[CFRG] NIST Workshop on the Requirements for an Accordion Cipher
John Mattsson <john.mattsson@ericsson.com> Wed, 05 June 2024 05:30 UTC
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From: John Mattsson <john.mattsson@ericsson.com>
To: "cfrg@ietf.org" <cfrg@ietf.org>
Thread-Topic: NIST Workshop on the Requirements for an Accordion Cipher
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Date: Wed, 05 Jun 2024 05:30:17 +0000
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Subject: [CFRG] NIST Workshop on the Requirements for an Accordion Cipher
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Hi, If anybody has missed it, there is still a week left to register to NIST's Workshop on Requirements for an Accordion Cipher. https://csrc.nist.gov/Events/2024/accordion-cipher-mode-workshop-2024 And a month left to provide comments on the requirements. https://csrc.nist.gov/pubs/other/2024/04/10/proposal-of-requirements-for-an-accordion-mode-dis/iprd I am very excited that NIST has started this work. There is soo much missing in current encryption algorithms from NIST and CFRG. Looking at properties of the derived funtions, I hope the outcome will be a Robust AE (RAE) with much better bounds than q^2 / 2^129, with commitment security of half the tag length, and with nonce-hiding and replay protection. https://eprint.iacr.org/2014/793.pdf I think a restiction to a mode of AES would mean much slower performance than AES-GCM and/or security restricted by the narrow 128-bit block width. But work in this area will likely trigger more research into faster schemes with similar properties. Cheers, John Preuß Mattsson
- [CFRG] NIST Workshop on the Requirements for an A… John Mattsson