Cryptography is now ubiquitous - moving beyond the traditional environments, such as government communications and banking systems, we see cryptographic techniques realized in Web browsers, e-mail programs, cell phones, manufacturing systems, embedded software, smart buildings, cars, and even medical implants. Today's designers need a comprehensive understanding of applied cryptography. After an introduction to cryptography and data security, the authors explain the main techniques in modern cryptography, with chapters addressing stream ciphers, the Data Encryption Standard (DES) and 3DES, the Advanced Encryption Standard (AES), block ciphers, the RSA cryptosystem, public-key cryptosystems based on the discrete logarithm problem, elliptic-curve cryptography (ECC), digital signatures, hash functions, Message Authentication Codes (MACs), and methods for key establishment, including certificates and public-key infrastructure (PKI). Throughout the book, the authors focus on communicating the essentials and keeping the mathematics to a minimum, and they move quickly from explaining the foundations to describing practical implementations, including recent topics such as lightweight ciphers for RFIDs and mobile devices, and current key-length recommendations. The authors have considerable experience teaching applied cryptography to engineering and computer science students and to professionals, and they make extensive use of examples, problems, and chapter reviews, while the book's website offers slides, projects and links to further resources. This is a suitable textbook for graduate and advanced undergraduate courses and also for self-study by engineers.

Thisbookcontainsthepostproceedingsofthe6thEuropeanWorkshoponPublic Key Services, Applications and Infrastructures, which was held at the CNR Research Area in Pisa, Italy, in September 2009. The EuroPKI workshop series focuses on all research and practice aspects of public key infrastructures, services and applications, and welcomes original research papers and excellent survey contributions from academia, government, and industry. Previous events of the series were held in: Samos, Greece (2004); Kent, UK (2005); Turin, Italy, (2006); Palma de Mallorca, Spain, (2007); and Trondheim, Norway (2008). From the original focus on public key infrastructures, EuroPKI interests - panded to include advanced cryptographic techniques, applications and (more generally) services. The Workshops brings together researchersfrom the cryp- graphiccommunity as well as fromthe applied security community, as witnessed by the interesting program. Indeed, this volume holds 18 refereed papers and the presentation paper by the invited speaker, Alexander Dent. In response to the EuroPKI 2009 call for papers, a total of 40 submissions were received. All submissions underwent a thorough blind review by at least three ProgramCommittee members, resulting in careful selection and revision of the accepted papers. After the conference, the papers were revised and improved by the authors before inclusion in this volume.

The EuropeanSymposium on Researchin Computer Security (ESORICS) has a tradition that goes back two decades. It tries to bring together the international research community in a top-quality event that covers all the areas of computer security, ranging from theory to applications. ESORICS 2010 was the 15th edition of the event. It was held in Athens, Greece, September 20-22, 2010. The conference received 201 submissions. The papers went through a careful review process. In a ?rst round, each paper - ceived three independent reviews. For the majority of the papers an electronic discussion was also organized to arrive at the ?nal decision. As a result of the review process, 42 papers were selected for the ?nal program, resulting in an - ceptance rate of as low as 21%. The authors of accepted papers were requested to revise their papers, based on the comments received. The program was c- pleted with an invited talk by Udo Helmbrecht, Executive Director of ENISA (European Network and Information Security Agency). ESORICS 2010 was organized under the aegisof three Ministries of the G- ernment of Greece, namely: (a) the Ministry of Infrastructure, Transport, and Networks, (b) the General Secretariat for Information Systems of the Ministry of Economy and Finance, and (c) the General Secretariat for e-Governance of the Ministry of Interior, Decentralization, and e-Government.

Cryptography is now ubiquitous moving beyond the traditional environments, such as government communications and banking systems, we see cryptographic techniques realized in Web browsers, e-mail programs, cell phones, manufacturing systems, embedded software, smart buildings, cars, and even medical implants. Today's designers need a comprehensive understanding of applied cryptography.

After an introduction to cryptography and data security, the authors explain the main techniques in modern cryptography, with chapters addressing stream ciphers, the Data Encryption Standard (DES) and 3DES, the Advanced Encryption Standard (AES), block ciphers, the RSA cryptosystem, public-key cryptosystems based on the discrete logarithm problem, elliptic-curve cryptography (ECC), digital signatures, hash functions, Message Authentication Codes (MACs), and methods for key establishment, including certificates and public-key infrastructure (PKI). Throughout the book, the authors focus on communicating the essentials and keeping the mathematics to a minimum, and they move quickly from explaining the foundations to describing practical implementations, including recent topics such as lightweight ciphers for RFIDs and mobile devices, and current key-length recommendations.

