Sok: Content moderation for end-to-end encryption
S Scheffler, J Mayer - arXiv preprint arXiv:2303.03979, 2023 - arxiv.org
Popular messaging applications now enable end-to-end-encryption (E2EE) by default, and
E2EE data storage is becoming common. These important advances for security and privacy …
E2EE data storage is becoming common. These important advances for security and privacy …
End-to-End Secure Messaging with Traceability Only for Illegal Content
As end-to-end encrypted messaging services become widely adopted, law enforcement
agencies have increasingly expressed concern that such services interfere with their ability …
agencies have increasingly expressed concern that such services interfere with their ability …
Public verification for private hash matching
S Scheffler, A Kulshrestha… - 2023 IEEE Symposium on …, 2023 - ieeexplore.ieee.org
End-to-end encryption (E2EE) prevents online services from accessing user content. This
important security property is also an obstacle for content moderation methods that involve …
important security property is also an obstacle for content moderation methods that involve …
Robust, privacy-preserving, transparent, and auditable on-device blocklisting
With the accelerated adoption of end-to-end encryption, there is an opportunity to re-
architect security and anti-abuse primitives in a manner that preserves new privacy …
architect security and anti-abuse primitives in a manner that preserves new privacy …
Interoperability in end-to-end encrypted messaging
Abstract The Digital Markets Act (DMA) is a nascent European Union regulation adopted in
May 2022. One of its most controversial provisions is a requirement that so-called …
May 2022. One of its most controversial provisions is a requirement that so-called …
Private message franking with after opening privacy
I Leontiadis, S Vaudenay - International Conference on Information and …, 2023 - Springer
Grubbs et al. initiated the formal study of message franking protocols. This new type of
service launched by Facebook, allows the receiver in a secure messaging application to …
service launched by Facebook, allows the receiver in a secure messaging application to …
Asymmetric group message franking: Definitions and constructions
As online group communication scenarios become more and more common these years,
malicious or unpleasant messages are much easier to spread on the internet. Message …
malicious or unpleasant messages are much easier to spread on the internet. Message …
Traceable mixnets
We introduce the notion of\emph {traceable mixnets}. In a traditional mixnet, multiple mix-
servers jointly permute and decrypt a list of ciphertexts to produce a list of plaintexts, along …
servers jointly permute and decrypt a list of ciphertexts to produce a list of plaintexts, along …
Compactly committing authenticated encryption using encryptment and tweakable block cipher
S Hirose, K Minematsu - International Conference on Selected Areas in …, 2023 - Springer
Message franking is a feature of end-to-end encrypted messaging introduced by Facebook
that enables users to report abusive contents in a verifiable manner. Grubbs et al.(CRYPTO …
that enables users to report abusive contents in a verifiable manner. Grubbs et al.(CRYPTO …
" Is Reporting Worth the Sacrifice of Revealing What I've Sent?": Privacy Considerations When Reporting on {End-to-End} Encrypted Platforms
User reporting is an essential component of content moderation on many online platforms---
in particular, on end-to-end encrypted (E2EE) messaging platforms where platform …
in particular, on end-to-end encrypted (E2EE) messaging platforms where platform …