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Status:

INFORMATIONAL

Author:

D. Atkins

Stream:

INDEPENDENT

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DOI:  https://doi.org/10.17487/RFC9021

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Abstract

This document specifies the conventions for using the Walnut DigitalSignature Algorithm (WalnutDSA) for digital signatures with the CBORObject Signing and Encryption (COSE) syntax. WalnutDSA is alightweight, quantum-resistant signature scheme based on GroupTheoretic Cryptography with implementation and computationalefficiency of signature verification in constrained environments,even on 8- and 16-bit platforms.

The goal of this publication is to document a way to use thelightweight, quantum-resistant WalnutDSA signature algorithm in COSEin a way that would allow multiple developers to build compatibleimplementations. As of this publication, the security properties ofWalnutDSA have not been evaluated by the IETF and its use has notbeen endorsed by the IETF.

WalnutDSA and the Walnut Digital Signature Algorithm are trademarksof Veridify Security Inc.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.