curve25519

Documentation

Overview

Package curve25519 provides an implementation of scalar multiplication on the elliptic curve known as curve25519. See https://cr.yp.to/ecdh.html

Index

• func Cv25519() elliptic.Curve
• func ScalarBaseMult(dst, in *[32]byte)
• func ScalarMult(dst, in, base *[32]byte)
• func ToCurve25519(cv elliptic.Curve) (cv25519Curve, bool)

Functions

func Cv25519

func Cv25519() elliptic.Curve

Cv25519 returns a Curve which (partially) implements Cv25519. Only ScalarMult and ScalarBaseMult are valid for this curve. Add and Double should not be used.

func ScalarBaseMult

func ScalarBaseMult(dst, in *[32]byte)

ScalarBaseMult sets dst to the product in*base where dst and base are the x coordinates of group points, base is the standard generator and all values are in little-endian form.

func ScalarMult

func ScalarMult(dst, in, base *[32]byte)

ScalarMult sets dst to the product in*base where dst and base are the x coordinates of group points and all values are in little-endian form.

func ToCurve25519

func ToCurve25519(cv elliptic.Curve) (cv25519Curve, bool)

ToCurve25519 casts given elliptic.Curve type to Curve25519 type, or returns nil, false if cast was unsuccessful.