The authors have considerable experience teaching applied cryptography to engineering and computer science students and to professionals, and they make extensive use of examples, problems, and chapter reviews, while the book s website offers slides, projects and links to further resources. This is a suitable textbook for graduate and advanced undergraduate courses and also for self-study by engineers."

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 16th International Conference on on Applied Cryptography and Network Security, ACNS 2018, held in Leuven, Belgium, in July 2018. The 36 revised full papers presented were carefully reviewed and selected from 173 submissions. The papers were organized in topical sections named: Cryptographic Protocols; Side Channel Attacks and Tamper Resistance; Digital Signatures; Privacy Preserving Computation; Multi-party Computation; Symmetric Key Primitives; Symmetric Key Primitives; Symmetric Key Cryptanalysis; Public Key Encryption; Authentication and Biometrics; Cloud and Peer-to-peer Security.

Communications and Multimedia Security is an essential reference for both academic and professional researchers in the fields of Communications and Multimedia Security. This state-of-the-art volume presents the proceedings of the Eighth Annual IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, September 2004, in Windermere, UK. The papers presented here represent the very latest developments in security research from leading people in the field. The papers explore a wide variety of subjects including privacy protection and trust negotiation, mobile security, applied cryptography, and security of communication protocols. Of special interest are several papers which addressed security in the Microsoft .Net architecture, and the threats that builders of web service applications need to be aware of. The papers were a result of research sponsored by Microsoft at five European University research centers. This collection will be important not only for multimedia security experts and researchers, but also for all teachers and administrators interested in communications security.

This book constitutes the refereed proceedings of the Second Annual Privacy Forum, APF 2014, held in Athens, Greece, in May 2014. The 12 revised papers presented in this volume were carefully reviewed and selected from 21 submissions. The topics include: the concept and implementation of "privacy by design," with applications to encrypted databases; the study of video surveillance architectures and new networking concepts and innovative solutions for identity management. The papers address the technical, legal, and economic aspects of these problems.

This book constitutes revised selected papers from the First Annual Privacy Forum, APF 2012, held in Limassol, Cyprus, in October 2012. The 13 revised papers presented in this volume were carefully reviewed and selected from 26 submissions. They are organized in topical sections named: modelling; privacy by design; identity management and case studies.

This book constitutes the refereed proceedings of the 40th International Conference on Current Trends in Theory and Practice of Computer Science, SOFSEM 2014, held in Novy Smokovec, Slovakia, in January 2014. The 40 revised full papers presented in this volume were carefully reviewed and selected from 104 submissions. The book also contains 6 invited talks. The contributions covers topics as: Foundations of Computer Science, Software and Web Engineering, as well as Data, Information and Knowledge Engineering and Cryptography, Security and Verification."

This volume contains papers presented at the fourth working conference on Communications and Multimedia Security (CMS'99), held in Leuven, Belgium from September 20-21, 1999. The Conference, arrangedjointly by Technical Committees 11 and 6 of the International Federation of Information Processing (IFIP), was organized by the Department of Electrical Engineering of the Katholieke Universiteit Leuven. The name "Communications and Multimedia Security" was used for the first time in 1995, when Reinhard Posch organized the first in this series of conferences in Graz, Austria, following up on the previously national (Austrian) IT Sicherheit conferences held in Klagenfurt (1993) and Vienna (1994). In 1996, CMS took place in Essen, Germany; in 1997 the conference moved to Athens, Greece. The Conference aims to provide an international forum for presentations and discussions on protocols and techniques for providing secure information networks. The contributions in this volume review the state-of the-art in communications and multimedia security, and discuss practical of topics experiences and new developments. They cover a wide spectrum inc1uding network security, web security, protocols for entity authentication and key agreement, protocols for mobile environments, applied cryptology, watermarking, smart cards, and legal aspects of digital signatures.

This book constitutes the proceedings of the Second International Conference on Cryptology in Africa, AFRICACRYPT 2009, held in Gammarth, Tunisia, on June 21-25, 2009.

The 25 papers presented together with one invited talk were carefully reviewed and selected from 70 submissions. The topics covered are hash functions, block ciphers, asymmetric encryption, digital signatures, asymmetric encryption and anonymity, key agreement protocols, cryptographic protocols, efficient implementations, and implementation attacks.

