sec-tpm-memory.hpp

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

#include "../common.hpp"
#include "sec-tpm.hpp"

struct rsa_st;

namespace ndn {

class SecTpmMemory : public SecTpm
{
public:
  class Error : public SecTpm::Error
  {
  public:
    explicit
    Error(const std::string& what)
      : SecTpm::Error(what)
    {
    }
  };

  virtual
  ~SecTpmMemory();

  /******************************
   * From TrustedPlatformModule *
   ******************************/

  virtual void
  setTpmPassword(const uint8_t* password, size_t passwordLength)
  {
  }

  virtual void
  resetTpmPassword()
  {
  }

  virtual void
  setInTerminal(bool inTerminal)
  {
    m_inTerminal = inTerminal;
  }

  virtual bool
  getInTerminal()
  {
    return m_inTerminal;
  }

  virtual bool
  locked()
  {
    return true;
  }

  virtual bool
  unlockTpm(const char* password, size_t passwordLength, bool usePassword)
  {
    return !locked();
  }

  virtual void
  generateKeyPairInTpm(const Name& keyName, KeyType keyType, int keySize);

  virtual shared_ptr<PublicKey>
  getPublicKeyFromTpm(const Name& keyName);

  virtual void
  deleteKeyPairInTpm(const Name& keyName);

  virtual Block
  signInTpm(const uint8_t* data, size_t dataLength,
            const Name& keyName, DigestAlgorithm digestAlgorithm);

  virtual ConstBufferPtr
  decryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric);

  virtual ConstBufferPtr
  encryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric);

  virtual void
  generateSymmetricKeyInTpm(const Name& keyName, KeyType keyType, int keySize);

  virtual bool
  doesKeyExistInTpm(const Name& keyName, KeyClass keyClass);

  virtual bool
  generateRandomBlock(uint8_t* res, size_t size);

  virtual void
  addAppToACL(const Name& keyName, KeyClass keyClass, const std::string& appPath, AclType acl)
  {
  }

  /******************************
   *   SecTpmMemory specific    *
   ******************************/

  void setKeyPairForKeyName(const Name& keyName,
                            const uint8_t* publicKeyDer, size_t publicKeyDerLength,
                            const uint8_t* privateKeyDer, size_t privateKeyDerLength);

protected:
  /******************************
   * From TrustedPlatformModule *
   ******************************/
  virtual ConstBufferPtr
  exportPrivateKeyPkcs1FromTpm(const Name& keyName);

  virtual bool
  importPrivateKeyPkcs1IntoTpm(const Name& keyName, const uint8_t* buf, size_t size);

  virtual bool
  importPublicKeyPkcs1IntoTpm(const Name& keyName, const uint8_t* buf, size_t size);


private:
  class RsaPrivateKey;

  typedef std::map<std::string, shared_ptr<PublicKey> >     PublicKeyStore;
  typedef std::map<std::string, shared_ptr<RsaPrivateKey> > PrivateKeyStore;

  PublicKeyStore  m_publicKeyStore;  
  PrivateKeyStore m_privateKeyStore; 
  bool m_inTerminal;
};

} // namespace ndn

#endif //NDN_SECURITY_SEC_TPM_MEMORY_HPP