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Akademický článek

P6V2G: a privacy-preserving V2G scheme for two-way payments and reputation

Autor: Rebecca Schwerdt, Matthias Nagel, Valerie Fetzer, Tobias Gräf, Andy Rupp

Publikováno v: Energy Informatics, Vol 2, Iss S1, Pp 1-21 (2019)

Abstract The number of electric vehicles (EVs) is steadily growing. This provides a promising opportunity for balancing the smart grid of the future, because vehicle-to-grid (V2G) systems can utilize the batteries of plugged-in EVs as much needed dis

Externí odkaz: https://doaj.org/article/20fd9febd8b24c6ba4028c83188ad276

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A Survey on Privacy-preserving Electronic Toll Collection Schemes for Intelligent Transportation Systems

Autor: Amirhossein Adavoudi Jolfaei, Abdelwahab Boualouache, Andy Rupp, Stefan Schiffner, Thomas Engel

As part of Intelligent Transportation Systems (ITS), Electronic toll collection (ETC) is a type of toll collection system (TCS) which is getting more and more popular as it can not only help to finance the government's road infrastructure but also it

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57ecc2b1be4f317e76aefad40f56523a
http://orbilu.uni.lu/handle/10993/55243

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P4TC—Provably-Secure yet Practical Privacy-Preserving Toll Collection

Autor: Matthias Nagel, Valerie Fetzer, Rebecca Schwerdt, Andy Rupp, Max Hoffmann

Publikováno v: Proceedings on Privacy Enhancing Technologies, Vol 2020, Iss 3, Pp 62-152 (2020)
Proceedings on privacy enhancing technologies, 2020 (3), 62-152

Electronic toll collection (ETC) is widely used all over the world not only to finance our road infrastructures, but also to realize advanced features like congestion management and pollution reduction by means of dynamic pricing. Unfortunately, exis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19afec1ce5324d8a5e458f898f3da627
https://doaj.org/article/0e7daa6671c241c2b63873d42d76602c

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Black-Box Wallets: Fast Anonymous Two-Way Payments for Constrained Devices

Autor: Andy Rupp, Markus Raiber, Max Hoffmann, Michael Klooß

Publikováno v: Proceedings on Privacy Enhancing Technologies, Vol 2020, Iss 1, Pp 165-194 (2020)
Proceedings on privacy enhancing technologies, 2020 (1), 165–194

Black-box accumulation (BBA) is a building block which enables a privacy-preserving implementation of point collection and redemption, a functionality required in a variety of user-centric applications including loyalty programs, incentive systems, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::115589d9f7bbd7930f6d4626b15e17cb
https://doi.org/10.2478/popets-2020-0010

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PUBA: Privacy-Preserving User-Data Bookkeeping and Analytics

Autor: Valerie Fetzer, Marcel Keller, Sven Maier, Markus Raiber, Andy Rupp, Rebecca Schwerdt

Publikováno v: Proceedings on Privacy Enhancing Technologies, 2022 (2), 447–516

In this paper we propose Privacy-preserving User-data Bookkeeping & Analytics (PUBA), a building block destined to enable the implementation of business models (e.g., targeted advertising) and regulations (e.g., fraud detection) requiring user-data a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45f4c454394ecdf4c81d16d03e78a982
https://publikationen.bibliothek.kit.edu/1000143837

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Onion Routing with Replies

Autor: Christiane Kuhn, Dennis Hofheinz, Andy Rupp, Thorsten Strufe

Publikováno v: Lecture Notes in Computer Science, 13091
Advances in Cryptology – ASIACRYPT 2021
Lecture Notes in Computer Science ISBN: 9783030920746

Onion routing (OR) protocols are a crucial tool for providing anonymous internet communication. An OR protocol enables a user to anonymously send requests to a server. A fundamental problem of OR protocols is how to deal with replies: ideally, we wou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c28a35cc48c908977a3c5acfaa9ffe0
https://hdl.handle.net/20.500.11850/520677

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P6V2G: A Privacy-preserving V2G Scheme for Two-way Payments and Reputation

Autor: Matthias Nagel, Andy Rupp, Valerie Fetzer, Tobias Gräf, Rebecca Schwerdt

Publikováno v: Energy informatics, 2 (S1), Article number: 32
Energy Informatics, Vol 2, Iss S1, Pp 1-21 (2019)

The number of electric vehicles (EVs) is steadily growing. This provides a promising opportunity for balancing the smart grid of the future, because vehicle-to-grid (V2G) systems can utilize the batteries of plugged-in EVs as much needed distributed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3db54e6567a51b62d6a7408544b3bfe2

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(R)CCA Secure Updatable Encryption with Integrity Protection

Autor: Anja Lehmann, Michael Klooß, Andy Rupp

Publikováno v: Lecture Notes in Computer Science
Lecture Notes in Computer Science-Advances in Cryptology – EUROCRYPT 2019
Advances in Cryptology – EUROCRYPT 2019-38th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Darmstadt, Germany, May 19–23, 2019, Proceedings, Part I
Advances in Cryptology – EUROCRYPT 2019 ISBN: 9783030176525
EUROCRYPT (1)

An updatable encryption scheme allows a data host to update ciphertexts of a client from an old to a new key, given so-called update tokens from the client. Rotation of the encryption key is a common requirement in practice in order to mitigate the i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f1d9327d44b438c6196fae6ca0bd7d4
http://orbilu.uni.lu/handle/10993/50226

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Efficient Zero-Knowledge Arguments in the Discrete Log Setting, Revisited

Autor: Max Hoffmann, Andy Rupp, Michael Klooß

Publikováno v: CCS

Zero-knowledge arguments have become practical, and widely used, especially in the world of Blockchain, for example in Zcash. This work revisits zero-knowledge proofs in the discrete logarithm setting. First, we identify and carve out basic technique

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56222411ba4b1ec74a584a848648a419
http://orbilu.uni.lu/handle/10993/50224

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Black-Box Accumulation: Collecting Incentives in a Privacy-Preserving Way

Autor: Tibor Jager, Andy Rupp

Publikováno v: Proceedings on Privacy Enhancing Technologies, Vol 2016, Iss 3, Pp 62-82 (2016)

We formalize and construct black-box accumulation (BBA), a useful building block for numerous important user-centric protocols including loyalty systems, refund systems, and incentive systems (as, e.g., employed in participatory sensing and vehicle-t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aec5580bbf21b66acf6affdf3062f75
https://doaj.org/article/cf68b682f3754cee929c302c688b92af

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