This book is a select collection of edited papers from the International Conference on Security of Information and Networks (SIN 2007) on the main theme of Information Assurance, Security, and Public Policy. SIN 2007 was hosted by the Eastern Mediterranean University in Gazimagusa, North Cyprus and co-organized by the Istanbul Technical University, Turkey. While SIN 2007 covered all areas of information and network security, the papers included here focused on the following topics:
- cryptology: design and analysis of cryptographic algorithms, hardware and software implementations of cryptographic algorithms, and steganography;
- network security: authentication, authorization and access control, privacy, intrusion detection, grid security, and mobile and personal area networks;
- IT governance: information security management systems, risk and threat analysis, and information security policies.
They represent an interesting mix of innovative academic research and experience reports from practitioners. This is further complemented by a number of invited papers providing excellent overviews:
- Elisabeth Oswald, University of Bristol, Bristol, UK: Power Analysis Attack: A Very Brief Introduction;
- Marc Joye, Thomson R&D, France: On White-Box Cryptography;
- Bart Preneel, Katholieke Universiteit Leuven, Leuven, Belgium: Research Challenges in Cryptology;
- Mehmet Ufuk Caglayan, Bogazici University, Turkey: Secure Routing in Ad Hoc Networks and Model Checking.
The papers are organized in a logical sequence covering Ciphers; Mobile Agents & Networks; Access Control and Security Assurance; Attacks, Intrusion Detection, and Security Recommendations;and, Security Software, Performance, and Experience.

This book constitutes the refereed proceedings of the 34th Conference on Current Trends in Theory and Practice of Computer Science, SOFSEM 2008, held in Novy Smokovec, Slovakia, in January 2008.

The 57 revised full papers, presented together with 10 invited contributions were carefully reviewed and selected from 162 submissions. The papers are organized in four topical tracks on foundations of computer science; computing by nature; networks, security, and cryptography; and Web technologies.

This book constitutes the refereed proceedings of the 9th International Conference on Information Security, ISC 2006, held on Samos Island, Greece in August/September 2006.

The 38 revised full papers presented were carefully reviewed and selected from 188 submissions. The papers are organized in topical sections on software security, privacy and anonymity, block ciphers and hash functions, digital signatures, stream ciphers, encryption, pervasive computing, network security, watermarking and digital rights management, intrusion detection and worms, key exchange, security protocols and formal methods, and information systems security.

The two-volume set LNCS 4051 and LNCS 4052 constitutes the refereed proceedings of the 33rd International Colloquium on Automata, Languages and Programming, ICALP 2006, held in Venice, Italy, July 2006. In all, these volumes present more 100 papers and lectures. Volume II (4052) presents 2 invited papers and 2 additional conference tracks with 24 papers each, focusing on algorithms, automata, complexity and games as well as on security and cryptography foundation.

The two-volume set LNCS 4051 and LNCS 4052 constitutes the refereed proceedings of the 33rd International Colloquium on Automata, Languages and Programming, ICALP 2006, held in Venice, Italy, July 2006. In all, these volumes present more 100 papers and lectures. Volume I (4051) presents 61 revised full papers together with 1 invited lecture, focusing on algorithms, automata, complexity and games, on topics including graph theory, quantum computing, and more.

This book constitutes the thoroughly refereed post-proceedings of the 12th International Workshop on Selected Areas in Cryptography, SAC 2005, held in Canada in August 2005. The 25 revised full papers presented were carefully reviewed and selected from 96 submissions for inclusion in the book. The papers are organized in topical sections.

Communications and Multimedia Security is an essential reference for both academic and professional researchers in the fields of Communications and Multimedia Security.

This state-of-the-art volume presents the proceedings of the Eighth Annual IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, September 2004, in Windermere, UK. The papers presented here represent the very latest developments in security research from leading people in the field. The papers explore a wide variety of subjects including privacy protection and trust negotiation, mobile security, applied cryptography, and security of communication protocols. Of special interest are several papers which addressed security in the Microsoft .Net architecture, and the threats that builders of web service applications need to be aware of. The papers were a result of research sponsored by Microsoft at five European University research centers.

This collection will be important not only for multimedia security experts and researchers, but also for all teachers and administrators interested in communications security.

