Cryptology ePrint Archive: Report 2020/444

A modern signature scheme with message recovery: Abe--Okamoto signatures with EdDSA elements

Satō Shinichi

Abstract: This paper revisits the Abe--Okamoto signature scheme to present a version of their signature scheme augmented with modern best practices, with major influences taken from EdDSA. Implementation guidance is given on how to reuse existing Ed25519 code.

Category / Keywords: public-key cryptography / digital signatures

Date: received 17 Apr 2020

Contact author: sato at airmail cc

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Version: 20200419:155443 (All versions of this report)

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