Welcome to the resource topic for 2021/498
Title:
SoK: Multi-Device Secure Instant Messaging
Authors: Antonio Dimeo, Felix Gohla, Daniel Goßen, Niko Lockenvitz
Abstract:The secure multi-device instant messaging ecosystem is diverse, varied, and underrepresented in academia. We create a systematization of knowledge which focuses on the challenges of multi-device messaging in a secure context and give an overview of the current situation in the multi-device setting. For that, we analyze messenger documentation, white papers, and research that deals with multi-device messaging. This includes a detailed description of different patterns for data transfer between devices as well as device management, i.e. how clients are cryptographically linked or unlinked to or from an account and how the initial setup can be implemented. We then evaluate different instant messengers with regard to relevant criteria, e.g. whether they achieve specific security, usability, and privacy goals. In the end, we outline interesting areas for future research.
ePrint: https://eprint.iacr.org/2021/498
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