Contact

University of Oldenburg Faculty II - Department of Computer Science Department Safety-Security-Interaction 26111 Oldenburg

Secretariat

Ingrid Ahlhorn

A03 2-208

+49 (0) 441 - 798 2426

Safety-Security-Interaction

Welcome to the Safety-Security-Interaction Group!

The Safety-Security-Interaction group is concerned with the development of theoretically sound technologies for maintaining the security of IT systems in the context of safety-critical systems and the Internet of Things. The focus is on the development of security solutions that are tailored to the context-specific conditions and that take into account various types of user-interaction as well as the functional safety of the to-be-protected systems.

News

Article at PST 2022

Our extension of the widely-known Zerocash cryptocurrency to allow for the auditability of transactions despite anonymity (in order to prevent money laundering) got accept at PST 2022!

Our paper „Balancing privacy and accountability in digital payment methods using zk-SNARKs” got accepted at PST 2022! In the paper, we describe an extension of the widely-known anonymous Zerocash cryptocurrency to allow for the auditability of anonymous transactions. Our approach is based in zero-knowledge proofs and enable fully anonymous transactions up until a certain amount of involved money in a certain pre-defined time period; going beyond this limit requires the inclusiong of auditable, encrypted transaction details. These details can then be decrypted by a group of „judges” (and only by those!). This allows for the prevent of certain types of money laundering.

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