Brokerage and market platform for personal data

Leistungen

Final research report on cryptographic protocols for privacy-preserving data markets and SSI systems

This document will provide the final overview of the advances of cryptographic schemes and protocols on endtoend secure data sharing authenticity preserving data analytics and privacypreserving SSI systems

KRAKEN marketplace testing and validation first report

First report describing bugs bug fixes and user feedback on both KRAKEN marketplaces

Initial communication, dissemination and standardization report

Initial summary of project communication dissemination and standardization activities during the reporting period incrementally

Ethical and legal management report

This deliverable will provide information and documentation regarding the compliance of the project research activities with applicable ethical and legal principles. These research activities include the conducting of pilots. It will also contain a data protection impact assessment of the KRAKEN technology and surrounding application

Third Advisory Board

Third Advisory Board meeting report

Final KRAKEN marketplace integrated architecture document

Final version of a formal description of the KRAKEN marketplace architecture including all modules and APIs with overall KRAKEN platform including the marketplace data models educational and biomedical scenario

Progress report on cryptographic protocols for privacy-preserving data markets and SSI systems

This document will provide an intermediate overview of the advances of cryptographic schemes and protocols on endtoend secure data sharing authenticity preserving data analytics and privacypreserving SSI systems

Initial communication report

Initial summary of project communication activities during the reporting period.

Ethical and legal requirement specification

This deliverable outlines the relevant ethical and legal requirements and implementation guidelines applicable to the KRAKEN technology.

First Advisory Board

First Advisory Board meeting report

Initial Pilot Marketplaces User stories

Initial version of report describing the KRAKEN educational and biomedical marketplace user stories

Second Advisory Board

Second Advisory Board meeting report

Ethical and Legal Framework Report

This deliverable will provide an overview and analysis of the ethical and legal frameworks applicable to the project in order to derive project-specific ethical and legal requirements in T7.2

Final Pilot Marketplaces User stories

Final version of the report describing the KRAKEN biomedical and education marketplace user stories

Initial KRAKEN marketplace integrated architecture document

Initial version of a formal description of the KRAKEN marketplace architecture including all modules and APIs with overall KRAKEN platform including the marketplace data models educational and biomedical scenario

Final communication, dissemination and standardization report

Final summary of project communication dissemination and standardization activities

Ethical and legal evaluation and recommendations

This deliverable evaluates the implementation of ethical and legal requirements and will develop policy recommendations based on identified gaps and lessons learned

KRAKEN marketplace testing and validation final report

Second report describing bugs bug fixes and user feedback on both KRAKEN marketplaces

Self sovereign identity solution. First release

This deliverable will be the first realise of the sub-components that compiles the Self Sovereign Identity Manager

Final Data model and ledger for biomedical marketplace release

Final release of biomedical and educational data model ledger integration layer.

Data model and ledger for biomedical marketplace First release

Initial release of biomedical and educational data model ledger integration layer.

Self sovereign identity solution. Final release

This deliverable will be the final realise of the sub-components that compiles the Self Sovereign Identity Manager

KRAKEN marketplaces first release

First release of the two pilot’s systems for testing

KRAKEN marketplaces final release

Second release of the two pilot’s systems for testing

Public project web presence

Public web presence with different section targeting different user groups and communities

Veröffentlichungen

Privacy-Preserving Analytics for Data Markets Using MPC

Autoren: Karl Koch, Stephan Krenn, Donato Pellegrino, Sebastian Ramacher
Veröffentlicht in: Privacy and Identity Management - 15th IFIP WG 9.2, 9.6/11.7, 11.6/SIG 9.2.2 International Summer School, Maribor, Slovenia, September 21–23, 2020, Revised Selected Papers, Ausgabe 619, 2021, Seite(n) 226-246, ISBN 978-3-030-72464-1
Herausgeber: Springer International Publishing
DOI: 10.1007/978-3-030-72465-8_13

CCA-Secure (Puncturable) KEMs from Encryption with Non-Negligible Decryption Errors

Autoren: Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks
Veröffentlicht in: Advances in Cryptology – ASIACRYPT 2020 - 26th International Conference on the Theory and Application of Cryptology and Information Security, Daejeon, South Korea, December 7–11, 2020, Proceedings, Part I, Ausgabe 12491, 2020, Seite(n) 159-190, ISBN 978-3-030-64836-7
Herausgeber: Springer International Publishing
DOI: 10.1007/978-3-030-64837-4_6

