cloudflare/circl

optimized verification for eddsa

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#107 opened on Apr 24, 2020

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enhancementgood first issuehelp wanted

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Description

In https://eprint.iacr.org/2020/454.pdf, Pornin describes a method for accelerating the calculation of EdDSAsignatures using lattice reduction.

It would be a good improvement this verification method for Ed25519 and Ed448 signatures.

Contributor guide

Research direction
Study the paper by Pornin (https://eprint.iacr.org/2020/454.pdf) to understand the lattice reduction technique for EdDSA verification. Then implement the optimized verification for Ed25519 and Ed448 in the circl library, ensuring it passes existing tests.
Tech stack
go
Domain
cryptography
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25