Andreas Pfitzmann's Books

Information Hiding

Third International Workshop, IH'99, Dresden, Germany, September 29 - October 1, 1999 Proceedings

By: Andreas Pfitzmann

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Information Hiding

Third International Workshop, IH'99, Dresden, Germany, September 29 - October 1, 1999 Proceedings

By: Andreas Pfitzmann

This book constitutes the thoroughly refereed post-workshop proceedings of the Third International Workshop on Information Hiding, IH'99, held in Dresden, Germany, in September/October 1999. The 33 revised full papers presented were carefully reviewed and selected from a total of 68 submissions. The dominating topic, dealt with in various contexts, is watermarking. The papers are organized in sections on fundamentals of steganography, paradigms and examples, beyond symmetric steganography; watermarking: proving ownership, detection and decoding, embedding techniques, new designs and applications, improving robustness, software protection; separating private and public information; and stego-engineering.

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501

Publisher

Springer Science & Business Media

Published Date

ISBN 10

354067182X

ISBN 13

9783540671824

Cryptographic Primitives in Blockchain Technology

A mathematical introduction

By: Andreas Bolfing

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Cryptographic Primitives in Blockchain Technology

A mathematical introduction

By: Andreas Bolfing

Many online applications, especially in the financial industries, are running on blockchain technologies in a decentralized manner, without the use of an authoritative entity or a trusted third party. Such systems are only secured by cryptographic protocols and a consensus mechanism. As blockchain-based solutions will continue to revolutionize online applications in a growing digital market in the future, one needs to identify the principal opportunities and potential risks. Hence, it is unavoidable to learn the mathematical and cryptographic procedures behind blockchain technology in order to understand how such systems work and where the weak points are. Cryptographic Primitives in Blockchain Technology provides an introduction to the mathematical and cryptographic concepts behind blockchain technologies and shows how they are applied in blockchain-based systems. This includes an introduction to the general blockchain technology approaches that are used to build the so-called immutable ledgers, which are based on cryptographic signature schemes. As future quantum computers will break some of the current cryptographic primitive approaches, Andreas Bolfing considers their security and presents the current research results that estimate the impact on blockchain-based systems if some of the cryptographic primitive break. Based on the example of Bitcoin, he shows that weak cryptographic primitives pose a possible danger for the ledger, which can be overcome through the use of the so-called post-quantum cryptographic approaches.

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343

Publisher

Oxford University Press

Published Date

ISBN 10

0192607634

ISBN 13

9780192607638

The CHORCH Approach: How to Model B2Bi Choreographies for Orchestration Execution

By: Andreas Schönberger

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The CHORCH Approach: How to Model B2Bi Choreographies for Orchestration Execution

By: Andreas Schönberger

The establishment and implementation of cross-organizational business processes is an implication of today's market pressure for efficiency gains. In this context, Business-To-Business integration (B2Bi) focuses on the information integration aspects of business processes. A core task of B2Bi is providing adequate models that capture the message exchanges between integration partners. Following the terminology used in the SOA domain, such models will be called choreographies in the context of this work. Despite the enormous economic importance of B2Bi, existing choreography languages fall short of fulfilling all relevant requirements of B2Bi scenarios. Dedicated B2Bi choreography standards allow for inconsistent outcomes of basic interactions and do not provide unambiguous semantics for advanced interaction models. In contrast to this, more formal or technical choreography languages may provide unambiguous modeling semantics, but do not offer B2Bi domain concepts or an adequate level of abstraction. Defining valid and complete B2Bi choreography models becomes a challenging task in the face of these shortcomings. At the same time, invalid or underspecified choreography definitions are particularly costly considering the organizational setting of B2Bi scenarios. Models are not only needed to bridge the typical gap between business and IT, but also as negotiation means among the business users of the integration partners on the one hand and among the IT experts of the integration partners on the other. Misunderstandings between any two negotiation partners potentially affect the agreements between all other negotiation partners.

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404

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University of Bamberg Press

Published Date

ISBN 10

3863090772

ISBN 13

9783863090777

Information Hiding

Third International Workshop, IH'99, Dresden, Germany, September 29 - October 1, 1999 Proceedings

By: Andreas Pfitzmann

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Information Hiding

Third International Workshop, IH'99, Dresden, Germany, September 29 - October 1, 1999 Proceedings

By: Andreas Pfitzmann

Average ratings

N/A

Write a review

Solve jigsaw puzzle

Age

Page Count

501

Publisher

Springer Science & Business Media

Published Date

ISBN 10

354067182X

ISBN 13

9783540671824

Book's by Andreas Pfitzmann

Information Hiding

Information Hiding

Cryptographic Primitives in Blockchain Technology

Cryptographic Primitives in Blockchain Technology

The CHORCH Approach: How to Model B2Bi Choreographies for Orchestration Execution

The CHORCH Approach: How to Model B2Bi Choreographies for Orchestration Execution

Information Hiding

Information Hiding

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