WhatsUpp with sender keys? Analysis, improvements and security proofs

D Balbás, D Collins, P Gajland - … Conference on the Theory and Application …, 2023 - Springer
Developing end-to-end encrypted instant messaging solutions for group conversations is an
ongoing challenge that has garnered significant attention from practitioners and the …

Device-oriented group messaging: a formal cryptographic analysis of matrix'core

MR Albrecht, B Dowling, D Jones - 2024 IEEE Symposium on …, 2024 - ieeexplore.ieee.org
Focusing on its cryptographic core, we provide the first formal description of the Matrix
secure group messaging protocol. Observing that no existing secure messaging model in …

Design of an Efficient Distributed Delivery Service for Group Key Agreement Protocols

L Paillat, CL Ignat, D Frey, M Turuani… - … on Foundations and …, 2023 - Springer
End-to-end encrypted messaging applications such as Signal became widely popular
thanks to their capability to ensure the confidentiality and integrity of online communication …

Bots can Snoop: Uncovering and Mitigating Privacy Risks of Bots in Group Chats

KH Chou, YM Lin, YA Wang, JW Li, THJ Kim… - arXiv preprint arXiv …, 2024 - arxiv.org
New privacy concerns arise with chatbots on group messaging platforms. Chatbots may
access information beyond their intended functionalities, such as messages unintended for …

Discreet: distributed delivery service with context-aware cooperation

L Paillat, CL Ignat, D Frey, M Turuani… - Annals of …, 2024 - Springer
End-to-end encrypted messaging applications such as Signal became widely popular
thanks to their capability to ensure the confidentiality and integrity of online communication …

[PDF][PDF] Interoperability between messaging services secure–implementation of encryption

P Rösler, J Schwenk - Study for the Federal Network Agency, 2023 - roeslpa.de
Part 1: Real-World Crypto (Section 2) Here, the building blocks and constructions from
cryptographic applications deployed on a large scale are introduced. Encryption is the …