Jan 26, 2023 · We prove a multi-user security bound on the AEAD security of ChaCha20-Poly1305 and establish the tightness of each term in our bound through matching attacks.
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Nov 13, 2021 · In this presentation, we will show how we rectified this situation by proving a tight multi-user security bound on the AEAD security of ChaCha20 ...
ChaCha and Poly were designed separately and independently by Bernstein. They were combined into an AEAD scheme by Langley without security proof. The ...
This work proves a multi-user security bound on the AEAD security of ChaCha20-Poly1305 and establishes the tightness of each term in the authors' bound ...
This result matches the linear loss in the security bounds of many AEAD schemes, including AES-CCM [29], AES-GCM [23][24][25], and ChaCha20+Poly1305 [16, 37] ...
Nov 19, 2021 · ABSTRACT. The ChaCha20-Poly1305 AEAD scheme is being increasingly wid- ely deployed in practice. Practitioners need proven security bounds.
... of ... The ChaCha20-Poly1305 construction is generally secure in the standard model and the ideal permutation model, for the single- and multi-user setting.
Aug 22, 2024 · The Security of ChaCha20-Poly1305 in the Multi-User Setting. Jean Paul Degabriele, Jérôme Govinden, Felix Günther, K. Paterson. 2021 ...
Co-authors ; The Security of ChaCha20-Poly1305 in the Multi-User Setting. JP Degabriele, J Govinden, F Günther, KG Paterson. Proceedings of the 2021 ACM SIGSAC ...
This work proves a multi-user security bound on the AEAD security of ChaCha20-Poly1305 and establishes the tightness of each term in the authors' bound ...