gtank/ristretto255

Implements ristretto255, a fast prime-order group.

110

151 commits

updated Feb 19, 2026

ristretto.group

See the code

README

ristretto255

Package ristretto255 implements the group operations from RFC 9496, Section 4.3 and the scalar field from RFC 9496, Section 4.4.

Project health

Overall

2.9/10

Maintained

0/10

Code review

3/10

OpenSSF Scorecard

Go module

github.com/gtank/ristretto255

Latest release

v0.2.0 · Aug 6, 2025

Releases this year

Significant stargazers

Jonathan Rudenberg

729 followers · starred May 2019

David Buchanan

1,705 followers · starred Feb 2026

Ismail Khoffi

378 followers · starred Jun 2019

Ethan Buchman

655 followers · starred May 2019

Similar repos

bwesterb/go-ristretto

Pure Go implementation of the Ristretto prime-order group over Edwards25519

FiloSottile/edwards25519

filippo.io/edwards25519 — A safer, faster, and more powerful low-level edwards25519 Go…

188

FiloSottile/nistec

NIST P elliptic curves (re-exported from crypto/internal/nistec)

zkcrypto/group

Elliptic curve group traits and utilities.

103

oasisprotocol/curve25519-voi

High-performance Curve25519/ristretto255 for Go.

Consensys-Incorporated/gnark-crypto

gnark-crypto provides elliptic curve and pairing-based cryptography on BN, BLS12, BLS24 and BW6…

601

zkcrypto/ff

Traits and utilities for working with finite fields.

260

dalek-cryptography/curve25519-dalek

A pure-Rust implementation of group operations on Ristretto and Curve25519

1,202