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Posts tagged #OSCORE

@chrysn.chaos.social.ap.brid.gy

7 months ago

Ascon-AEAD128 for JOSE and COSE This document describes JSON Object Signing and Encryption (JOSE) and CBOR Object Signing and Encryption (COSE) serializations with Ascon which received a lot of attention in the area of lightweight cryptography. In 2019, as a part of CAESAR competition, Ascon-128 and Ascon-128a were selected as the first choice for the lightweight authenticated encryption [asconv1.2-caesar]. After, in 2023, National Institute of Standards and Technology (NIST) selected Ascon family of cryptographic algorithms to be the standard for lightweight cryptography [asconv1.2-nist]. This recognition makes it particularly interesting to use Ascon with COSE and JOSE structures. This document does not define any new cryptography, only serializations of existing cryptographic systems described in [NIST.SP.800-232].

… and #IETF is not far behind, with datatracker.ietf.org/doc/draft-ochkas-cose-as... almost ready to assign algorithm identifiers so this can be used in #OSCORE for #CoAP.

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