Updatable Signatures and Message Authentication Codes

Autoren: Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks, Erkan Tairi
Veröffentlicht in: Public-Key Cryptography – PKC 2021 - 24th IACR International Conference on Practice and Theory of Public Key Cryptography, Virtual Event, May 10–13, 2021, Proceedings, Part I, Ausgabe 12710, 2021, Seite(n) 691-723, ISBN 978-3-030-75244-6
Herausgeber: Springer International Publishing
DOI: 10.1007/978-3-030-75245-3_25

An Attack on Some Signature Schemes Constructed from Five-Pass Identification Schemes

Autoren: Daniel Kales, Greg Zaverucha
Veröffentlicht in: Cryptology and Network Security - 19th International Conference, CANS 2020, Vienna, Austria, December 14–16, 2020, Proceedings, Ausgabe 12579, 2020, Seite(n) 3-22, ISBN 978-3-030-65410-8
Herausgeber: Springer International Publishing
DOI: 10.1007/978-3-030-65411-5_1

KRAKEN: A Secure, Trusted, Regulatory-Compliant, and Privacy-Preserving Data Sharing Platform

Autoren: Silvia Gabrielli, Stephan Krenn, Donato Pellegrino, Juan Carlos Pérez Baún, Pilar Pérez Berganza, Sebastian Ramacher & Wim Vandevelde
Veröffentlicht in: Data Spaces ., 2022, ISBN 978-3-030-98635-3
Herausgeber: Springer
DOI: 10.1007/978-3-030-98636-0_6

Extending Expressive Access Policies with Privacy Features

Autoren: Stefan More, Sebastian Ramacher, Lukas Alber, Marco Herzl
Veröffentlicht in: TrustCom 2022, 2022
Herausgeber: IEEE

SSI Strong Authentication using a Mobile-Phone Identity Wallet

Autoren: Andreas Abraham, Christopher Schinnerl, Stefan More
Veröffentlicht in: SeCrypt 2021, 2021, Seite(n) 137-148, ISBN 978-989-758-524-1
Herausgeber: SECRPT

KRAKEN: A Privacy-Preserving Data Market for Authentic Data

Autoren: Karl Koch, Stephan Krenn, Tilen Marc, Stefan More, SebastianRamacher
Veröffentlicht in: ACM Data Economy 2022, 2022
Herausgeber: ACM
DOI: 10.1145/3565011.3569057

POSEIDON: A New Hash Function for Zero-Knowledge Proof Systems

Autoren: Lorenzo Grassi, Dmitry Khovratovich, Christian Rechberger, Arnab Roy, Markus Schofnegger
Veröffentlicht in: 30th USENIX Security Symposium (USENIX Security 21), 2021
Herausgeber: USENIX Association

Trust Me If You Can: Trusted Transformation Between (JSON) Schemas to Support Global Authentication of Education Credentials

Autoren: Stefan More, Peter Grassberger, Felix Hörandner, Andreas Abraham, Lukas Daniel Klausner
Veröffentlicht in: ICT Systems Security and Privacy Protection. SEC 2021. IFIP Advances in Information and Communication Technology, Ausgabe Vol 625, 2021, ISBN 978-3-030-78119-4
Herausgeber: Springer
DOI: 10.1007/978-3-030-78120-0_2

Lift-and-Shift - Obtaining Simulation Extractable Subversion and Updatable SNARKs Generically

Autoren: Behzad Abdolmaleki, Sebastian Ramacher, Daniel Slamanig
Veröffentlicht in: Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020, Seite(n) 1987-2005, ISBN 9781450370899
Herausgeber: ACM
DOI: 10.1145/3372297.3417228

Short-Lived Forward-Secure Delegation for TLS

Autoren: Lukas Alber, Stefan More, Sebastian Ramacher
Veröffentlicht in: Proceedings of the 2020 ACM SIGSAC Conference on Cloud Computing Security Workshop, 2020, Seite(n) 119-132, ISBN 9781450380843
Herausgeber: ACM
DOI: 10.1145/3411495.3421362

Updatable Trapdoor SPHFs: Modular Construction of Updatable Zero-Knowledge Arguments and More

Autoren: Behzad Abdolmaleki, Daniel Slamanig
Veröffentlicht in: Australasian Conference on Information Security and Privacy 2021, Ausgabe Information Security and Privacy. ACISP 2021. Lecture Notes in Computer Science, vol 13083, 2021
Herausgeber: Springer
DOI: 10.1007/978-3-030-90567-5_3

Privacy-Preserving eID Derivation to Self-Sovereign Identity Systems with Offline Revocation

Autoren: Andreas Abraham, Karl Koch, Stefan More, Sebastian Ramacher, Miha Stopar
Veröffentlicht in: TrustCom 2021, 2021
Herausgeber: IEEE

