Jens Hiller

Privacy-Preserving Remote Knowledge System

2019

More and more traditional services, such as malware detectors or collaboration services in industrial scenarios, move to the cloud. However, this behavior poses a risk for the privacy of clients since these services are able …

The Boon and Bane of Cross-Signing: Shedding Light on a Common Practice\n in Public Key Infrastructures

2020 · arXiv (Cornell University)

Public Key Infrastructures (PKIs) with their trusted Certificate Authorities\n(CAs) provide the trust backbone for the Internet: CAs sign certificates which\nprove the identity of servers, applications, or users. To be trusted by\noperating systems and browsers, a …