etpm.h

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#ifndef __lib_base_etpm_h
#define __lib_base_etpm_h
 
#ifndef SWIG
#define TPMD_SOCKET "/var/run/tpmd_socket"
#endif
 
#include <string>
 
class eTPM
{
#ifndef SWIG
  int fd;
  unsigned char level2_cert[210];
  unsigned char level3_cert[210];
  bool level2_cert_read;
  bool level3_cert_read;
 
  enum tpmd_cmd {
    TPMD_CMD_RESERVED   = 0x0000,
    TPMD_CMD_GET_DATA   = 0x0001,
    TPMD_CMD_APDU     = 0x0002,
    TPMD_CMD_COMPUTE_SIGNATURE  = 0x0003,
    TPMD_CMD_APP_CERT   = 0x0004,
  };
 
  bool send_cmd(enum tpmd_cmd cmd, const void *data, size_t len);
  void *recv_cmd(unsigned int *tag, size_t *len);
  void parse_data(const unsigned char *data, size_t datalen);
 
#endif
public:
  eTPM();
  ~eTPM();
 
  enum cert_type {
    TPMD_DT_LEVEL2_CERT = 0x04,
    TPMD_DT_LEVEL3_CERT = 0x05,
    DT_LEVEL2_CERT = 0x04,
    DT_LEVEL3_CERT = 0x05
  };
  std::string getCert(cert_type type);
  std::string challenge(std::string rnd);
  std::string getData(cert_type type) { return getCert(type); };
  std::string computeSignature(const std::string &data) { return challenge(data); };
};
 
#endif // __lib_base_etpm_h