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keyfile.cc
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keyfile.cc
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//
// Durbatuluk is Copyright (c) 2012 Joel Odom
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#include "keyfile.h"
#include "logger.h"
#include "utils.h"
#include <fstream>
/*static*/ bool KeyFile::WriteKeyFiles(const std::string& key_name, RSA* rsa)
{
RSAKey public_key, private_key;
std::string public_serialized, private_serialized;
// extract the public key
if (!Crypto::ExtractPublicRSAKey(rsa, &public_key))
{
Logger::LogMessage(ERROR, "KeyFile", "ExtractPublicRSAKey failed");
return false; // failure
}
if (!public_key.SerializeToString(&public_serialized))
{
Logger::LogMessage(ERROR, "KeyFile", "SerializeToString failed");
return false; // failure
}
// extract the private key
if (!Crypto::ExtractPrivateRSAKey(rsa, &private_key))
{
Logger::LogMessage(ERROR, "KeyFile", "ExtractPrivateRSAKey failed");
return false; // failure
}
if (!private_key.SerializeToString(&private_serialized))
{
Logger::LogMessage(ERROR, "KeyFile", "SerializeToString failed");
return false; // failure
}
// write the public key to a file
if (!Utils::WriteToFile(key_name + ".public", public_serialized))
{
Logger::LogMessage(ERROR, "KeyFile", "WriteToFile failed");
return false; // failure
}
// write the private key to a file
if (!Utils::WriteToFile(key_name + ".private", private_serialized))
{
Logger::LogMessage(ERROR, "KeyFile", "WriteToFile failed");
return false; // failure
}
return true; // success
}
/*static*/ bool KeyFile::ReadPublicKeyFile(
const std::string& key_name, RSAKey* key)
{
if (!ReadKeyFile(key_name + ".public", key))
{
Logger::LogMessage(ERROR, "KeyFile", "ReadKeyFile failed");
return false; // failure
}
if (key->has_d() || key->has_p() || key->has_q() || key->has_dmp1()
|| key->has_dmq1() || key->has_iqmp())
{
Logger::LogMessage(ERROR, "KeyFile", "private data in public key");
return false; // failure
}
return true; // success
}
/*static*/ bool KeyFile::ReadPrivateKeyFile(
const std::string& key_name, RSAKey* key)
{
return ReadKeyFile(key_name + ".private", key);
}
/*static*/ bool KeyFile::ReadKeyFile(const std::string& file_name, RSAKey* key)
{
std::ifstream in_file;
in_file.open(file_name, std::ios_base::in);
if (in_file.fail())
{
Logger::LogMessage(ERROR, "KeyFile", "failed to open input file");
return false; // failure
}
if (key->ParseFromIstream(&in_file))
{
Logger::LogMessage(DEBUG, "KeyFile", "ParseFromIstream succeeded");
}
else
{
Logger::LogMessage(ERROR, "KeyFile", "ParseFromIstream failed");
return false; // failure
}
in_file.close(); // does ParseFromIstream close in_file?
return true; // success
}