117 citations · 266 across the 7 of their papers we have counts for
5 papers · 1 filter
One (Thread) Can Keep a (PRNG) Secret, but not Two
Ehood Porat, Amit Klein, Benny Pinkas
We present a novel, practical attack on the IPv6 Fragment ID generation algorithm of XNU, which is the kernel used by Apple products such as macOS and iOS. This attack exploits a r…
ScionFL: Efficient and Robust Secure Quantized Aggregation
Yaniv Ben-Itzhak, Helen Möllering, Benny Pinkas +7
Secure aggregation is commonly used in federated learning (FL) to alleviate privacy concerns related to the central aggregator seeing all parameter updates in the clear. Unfortunat…
Privacy-Preserving Epidemiological Modeling on Mobile Graphs
Daniel Günther, Marco Holz, Benjamin Judkewitz +4
The latest pandemic COVID-19 brought governments worldwide to use various containment measures to control its spread, such as contact tracing, social distance regulations, and curf…
From IP ID to Device ID and KASLR Bypass (Extended Version)
Amit Klein, Benny Pinkas
IP headers include a 16-bit ID field. Our work examines the generation of this field in Windows (versions 8 and higher), Linux and Android, and shows that the IP ID field enables r…
The Circle Game: Scalable Private Membership Test Using Trusted Hardware
Sandeep Tamrakar, Jian Liu, Andrew Paverd +3
Malware checking is changing from being a local service to a cloud-assisted one where users' devices query a cloud server, which hosts a dictionary of malware signatures, to check…