text: // Copyright (c) 2017-2018, The Xeonbit Project
  // 
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  // 
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  // 
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  // 
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  // 
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  
  #pragma once
  
  #include <cstddef>
  #include <string>
  
  #include "ringct/rctOps.h"
  #include "crypto/crypto.h"
  #include "cryptonote_basic/account.h"
  
  #include "device.hpp"
  
  namespace hw {
  
      void buffer_to_str(char *to_buff,  size_t to_len, const char *buff, size_t len) ;
      void log_hexbuffer(const std::string &msg,  const char* buff, size_t len);
      void log_message(const std::string &msg, const std::string &info );
  
      #ifdef WITH_DEVICE_LEDGER    
      namespace ledger {
  
          #ifdef DEBUG_HWDEVICE
          #define TRACK printf("file %s:%d\n",__FILE__, __LINE__)
          //#define TRACK MCDEBUG("ledger"," At file " << __FILE__ << ":" << __LINE__)
          //#define TRACK while(0);
  
          void decrypt(char* buf, size_t len) ;
          crypto::key_derivation decrypt(const crypto::key_derivation &derivation) ;
          cryptonote::account_keys decrypt(const cryptonote::account_keys& keys) ;
          crypto::secret_key decrypt(const crypto::secret_key &sec) ;
          rct::key  decrypt(const rct::key &sec);
          crypto::ec_scalar decrypt(const crypto::ec_scalar &res);
          rct::keyV decrypt(const rct::keyV &keys);
  
          void check32(const std::string &msg, const std::string &info, const char *h, const char *d, bool crypted=false);
          void check8(const std::string &msg, const std::string &info, const char *h, const char *d,  bool crypted=false);
  
          void set_check_verbose(bool verbose);
          #endif
      }
      #endif
  }
  