1 /*	$OpenBSD: curve25519-generic.c,v 1.2 2019/05/11 15:55:52 tb Exp $ */
2 /*
3  * Copyright (c) 2015, Google Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
14  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
15  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /*
19  * This code is mostly taken from the ref10 version of Ed25519 in SUPERCOP
20  * 20141124 (http://bench.cr.yp.to/supercop.html). That code is released as
21  * public domain but this file has the ISC license just to keep licencing
22  * simple.
23  *
24  * The field functions are shared by Ed25519 and X25519 where possible.
25  */
26 
27 #include "curve25519_internal.h"
28 
29 void
30 x25519_scalar_mult(uint8_t out[32], const uint8_t scalar[32],
31     const uint8_t point[32])
32 {
33 	x25519_scalar_mult_generic(out, scalar, point);
34 }
35