book presents public key cryptosystems, which make it possible to protect data without a prearranged key. Their security is based on intractable mathematical problems, such as the factorization of large numbers. The remaining chapters cover a variety of topics, including zero-knowledge proofs, secret sharing schemes and authentication codes. Two appendices explain all mathematical prerequisites in detail: one presents elementary number theory (Euclid's Algorithm, the Chinese Remainder Theorem, quadratic residues, inversion formulas, and continued fractions) and the other introduces finite fields and their algebraic structure.Fundamentals of Cryptology is an updated and improved version of An Introduction to Cryptology, originally published in 1988. Apart from a revision of the existing material, there are many new sections, and two new chapters on elliptic curves and authentication codes, respectively. In addition, the book is accompanied by a full text electronic version on CD-ROM as an interactive Mathematica manuscript.Fundamentals of Cryptology will be of interest to computer scientists, mathematicians, and researchers, students, and practitioners in the area of cryptography.
The third Financial Cryptography conference was held in February 1999, once again at Anguilla in the British West Indies. The number of attendees continues to increase from year to year, as do the number and quality of the technical submissions. The Program Committee did a great job selecting the technical program. I thank them for all of their eo rt's. We were helped by a number of outside reviewers, including Mart n Abadi, Gerrit Bleumer, Drew Dean, Anand Desai, Mariusz Jakubowski, Andrew Odlyzko, David Pointcheval, Guillaume Poupard, Zul kar Ramzan, Aleta Ricciardi, Dan Simon, Jessica Staddon, Venkie Venka- san, Avishai Wool, and Francis Zane. I apologize for any omissions. Adi Shamir gave an excellent invited talk that forecast the future of crypt- raphy and electronic commerce. On-line certic ate revocation was the subject of a panel led by Michael Myers, following up on the success of his panel on the same topic at last year's conference. Joan Feigenbaum moderated a lively panel on fair use, intellectual property, and the information economy, and I thank her for pulling together from that discussion a paper for these proceedings. A s- cessful Rump Session allowed participants to present new results in an informal setting, superbly chaired by Avi Rubin.
In July 1998, a summer school in cryptology and data security was organized atthecomputersciencedepartmentofAarhusUniversity, Denmark.Thistook place as a part of a series of summer schools organized by the European Edu- tional Forum, an organizationconsisting of the researchcenters TUCS (Finland), IPA(Holland)andBRICS(Denmark, Aarhus).Thelocalorganizingcommittee consisted of Jan Camenisch, Janne Christensen, Ivan Damga? ard (chair), Karen Moller, andLouisSalvail.ThesummerschoolwassupportedbytheEuropean Union. Modern cryptology is an extremely fast growing ?eld and is of fundamental importance in very diverse areas, from theoretical complexity theory to practical electroniccommerceontheInternet.Wethereforesetouttoorganizeaschool that would enable young researchers and students to obtain an overview of some mainareas, coveringboththeoreticalandpracticaltopics.Itisfairtosaythat the school was a success, both in terms of attendance (136 participants from over20countries)andintermsofcontents.Itisapleasuretothankallofthe speakers for their cooperation and the high quality of their presentations. A total of 13 speakers gave talks: Mihir Bellare, University of California, San Diego; Gilles Brassard, University of Montreal; David Chaum, DigiCash; Ronald Cramer, ETH Zur ] ich; Ivan Damg? ard, BRICS; Burt Kaliski, RSA Inc.; Lars Knudsen, Bergen University; Peter Landrock, Cryptomathic; Kevin Mc- Curley, IBM Research, Almaden; Torben Pedersen, Cryptomathic; Bart Preneel, Leuven University; Louis Salvail, BRICS; Stefan Wolf, ETH Zur ] ich.
The book introduces new techniques which imply rigorous lower bounds on the complexity of some number theoretic and cryptographic problems. These methods and techniques are based on bounds of character sums and numbers of solutions of some polynomial equations over finite fields and residue rings. It also contains a number of open problems and proposals for further research. We obtain several lower bounds, exponential in terms of logp, on the de grees and orders of * polynomials; * algebraic functions; * Boolean functions; * linear recurring sequences; coinciding with values of the discrete logarithm modulo a prime p at suf ficiently many points (the number of points can be as small as pI/He). These functions are considered over the residue ring modulo p and over the residue ring modulo an arbitrary divisor d of p - 1. The case of d = 2 is of special interest since it corresponds to the representation of the right most bit of the discrete logarithm and defines whether the argument is a quadratic residue. We also obtain non-trivial upper bounds on the de gree, sensitivity and Fourier coefficients of Boolean functions on bits of x deciding whether x is a quadratic residue. These results are used to obtain lower bounds on the parallel arithmetic and Boolean complexity of computing the discrete logarithm. For example, we prove that any unbounded fan-in Boolean circuit. of sublogarithmic depth computing the discrete logarithm modulo p must be of superpolynomial size.
A comprehensive evaluation of information security analysis spanning the intersection of cryptanalysis and side-channel analysis * Written by authors known within the academic cryptography community, this book presents the latest developments in current research * Unique in its combination of both algorithmic-level design and hardware-level implementation; this all-round approach - algorithm to implementation covers security from start to completion * Deals with AES (Advanced Encryption standard), one of the most used symmetric-key ciphers, which helps the reader to learn the fundamental theory of cryptanalysis and practical applications of side-channel analysis
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