blob: cd88f7ee000560365da7aae63a70c82a16038390 [file] [log] [blame]
Jeff Thompsonc0573432013-09-19 17:41:36 -07001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
2/**
3 * Copyright (C) 2013 Regents of the University of California.
4 * @author: Yingdi Yu <yingdi@cs.ucla.edu>
5 * @author: Jeff Thompson <jefft0@remap.ucla.edu>
6 * See COPYING for copyright and distribution information.
7 */
8
Jeff Thompson25b4e612013-10-10 16:03:24 -07009#include <ndn-cpp/security//security-exception.hpp>
Jeff Thompsonc0573432013-09-19 17:41:36 -070010#include "../../c/util/crypto.h"
Jeff Thompson25b4e612013-10-10 16:03:24 -070011#include <ndn-cpp/security/certificate/public-key.hpp>
Jeff Thompsonc0573432013-09-19 17:41:36 -070012
13using namespace std;
14using namespace ndn::ptr_lib;
15
16namespace ndn {
17
18#if 0
19Ptr<der::DerNode>
20PublicKey::toDER()
21{
22 boost::iostreams::stream
23 <boost::iostreams::array_source> is (m_key.buf (), m_key.size ());
24
25 return der::DerNode::parse(reinterpret_cast<InputIterator &> (is));
26}
27#endif
28
29static int RSA_OID[] = { 1, 2, 840, 113549, 1, 1, 1 };
30
31shared_ptr<PublicKey>
32PublicKey::fromDer(const Blob& keyDer)
33{
34 // Use a temporary pointer since d2i updates it.
Jeff Thompson10ad12a2013-09-24 16:19:11 -070035 const uint8_t *derPointer = keyDer.buf();
Jeff Thompsonc0573432013-09-19 17:41:36 -070036 RSA *publicKey = d2i_RSA_PUBKEY(NULL, &derPointer, keyDer.size());
37 if (!publicKey)
38 throw UnrecognizedKeyFormatException("Error decoding public key DER");
39 RSA_free(publicKey);
40
41 return shared_ptr<PublicKey>(new PublicKey(OID(vector<int>(RSA_OID, RSA_OID + sizeof(RSA_OID))), keyDer));
42}
43
44Blob
45PublicKey::getDigest(DigestAlgorithm digestAlgorithm) const
46{
47 if (digestAlgorithm == DIGEST_ALGORITHM_SHA256) {
Jeff Thompson10ad12a2013-09-24 16:19:11 -070048 uint8_t digest[SHA256_DIGEST_LENGTH];
Jeff Thompsonc0573432013-09-19 17:41:36 -070049 ndn_digestSha256(keyDer_.buf(), keyDer_.size(), digest);
50
51 return Blob(digest, sizeof(digest));
52 }
53 else
54 throw UnrecognizedDigestAlgorithmException("Wrong format!");
55}
56
57}