6 citations · 10 across the 6 of their papers we have counts for
7 papers
KeyDroid: A Large-Scale Analysis of Secure Key Storage in Android Apps
Jenny Blessing, Ross J. Anderson, Alastair R. Beresford
Most contemporary mobile devices offer hardware-backed storage for cryptographic keys, user data, and other sensitive credentials. Such hardware protects credentials from extractio…
SoK: Web Authentication in the Age of End-to-End Encryption
Jenny Blessing, Daniel Hugenroth, Ross J. Anderson +1
The advent of end-to-end encrypted (E2EE) messaging and backup services has brought new challenges for usable authentication. Compared to regular web services, the nature of E2EE i…
When Vision Fails: Text Attacks Against ViT and OCR
Nicholas Boucher, Jenny Blessing, Ilia Shumailov +2
Text-based machine learning models are vulnerable to an emerging class of Unicode-based adversarial examples capable of tricking a model into misreading text with potentially disas…
One Protocol to Rule Them All? On Securing Interoperable Messaging
Jenny Blessing, Ross Anderson
European lawmakers have ruled that users on different platforms should be able to exchange messages with each other. Yet messaging interoperability opens up a Pandora's box of secu…
Threat Models over Space and Time: A Case Study of E2EE Messaging Applications
Partha Das Chowdhury, Maria Sameen, Jenny Blessing +5
Threat modelling is foundational to secure systems engineering and should be done in consideration of the context within which systems operate. On the other hand, the continuous ev…
You Really Shouldn't Roll Your Own Crypto: An Empirical Study of Vulnerabilities in Cryptographic Libraries
Jenny Blessing, Michael A. Specter, Daniel J. Weitzner
The security of the Internet rests on a small number of open-source cryptographic libraries: a vulnerability in any one of them threatens to compromise a significant percentage of…
Security Survey and Analysis of Vote-by-Mail Systems
Jenny Blessing, Julian Gomez, McCoy Patiño +1
Voting by mail has been gaining traction for decades in the United States and has emerged as the preferred voting method during the COVID-19 pandemic. In this paper, we examine the…