Welcome to the resource topic for 2022/268
Title:
Efficient Schemes for Committing Authenticated Encryption
Authors: Mihir Bellare, Viet Tung Hoang
Abstract:This paper provides efficient authenticated-encryption (AE) schemes in which a ciphertext is a commitment to the key. These are extended, at minimal additional cost, to schemes where the ciphertext is a commitment to all encryption inputs, meaning key, nonce, associated data and message. Our primary schemes are modifications of GCM (for basic, unique-nonce AE security) and AES-GCM-SIV (for misuse-resistant AE security) and add both forms of commitment without any increase in ciphertext size. We also give more generic, but somewhat more costly, solutions.
ePrint: https://eprint.iacr.org/2022/268
Talk: https://www.youtube.com/watch?v=dZqEtrLh9aM
Slides: https://iacr.org/submit/files/slides/2022/eurocrypt/eurocrypt2022/174/slides.pptx
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