Welcome to the resource topic for 2021/424
Title:
Security Analysis of SFrame
Authors: Takanori Isobe, Ryoma Ito, Kazuhiko Minematsu
Abstract:As people become more and more privacy conscious, the need for end-to-end encryption (E2EE) has become widely recognized. We study herein the security of SFrame, an E2EE mechanism recently proposed to the Internet Engineering Task Force for video/audio group communications over the Internet. Despite being a quite recent project, SFrame is going to be adopted by a number of real-world applications. We inspect the original specification of SFrame and find critical issues that will lead to impersonation (forgery) attacks with a practical complexity by a malicious group member. We also investigate the several publicly available SFrame implementations and confirm that this issue is present in these implementations.
ePrint: https://eprint.iacr.org/2021/424
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