| Adam Langley | 124e52d | 2012-03-12 10:59:04 -0400 | [diff] [blame] | 1 | // Copyright 2012 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 curve25519 provides an implementation of scalar multiplication on |
| 6 | // the elliptic curve known as curve25519. See http://cr.yp.to/ecdh.html |
| David Symonds | 1fbbd62 | 2014-12-09 13:38:15 +1100 | [diff] [blame] | 7 | package curve25519 // import "golang.org/x/crypto/curve25519" |
| Adam Langley | 124e52d | 2012-03-12 10:59:04 -0400 | [diff] [blame] | 8 | |
| 9 | // basePoint is the x coordinate of the generator of the curve. |
| 10 | 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} |
| 11 | |
| 12 | // ScalarMult sets dst to the product in*base where dst and base are the x |
| 13 | // coordinates of group points and all values are in little-endian form. |
| 14 | func ScalarMult(dst, in, base *[32]byte) { |
| 15 | scalarMult(dst, in, base) |
| 16 | } |
| 17 | |
| 18 | // ScalarBaseMult sets dst to the product in*base where dst and base are the x |
| 19 | // coordinates of group points, base is the standard generator and all values |
| 20 | // are in little-endian form. |
| 21 | func ScalarBaseMult(dst, in *[32]byte) { |
| 22 | ScalarMult(dst, in, &basePoint) |
| 23 | } |
