| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Package curve25519 provides an implementation of scalar multiplication on |
| // the elliptic curve known as curve25519. See https://cr.yp.to/ecdh.html |
| package curve25519 // import "golang.org/x/crypto/curve25519" |
| |
| // basePoint is the x coordinate of the generator of the curve. |
| var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} |
| |
| // 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 ScalarMult(dst, in, base *[32]byte) { |
| scalarMult(dst, in, base) |
| } |
| |
| // 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 ScalarBaseMult(dst, in *[32]byte) { |
| ScalarMult(dst, in, &basePoint) |
| } |