Ember: A Serverless Peer-to-Peer End-to-End Encrypted Messaging System over an IPv6 Mesh Network

Computer Science > Cryptography and Security [Submitted on 17 Mar 2026] Ember: A Serverless Peer-to-Peer End-to-End Encrypted Messaging System over an IPv6 Mesh Network Hamish Alsop, Leandros Maglaras, Naghmeh Moradpoor This paper presents Ember, a serverless peer-to-peer messaging system providing end-to-end encrypted communication over a decentralised IPv6 mesh network. Ember operates without central servers, enforces data minimisation through ciphertext-only local storage and time-based message expiration, and prioritises architectural clarity, explicit trust boundaries, and practical deployability on Android. The paper describes the system architecture, cryptographic design, network model, and security properties -- including dynamic testing results demonstrating that no plaintext is recoverable from captured network traffic -- and discusses limitations and future work Comments: 54 pages Subjects: Cryptography and Security (cs.CR) Cite as: arXiv:2603.16735 [cs.CR]   (or arXiv:2603.16735v1 [cs.CR] for this version)   https://doi.org/10.48550/arXiv.2603.16735 Focus to learn more Submission history From: Leandros Maglaras A [view email] [v1] Tue, 17 Mar 2026 16:18:03 UTC (595 KB) Access Paper: HTML (experimental) view license Current browse context: cs.CR < prev   |   next > new | recent | 2026-03 Change to browse by: cs References & Citations NASA ADS Google Scholar Semantic Scholar Export BibTeX Citation Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Demos Related Papers About arXivLabs Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)