1// Copyright (c) 2021 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5// Package edwards25519 implements group logic for the twisted Edwards curve 6// 7// -x^2 + y^2 = 1 + -(121665/121666)*x^2*y^2 8// 9// This is better known as the Edwards curve equivalent to Curve25519, and is 10// the curve used by the Ed25519 signature scheme. 11// 12// Most users don't need this package, and should instead use crypto/ed25519 for 13// signatures, golang.org/x/crypto/curve25519 for Diffie-Hellman, or 14// github.com/gtank/ristretto255 for prime order group logic. 15// 16// However, developers who do need to interact with low-level edwards25519 17// operations can use filippo.io/edwards25519, an extended version of this 18// package repackaged as an importable module. 19// 20// (Note that filippo.io/edwards25519 and github.com/gtank/ristretto255 are not 21// maintained by the Go team and are not covered by the Go 1 Compatibility Promise.) 22package edwards25519 23