9 papers · 1 filter
Towards Tracking Data Flows in Cloud Architectures
Immanuel Kunz, Valentina Casola, Angelika Schneider +2
As cloud services become central in an increasing number of applications, they process and store more personal and business-critical data. At the same time, privacy and compliance…
liOS: Lifting iOS apps for fun and profit
Julian Schütte, Dennis Titze
Although iOS is the second most popular mobile operating system and is often considered the more secure one, approaches to automatically analyze iOS applications are scarce and gen…
ZKlaims: Privacy-preserving Attribute-based Credentials using Non-interactive Zero-knowledge Techniques
Martin Schanzenbach, Thomas Kilian, Julian Schütte +1
In this paper we present ZKlaims: a system that allows users to present attribute-based credentials in a privacy-preserving way. We achieve a zero-knowledge property on the basis o…
Annotary: A Concolic Execution System for Developing Secure Smart Contracts
Konrad Weiss, Julian Schütte
Ethereum smart contracts are executable programs, deployed on a peer-to-peer network and executed in a consensus-based fashion. Their bytecode is public, immutable and once deploye…
Practical Decentralized Attribute-Based Delegation using Secure Name Systems
Martin Schanzenbach, Christian Banse, Julian Schütte
Identity and trust in the modern Internet are centralized around an oligopoly of identity service providers consisting solely of major tech companies. The problem with centralizing…
reclaimID: Secure, Self-Sovereign Identities using Name Systems and Attribute-Based Encryption
Martin Schanzenbach, Georg Bramm, Julian Schütte
In this paper we present reclaimID: An architecture that allows users to reclaim their digital identities by securely sharing identity attributes without the need for a centralised…