International Association for Cryptologic Research

International Association
for Cryptologic Research

IACR News item: 05 July 2015

Daniel J. Bernstein, Simon Josefsson, Tanja Lange, Peter Schwabe, Bo-Yin Yang
ePrint Report ePrint Report
The original specification of EdDSA was suitable only for finite fields Fq with q mod 4 = 1. The main purpose of this document is to extend EdDSA to allow finite fields Fq with any odd q. This document also extends EdDSA to support prehashing, i.e., signing the hash of a message.

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