4 papers
Credential Disclosure in (EU) Digital Identity Wallets: Privacy Risks and Practical Mitigations
Sheila Zingg, Daniele Lain, Yoshimichi Nakatsuka +3
The European Union will introduce the EUDI Wallet by late 2026, which allows users to hold digital credentials (i.e., representations of physical official identity documents) on th…
Gyokuro: Source-assisted Private Membership Testing using Trusted Execution Environments
Yoshimichi Nakatsuka, Nicolas Dutly, Kari Kostiainen +1
Private Membership Testing (PMT) protocols enable clients to verify whether a certain data item is included in a database without revealing the item to the database operator or oth…
URL Inspection Tasks: Helping Users Detect Phishing Links in Emails
Daniele Lain, Yoshimichi Nakatsuka, Kari Kostiainen +2
The most widespread type of phishing attack involves email messages with links pointing to malicious content. Despite user training and the use of detection techniques, these attac…
RA-WEBs: Remote Attestation for WEB services
Kosei Akama, Yoshimichi Nakatsuka, Korry Luke +2
Data theft and leakage, caused by external adversaries and insiders, demonstrate the need for protecting user data. Trusted Execution Environments (TEEs) offer a promising solution…