Source file src/crypto/internal/fips140/edwards25519/doc.go
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.) 22 package edwards25519 23