This volume continues the tradition established in 2001 of publishing the c- tributions presented at the Cryptographers' Track (CT-RSA) of the yearly RSA Security Conference in Springer-Verlag's Lecture Notes in Computer Science series. With 14 parallel tracks and many thousands of participants, the RSA - curity Conference is the largest e-security and cryptography conference. In this setting, the Cryptographers' Track presents the latest scienti?c developments. The program committee considered 49 papers and selected 20 for presen- tion. One paper was withdrawn by the authors. The program also included two invited talks by Ron Rivest ("Micropayments Revisited" - joint work with Silvio Micali) and by Victor Shoup ("The Bumpy Road from Cryptographic Theory to Practice"). Each paper was reviewed by at least three program committee members; paperswrittenbyprogramcommitteemembersreceivedsixreviews.Theauthors of accepted papers made a substantial e?ort to take into account the comments intheversionsubmittedtotheseproceedings.Inalimitednumberofcases, these revisions were checked by members of the program committee. I would like to thank the 20 members of the program committee who helped to maintain the rigorous scienti?c standards to which the Cryptographers' Track aims to adhere. They wrote thoughtful reviews and contributed to long disc- sions; more than 400 Kbyte of comments were accumulated. Many of them - tended the program committee meeting, while they could have been enjoying the sunny beaches of Santa Barbara.

This book constitutes the refereed proceedings of the International Conference on the Theory and Application of Cryptographic Techniques, EUROCRYPT 2000, held in Bruges, Belgium, in May 2000. The 39 revised full papers presented were carefully selected from a total of 150 submissions during a highly competitive reviewing process. The book is divided in topical sections of factoring and discrete logarithm, digital signatures, private information retrieval, key management protocols, threshold cryptography, public-key encryption, quantum cryptography, multi-party computation and information theory, zero-knowledge, symmetric cryptography, Boolean functions and hardware, voting schemes, and stream ciphers and block ciphers.

This volume contains papers presented at the fourth working conference on Communications and Multimedia Security (CMS'99), held in Leuven, Belgium from September 20-21, 1999. The Conference, arrangedjointly by Technical Committees 11 and 6 of the International Federation of Information Processing (IFIP), was organized by the Department of Electrical Engineering of the Katholieke Universiteit Leuven. The name "Communications and Multimedia Security" was used for the first time in 1995, when Reinhard Posch organized the first in this series of conferences in Graz, Austria, following up on the previously national (Austrian) IT Sicherheit conferences held in Klagenfurt (1993) and Vienna (1994). In 1996, CMS took place in Essen, Germany; in 1997 the conference moved to Athens, Greece. The Conference aims to provide an international forum for presentations and discussions on protocols and techniques for providing secure information networks. The contributions in this volume review the state-of the-art in communications and multimedia security, and discuss practical of topics experiences and new developments. They cover a wide spectrum inc1uding network security, web security, protocols for entity authentication and key agreement, protocols for mobile environments, applied cryptology, watermarking, smart cards, and legal aspects of digital signatures."

The Department of Electrical Engineering-ESAT at the Katholieke Universiteit Leuven regularly runs a course on the state of the art and evolution of computer security and industrial cryptography. The rst course took place in 1983, the second in 1989, and since then the course has been a biennial event. The course is intended for both researchers and practitioners from industry and government. It covers the basic principles as well as the most recent - velopments. Our own interests mean that the course emphasizes cryptography, but we also ensure that the most important topics in computer security are covered. We try to strike a good balance between basic theory and real-life - plications, between mathematical background and judicial aspects, and between recent technical developments and standardization issues. Perhaps the greatest strength of the course is the creation of an environment that enables dialogue between people from diverse professions and backgrounds. In 1993, we published the formal proceedings of the course in the Lecture Notes in Computer Science series (Volume 741). Since the el d of cryptography has advanced considerably during the interim period, there is a clear need to publish a new edition. Since 1993, several excellent textbooks and handbooks on cryptology have been published and the need for introductory-level papers has decreased. The growth of the main conferences in cryptology (Eurocrypt, Crypto, and Asiacrypt) shows that interest in the eld is increasing

This manual documents the outcome of the EC sponsored project RACE Integrity Primitives Evaluation (R1040), RIPE. This project is a huge joint 350 man-month project conducted by 16 leading European security experts.
This book offers expert advice to professionals seeking to secure information systems by applying up-to-date cryptographic techniques. The core of this volume is a detailed integrity primitives portfolio recommendation. Among the issues addressed are security services, integrity mechanisms, data origin authentication, entity authentication, access control, data integrity, non-repudiation, signatures, and key exchange.

This book contains a set of revised refereed papers selected from the presentations at the Second International Workshop on Fast Software Encryption held in Leuven, Belgium, in December 1994.
The 28 papers presented significantly advance the state of the art of software algorithms for two cryptographic primitives requiring very high speeds, namely encryption algorithms and hash functions: this volume contains six proposals for new ciphers as well as new results on the security of the new proposals. In addition, there is an introductory overview by the volume editor. The papers are organized in several sections on stream ciphers and block ciphers; other papers deal with new algorithms and protocols or other recent results.