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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (c) 2013-2014, Regents of the University of California.
* All rights reserved.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*
* This file licensed under New BSD License. See COPYING for detailed information about
* ndn-cxx library copyright, permissions, and redistribution restrictions.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
*/
#ifndef NDNSEC_DSK_GEN_HPP
#define NDNSEC_DSK_GEN_HPP
#include "ndnsec-util.hpp"
int
ndnsec_dsk_gen(int argc, char** argv)
{
using namespace ndn;
namespace po = boost::program_options;
std::string identityName;
char keyType = 'r';
int keySize = 2048;
po::options_description description("General Usage\n ndnsec dsk-gen [-h] identity\nGeneral options");
description.add_options()
("help,h", "produce help message")
("identity,i", po::value<std::string>(&identityName), "identity name, for example, /ndn/ucla.edu/alice")
// ("type,t", po::value<char>(&keyType)->default_value('r'), "optional, key type, r for RSA key (default)")
// ("size,s", po::value<int>(&keySize)->default_value(2048), "optional, key size, 2048 (default)")
;
po::positional_options_description p;
p.add("identity", 1);
po::variables_map vm;
try
{
po::store(po::command_line_parser(argc, argv).options(description).positional(p).run(),
vm);
po::notify(vm);
}
catch (const std::exception& e)
{
std::cerr << "ERROR: " << e.what() << std::endl;
std::cerr << description << std::endl;
return 1;
}
if (vm.count("help") != 0)
{
std::cerr << description << std::endl;
return 0;
}
if (vm.count("identity") == 0)
{
std::cerr << "identity must be specified" << std::endl;
std::cerr << description << std::endl;
return 1;
}
shared_ptr<IdentityCertificate> kskCert;
Name signingCertName;
KeyChain keyChain;
Name defaultCertName = keyChain.getDefaultCertificateNameForIdentity(identityName);
bool isDefaultDsk = false;
if (defaultCertName.get(-3).toUri().substr(0,4) == "dsk-")
isDefaultDsk = true;
if (isDefaultDsk)
{
shared_ptr<IdentityCertificate> dskCert = keyChain.getCertificate(defaultCertName);
SignatureSha256WithRsa sha256sig(dskCert->getSignature());
Name keyLocatorName = sha256sig.getKeyLocator().getName(); // will throw exception if keylocator is absent or it is not a name
Name kskName = IdentityCertificate::certificateNameToPublicKeyName(keyLocatorName);
Name kskCertName = keyChain.getDefaultCertificateNameForKey(kskName);
signingCertName = kskCertName;
kskCert = keyChain.getCertificate(kskCertName);
}
else
{
signingCertName = defaultCertName;
kskCert = keyChain.getCertificate(defaultCertName);
}
if (!static_cast<bool>(kskCert))
{
std::cerr << "ERROR: no KSK certificate." << std::endl;
return 1;
}
Name newKeyName;
switch (keyType)
{
case 'r':
{
newKeyName = keyChain.generateRsaKeyPair(Name(identityName), false, keySize);
if (0 == newKeyName.size())
{
std::cerr << "fail to generate key!" << std::endl;
return 1;
}
break;
}
default:
std::cerr << "Unrecongized key type" << "\n";
std::cerr << description << std::endl;
return 1;
}
Name certName = newKeyName.getPrefix(-1);
certName.append("KEY")
.append(newKeyName.get(-1))
.append("ID-CERT")
.appendVersion();
shared_ptr<IdentityCertificate> certificate = make_shared<IdentityCertificate>();
certificate->setName(certName);
certificate->setNotBefore(kskCert->getNotBefore());
certificate->setNotAfter(kskCert->getNotAfter());
certificate->setPublicKeyInfo(*keyChain.getPublicKey(newKeyName));
const std::vector<CertificateSubjectDescription>& subList =
kskCert->getSubjectDescriptionList();
for (std::vector<CertificateSubjectDescription>::const_iterator it = subList.begin();
it != subList.end(); it++)
certificate->addSubjectDescription(*it);
certificate->encode();
keyChain.sign(*certificate, signingCertName);
keyChain.addCertificateAsIdentityDefault(*certificate);
return 0;
}
#endif //NDNSEC_DSK_GEN_HPP