Jiageng Chen

Quantum-Resistant Identity-Based Signature with Message Recovery and Proxy Delegation

2019 · Symmetry

Digital signature with proxy delegation, which is a secure ownership enforcement tool, allows an original signer to delegate signature rights to a third party called proxy, so that the proxy can sign messages on behalf …

Anonymous Asynchronous Ratchet Tree Protocol for Group Messaging

2021 · Sensors

Signal is the first application that applies the double ratchet for its end-to-end encryption protocol. The core of the double ratchet protocol is then applied in WhatsApp, the most popular messaging application around the world. …