XOCB: beyond-birthday-bound secure authenticated encryption mode with rate-one computation

DOI10.1007/978-3-031-30634-1_18zbMath1528.94032OpenAlexW4365807570MaRDI QIDQ6061533

Kazuhiko Minematsu, Jooyoung Lee, Seongha Hwang, Zhenzhen Bao, Byeonghak Lee, Akiko Inoue

Publication date: 8 December 2023

Published in: Advances in Cryptology – EUROCRYPT 2023 (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/978-3-031-30634-1_18

zbMATH Keywords

block cipherauthenticated encryptionOCBbeyond-birthday-bound security

Mathematics Subject Classification ID

Cryptography (94A60) Authentication, digital signatures and secret sharing (94A62)

Cites Work

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• Tweakable block ciphers
• Encrypt or decrypt -- to make a single-key beyond birthday secure nonce-based MAC
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• Proof of Mirror Theory for ξ _max = 2
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• Cryptanalysis of OCB2: attacks on authenticity and confidentiality
• Offset-based BBB-secure tweakable block-ciphers with updatable caches

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