blob: 93e61d481bcec95c813f483f7ddfcd244e18bcbe [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Yingdi Yu <yingdi@cs.ucla.edu>
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#if 1
#include <stdexcept>
#endif
#include "../../util/logging.hpp"
#include <ndn-cpp/sha256-with-rsa-signature.hpp>
#include <ndn-cpp/security/security-exception.hpp>
#include <ndn-cpp/security/identity/identity-manager.hpp>
using namespace std;
using namespace ndn::ptr_lib;
namespace ndn {
Name
IdentityManager::createIdentity(const Name& identityName)
{
if (!identityStorage_->doesIdentityExist(identityName)) {
_LOG_DEBUG("Create Identity");
identityStorage_->addIdentity(identityName);
_LOG_DEBUG("Create Default RSA key pair");
Name keyName = generateRSAKeyPairAsDefault(identityName, true);
_LOG_DEBUG("Create self-signed certificate");
shared_ptr<Certificate> selfCert = selfSign(keyName);
_LOG_DEBUG("Add self-signed certificate as default");
addCertificateAsDefault(*selfCert);
return keyName;
}
else
throw SecurityException("Identity has already been created!");
}
Name
IdentityManager::generateRSAKeyPair(const Name& identityName, bool isKsk, int keySize)
{
Name keyName = generateKeyPair(identityName, isKsk, KEY_TYPE_RSA, keySize);
_LOG_DEBUG("OK2");
return keyName;
}
Name
IdentityManager::generateRSAKeyPairAsDefault(const Name& identityName, bool isKsk, int keySize)
{
Name keyName = generateKeyPair(identityName, isKsk, KEY_TYPE_RSA, keySize);
identityStorage_->setDefaultKeyNameForIdentity(keyName, identityName);
return keyName;
}
void
IdentityManager::setDefaultCertificateForKey(const Name& certificateName)
{
Name keyName = identityStorage_->getKeyNameForCertificate(certificateName);
if (!identityStorage_->doesKeyExist(keyName))
throw SecurityException("No corresponding Key record for certificaite!");
identityStorage_->setDefaultCertificateNameForKey (keyName, certificateName);
}
void
IdentityManager::addCertificateAsIdentityDefault(const Certificate& certificate)
{
identityStorage_->addCertificate(certificate);
Name keyName = identityStorage_->getKeyNameForCertificate(certificate.getName());
setDefaultKeyForIdentity(keyName);
setDefaultCertificateForKey(certificate.getName());
}
void
IdentityManager::addCertificateAsDefault(const Certificate& certificate)
{
identityStorage_->addCertificate(certificate);
setDefaultCertificateForKey(certificate.getName());
}
void
IdentityManager::signByCertificate(Data &data, const Name &certificateName, WireFormat& wireFormat)
{
Name keyName = identityStorage_->getKeyNameForCertificate(certificateName);
shared_ptr<PublicKey> publicKey = privateKeyStorage_->getPublicKey(keyName);
// For temporary usage, we support RSA + SHA256 only, but will support more.
data.setSignature(Sha256WithRsaSignature());
// Get a pointer to the clone which Data made.
Sha256WithRsaSignature *signature = dynamic_cast<Sha256WithRsaSignature*>(data.getSignature());
DigestAlgorithm digestAlgorithm = DIGEST_ALGORITHM_SHA256;
signature->getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
signature->getKeyLocator().setKeyName(certificateName);
// Omit the certificate digest.
signature->getKeyLocator().setKeyNameType((ndn_KeyNameType)-1);
// Ignore witness and leave the digestAlgorithm as the default.
signature->getPublisherPublicKeyDigest().setPublisherPublicKeyDigest(publicKey->getDigest());
// Encode once to get the signed portion.
SignedBlob encoding = data.wireEncode(wireFormat);
signature->setSignature
(privateKeyStorage_->sign(encoding.signedBuf(), encoding.signedSize(), keyName, digestAlgorithm));
// Encode again to include the signature.
data.wireEncode(wireFormat);
}
Name
IdentityManager::generateKeyPair (const Name& identityName, bool isKsk, KeyType keyType, int keySize)
{
_LOG_DEBUG("Get new key ID");
Name keyName = identityStorage_->getNewKeyName(identityName, isKsk);
_LOG_DEBUG("Generate key pair in private storage");
privateKeyStorage_->generateKeyPair(keyName.toUri(), keyType, keySize);
_LOG_DEBUG("Create a key record in public storage");
shared_ptr<PublicKey> publicKey = privateKeyStorage_->getPublicKey(keyName);
identityStorage_->addKey(keyName, keyType, publicKey->getKeyDer());
_LOG_DEBUG("OK");
return keyName;
}
shared_ptr<Certificate>
IdentityManager::selfSign (const Name& keyName)
{
#if 1
throw std::runtime_error("MemoryIdentityStorage::getNewKeyName not implemented");
#endif
}
}