signer.h

#ifndef IOTEX_SIGNER_H
#define IOTEX_SIGNER_H
 
#include "IoTeXConstants.h"
#include "IoTeXResultCodes.h"
#include <stddef.h>
#include <stdint.h>
 
namespace iotex
{
class Signer
{
  public:
    void getHash(const uint8_t* pData, size_t size, uint8_t hash[IOTEX_HASH_SIZE]);
    void getEthereumMessageHash(const uint8_t* pMsg, size_t length, uint8_t hash[IOTEX_HASH_SIZE]);
 
    void getPublicKey(const uint8_t privateKey[IOTEX_PRIVATE_KEY_SIZE],
                      uint8_t publicKey[IOTEX_PUBLIC_KEY_SIZE]);
 
    ResultCode getSignature(const uint8_t* data, size_t size,
                            const uint8_t private_key[IOTEX_PRIVATE_KEY_SIZE],
                            uint8_t signature[IOTEX_SIGNATURE_SIZE]);
 
    ResultCode signHash(const uint8_t hash[IOTEX_HASH_SIZE],
                        const uint8_t private_key[IOTEX_PRIVATE_KEY_SIZE],
                        uint8_t signature[IOTEX_SIGNATURE_SIZE]);
 
    void signMessage(const uint8_t* message, size_t size,
                     const uint8_t privateKey[IOTEX_PRIVATE_KEY_SIZE],
                     uint8_t signature[IOTEX_SIGNATURE_SIZE]);
 
    ResultCode hex2str(const uint8_t* hex, size_t hex_size, char* str, size_t str_size);
    ResultCode str2hex(const char* str, uint8_t* hex, size_t size);
 
  private:
};
} // namespace iotex
 
extern iotex::Signer signer;
 
#endif