| /* Copyright (c) 2015, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <openssl/curve25519.h> |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "internal.h" |
| |
| |
| namespace bssl { |
| |
| static const struct argument kArguments[] = { |
| { |
| "-out-public", kRequiredArgument, "The file to write the public key to", |
| }, |
| { |
| "-out-private", kRequiredArgument, |
| "The file to write the private key to", |
| }, |
| { |
| "", kOptionalArgument, "", |
| }, |
| }; |
| |
| struct FileCloser { |
| void operator()(FILE *file) { |
| fclose(file); |
| } |
| }; |
| |
| using ScopedFILE = std::unique_ptr<FILE, FileCloser>; |
| |
| static bool WriteToFile(const std::string &path, const uint8_t *in, |
| size_t in_len) { |
| ScopedFILE file(fopen(path.c_str(), "wb")); |
| if (!file) { |
| fprintf(stderr, "Failed to open '%s': %s\n", path.c_str(), strerror(errno)); |
| return false; |
| } |
| if (fwrite(in, in_len, 1, file.get()) != 1) { |
| fprintf(stderr, "Failed to write to '%s': %s\n", path.c_str(), |
| strerror(errno)); |
| return false; |
| } |
| return true; |
| } |
| |
| bool GenerateEd25519Key(const std::vector<std::string> &args) { |
| std::map<std::string, std::string> args_map; |
| |
| if (!ParseKeyValueArguments(&args_map, args, kArguments)) { |
| PrintUsage(kArguments); |
| return false; |
| } |
| |
| uint8_t public_key[32], private_key[64]; |
| ED25519_keypair(public_key, private_key); |
| |
| return WriteToFile(args_map["-out-public"], public_key, sizeof(public_key)) && |
| WriteToFile(args_map["-out-private"], private_key, |
| sizeof(private_key)); |
| } |
| |
| } // namespace bssl |