int
ndnsec_key_gen(int argc, char** argv)
{
using namespace ndn;
namespace po = boost::program_options;
std::string identityName;
bool isDefault = true;
char keyType = 'r';
std::string outputFilename;
po::options_description description("General Usage\n"
" ndnsec key-gen [-h] [-n] identity\n"
"General options");
description.add_options()
("help,h", "produce help message")
("identity,i", po::value<std::string>(&identityName),
"identity name, for example, /ndn/edu/ucla/alice")
("not_default,n",
"optional, if not specified, the target identity will be set as "
"the default identity of the system")
("dsk,d", "generate Data-Signing-Key (DSK) instead of the default Key-Signing-Key (KSK)")
("type,t", po::value<char>(&keyType)->default_value('r'),
"optional, key type, r for RSA key (default), e for ECDSA key")
// ("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;
}
if (vm.count("not_default") != 0)
isDefault = false;
bool isKsk = (vm.count("dsk") == 0);
KeyChain keyChain;
Name keyName;
try {
switch (keyType) {
case 'r':
keyName = keyChain.generateRsaKeyPair(Name(identityName), isKsk, RsaKeyParams().getKeySize());
break;
case 'e':
keyName = keyChain.generateEcdsaKeyPair(Name(identityName), isKsk,
EcdsaKeyParams().getKeySize());
break;
default:
std::cerr << "Unrecongized key type" << "\n";
std::cerr << description << std::endl;
return 1;
}
if (0 == keyName.size()) {
std::cerr << "Error: failed to generate key" << "\n";
return 1;
}
keyChain.setDefaultKeyNameForIdentity(keyName);
shared_ptr<security::v1::IdentityCertificate> identityCert = keyChain.selfSign(keyName);
if (isDefault)
keyChain.setDefaultIdentity(Name(identityName));
io::save(*identityCert, std::cout);
}
catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << std::endl;
}
return 0;
}
