1 /* Copyright (c) 2015, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include <openssl/curve25519.h>
16
17 #include <errno.h>
18 #include <stdio.h>
19 #include <string.h>
20
21 #include "internal.h"
22
23
24 static const struct argument kArguments[] = {
25 {
26 "-out-public", kRequiredArgument, "The file to write the public key to",
27 },
28 {
29 "-out-private", kRequiredArgument,
30 "The file to write the private key to",
31 },
32 {
33 "", kOptionalArgument, "",
34 },
35 };
36
GenerateEd25519Key(const std::vector<std::string> & args)37 bool GenerateEd25519Key(const std::vector<std::string> &args) {
38 std::map<std::string, std::string> args_map;
39
40 if (!ParseKeyValueArguments(&args_map, args, kArguments)) {
41 PrintUsage(kArguments);
42 return false;
43 }
44
45 uint8_t public_key[32], private_key[64];
46 ED25519_keypair(public_key, private_key);
47
48 return WriteToFile(args_map["-out-public"], public_key) &&
49 WriteToFile(args_map["-out-private"], private_key);
50 }
51