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