Offline-verifiable Data from Distributed Ledger-based Registries

Autoren: Stefan More, Jakob Heher, Clemens Walluschek
Veröffentlicht in: 19th International Conference on Security and Cryptography: SECRYPT 2022, 2022
Herausgeber: SCITEPRESS
DOI: 10.5220/0011327600003283

Banquet: Short and Fast Signatures from AES

Autoren: Carsten Baum, Cyprien Delpech de Saint Guilhem, Daniel Kales, Emmanuela Orsini, Peter Scholl, Greg Zaverucha
Veröffentlicht in: Public-Key Cryptography – PKC 2021. PKC 2021. Lecture Notes in Computer Science, Ausgabe Vol. 12710, 2021, Seite(n) 266--297, ISBN 978-3-030-75245-3
Herausgeber: Springer

A Verifiable Multiparty omputation Solver for the Linear Assignment Problem And Applications to Air Traffic Management

Autoren: Thomas Lorünser, Florian Wohner, Stephan Krenn
Veröffentlicht in: CCSW 2022, 2022
Herausgeber: ACM
DOI: 10.1145/3560810.3564263

Fine-Grained Forward Secrecy: Allow-List/Deny-List Encryption and Applications

Autoren: David Derler, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks
Veröffentlicht in: Financial Cryptography and Data Security – 25th International Conference, 2021
Herausgeber: Springer

YOU SHALL NOT COMPUTE on my Data: Access Policies for Privacy-Preserving Data Marketplaces and an Implementation for a Distributed Market using MPC

Autoren: Stefan More, Lukas Alber
Veröffentlicht in: The 17th International Conference on Availability, Reliability and Security (ARES 2022), 2022, ISBN 978-1-4503-9670-7
Herausgeber: ACM
DOI: 10.1145/3538969.3544445

Multi-Party Revocation in Sovrin: Performance through Distributed Trust

Autoren: Lukas Helminger, Daniel Kales, Sebastian Ramacher, Roman Walch
Veröffentlicht in: CT-RSA 2021, 2021
Herausgeber: Springer

Adapting the TPL Trust Policy Language for a Self-Sovereign Identity World

Autoren: Stefan More, Lukas Alber, Sebastian Mödersheim, Anders Schlichtkrull
Veröffentlicht in: Lecture Notes in Informatics: Open Identity Summit 2021, 2021
Herausgeber: GI

Issuer-Hiding Attribute-Based Credentials

Autoren: Jan Bobolz, Fabian Eidens, Stephan Krenn, Sebastian Ramacher, Kai Samelin
Veröffentlicht in: CANS 2021, 2021
Herausgeber: SPRINGER
DOI: 10.1007/978-3-030-92548-2_9

CRS-Updatable Asymmetric Quasi-Adaptive NIZK Arguments

Autoren: Behzad Abdolmaleki, Daniel Slamanig
Veröffentlicht in: INDOCRYPT 2022, 2022
Herausgeber: Springer
DOI: 10.1007/978-3-031-22912-1_1

Subversion-Resistant Quasi-adaptive NIZK and Applications to Modular Zk-SNARKs

Autoren: Behzad Abdolmaleki, Daniel Slamanig
Veröffentlicht in: CANS 2021, 2021
Herausgeber: Springer
DOI: 10.1007/978-3-030-92548-2_26

Efficient Lattice-Based Inner-Product Functional Encryption

Autoren: Jose Maria Bermudo Mera, Angshuman Karmakar, Tilen Marc, and Azam Soleimanian
Veröffentlicht in: Public-Key Cryptography – PKC 2022. PKC 2022. Lecture Notes in Computer Science, Ausgabe volume 13178, 2022, Seite(n) 163–193
Herausgeber: Springer
DOI: 10.1007/978-3-030-97131-1_6

The recent case law of the CJEU on (joint) controllership: have we lost the purpose of ‘purpose’?

Autoren: Ducuing, Charlotte; Schroers, Jessica
Veröffentlicht in: Computerrecht: Tijdschrift voor Informatica, Telecommunicatie en Recht, Ausgabe Vol. 2020; iss. 6;, 2020, Seite(n) pp. 424 - 429, ISSN 0771-7784
Herausgeber: Wolters Kluwer

Multidimensional Study on Users’ Evaluation of the KRAKEN Personal Data Sharing Platform

Autoren: Silvia Gabrielli, Silvia Rizzi, Oscar Mayora, Stefan More, Juan Carlos Perez Baun, Wim Vandevelde
Veröffentlicht in: Applied Sciences journal, Ausgabe Appl. Sci. 2022, 12(7), 3270, 2022, ISSN 2076-3417
Herausgeber: MDPI
DOI: 10.3390/app12073270

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