private-key-storage.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_PRIVATE_KEY_STORAGE_HPP
#define NDN_PRIVATE_KEY_STORAGE_HPP

#include <string>
#include "../../encoding/oid.hpp"
#include "../../util/blob.hpp"
#include "../certificate/public-key.hpp"
#include "../security-common.hpp"
#include "../key-params.hpp"
#include "../../name.hpp"

struct ec_key_st;

namespace ndn {

class DerNode;

class PrivateKeyStorage {
public:
  virtual
  ~PrivateKeyStorage() {}

  virtual void
  generateKeyPair(const Name& keyName, const KeyParams& params) = 0;

  virtual void
  deleteKeyPair(const Name& keyName) = 0;

  virtual ptr_lib::shared_ptr<PublicKey>
  getPublicKey(const Name& keyName) = 0;

  virtual Blob
  sign(const uint8_t *data, size_t dataLength, const Name& keyName, DigestAlgorithm digestAlgorithm = DIGEST_ALGORITHM_SHA256) = 0;

  Blob
  sign(const Blob& data, const Name& keyName, DigestAlgorithm digestAlgorithm = DIGEST_ALGORITHM_SHA256)
  {
    return sign(data.buf(), data.size(), keyName, digestAlgorithm);
  }

  virtual Blob
  decrypt(const Name& keyName, const uint8_t* data, size_t dataLength, bool isSymmetric = false) = 0;

  Blob
  decrypt(const Name& keyName, const Blob& data, bool isSymmetric = false)
  {
    return decrypt(keyName, data.buf(), data.size(), isSymmetric);
  }

  virtual Blob
  encrypt(const Name& keyName, const uint8_t* data, size_t dataLength, bool isSymmetric = false) = 0;

  Blob
  encrypt(const Name& keyName, const Blob& data, bool isSymmetric = false)
  {
    return encrypt(keyName, data.buf(), data.size(), isSymmetric);
  }

  virtual void
  generateKey(const Name& keyName, const KeyParams& params) = 0;

  virtual bool
  doesKeyExist(const Name& keyName, KeyClass keyClass) = 0;

protected:
  static Blob
  encodePkcs8PrivateKey
    (const std::vector<uint8_t>& privateKeyDer, const OID& oid,
     const ptr_lib::shared_ptr<DerNode>& parameters);

  static Blob
  encodeSubjectPublicKeyInfo
    (const OID& oid, const ptr_lib::shared_ptr<DerNode>& parameters,
     const ptr_lib::shared_ptr<DerNode>& bitString);

  static ec_key_st*
  decodeEcPrivateKey
    (const ptr_lib::shared_ptr<DerNode>& algorithmParameters,
     const Blob& privateKeyDer);
};

}

#endif