How to Hide MetaData in MLS-Like Secure Group Messaging

Author:

Hashimoto Keitaro1,Katsumata Shuichi2,Prest Thomas3

Affiliation:

1. Tokyo Institute of Technology & AIST, Tokyo, Japan

2. AIST & PQShield Ltd., Tokyo, Japan

3. PQShield SAS, Paris, France

Funder

JSPS KAKENHI

JST AIP Acceleration Research

Publisher

ACM

Reference43 articles.

1. [n.d.]. Orbot: Proxy with Tor. https://guardianproject.info/apps/org.torproject. android/ https://guardianproject.info/apps/org.torproject.android/. [n.d.]. Orbot: Proxy with Tor. https://guardianproject.info/apps/org.torproject. android/ https://guardianproject.info/apps/org.torproject.android/.

2. 2018. Technology preview: Sealed sender for Signal. https://signal.org/blog/ sealed-sender/ https://signal.org/blog/sealed-sender/. 2018. Technology preview: Sealed sender for Signal. https://signal.org/blog/ sealed-sender/ https://signal.org/blog/sealed-sender/.

3. 2019. Technology Preview: Signal Private Group System. https://signal.org/ blog/signal-private-group-system/ https://signal.org/blog/signal-private-group-system/. 2019. Technology Preview: Signal Private Group System. https://signal.org/ blog/signal-private-group-system/ https://signal.org/blog/signal-private-group-system/.

4. Joël Alwen , Benedikt Auerbach , Miguel Cueto Noval , Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, and Michael Walter. 2022 . CoCoA: Concurrent Continuous Group Key Agreement . To appear at EUROCRYPT 2022. https: //www.iacr.org/cryptodb/data/paper.php?pubkey=31956. Joël Alwen, Benedikt Auerbach, Miguel Cueto Noval, Karen Klein, Guillermo Pascual-Perez, Krzysztof Pietrzak, and Michael Walter. 2022. CoCoA: Concurrent Continuous Group Key Agreement. To appear at EUROCRYPT 2022. https: //www.iacr.org/cryptodb/data/paper.php?pubkey=31956.

5. The Double Ratchet: Security Notions, Proofs, and Modularization for the Signal Protocol

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