| Remote Access Control |

# createtxhex.cpp File Reference

## Detailed Description

Source file for a EEPROM image generator for RKE transmitter AVR.

- File: createtxhex.cpp
- Compiler: Any PC C++ Compiler
- AppNote: AVR411 - Secure Rolling Code Algorithm for Wireless Link

Author:
  Atmel Corporation: http://www.atmel.com
  Support email: avr@atmel.com

$Name$

Revision
  792

Date
  2006-10-09 10:36:07 +0200 (ma, 09 okt 2006)

Copyright (c) 2006, Atmel Corporation 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. The name of ATMEL may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ATMEL ``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 EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.

Definition in file createtxhex.cpp.

`#include "hexfile.h"`
`#include <sstream>`
`#include <iomanip>`
`#include <string>`
`#include <stdexcept>`
`#include <vector>`
`#include <fstream>`
`#include <algorithm>`

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## Data Structures
class | ParameterParser
| Class to parse and store command line parameters for this application. More...
## Functions
void | CreateHEXFile (const ParameterParser &parser)
int | main (size_t argc, const char **argv)

## Function Documentation

void CreateHEXFile | ( | const ParameterParser & | parser | ) |

This function creates a HEX file from parameters stored in a parameter parser object.

Definition at line 233 of file createtxhex.cpp.

References ParameterParser::GetCounterValue(), ParameterParser::GetFilename(), ParameterParser::GetSecretKey(), ParameterParser::GetSerialNo(), and ParameterParser::GetSharedKey().

Referenced by main().

    00234 {
    00235         HEXFile hexData;
    00236         std::ofstream outFile( parser.GetFilename().c_str() );
    00237
    00238         // Prepare serial number bytes.
    00239         HEXRecord serialNo;
    00240         std::vector< byte > serialNoReversed = parser.GetSerialNo();
    00241         std::reverse( serialNoReversed.begin(), serialNoReversed.end() );
    00242         serialNo << serialNoReversed;
    00243
    00244         // Prepare counter value bytes.
    00245         HEXRecord counterValue;
    00246         std::vector< byte > counterValueReversed = parser.GetCounterValue();
    00247         std::reverse( counterValueReversed.begin(), counterValueReversed.end() );
    00248         counterValue << counterValueReversed;
    00249
    00250         // Prepare secret key bytes.
    00251         HEXRecord secretKey;
    00252         secretKey << parser.GetSecretKey();
    00253
    00254         // Prepare shared key bytes.
    00255         HEXRecord sharedKey;
    00256         sharedKey << parser.GetSharedKey();
    00257
    00258         // Add records to HEX file.
    00259         hexData << serialNo << counterValue << secretKey << sharedKey;
    00260
    00261         // Write to disk.
    00262         outFile << hexData;
    00263 }

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int main | ( | size_t | argc,
|  | const char ** | argv |
| ) |  |  |

Definition at line 267 of file createtxhex.cpp.

References CreateHEXFile(), ParameterParser::GetCounterSize(), ParameterParser::GetCounterValueString(), ParameterParser::GetFilename(), ParameterParser::GetKeySize(), ParameterParser::GetSecretKeyString(), ParameterParser::GetSerialNoSize(), ParameterParser::GetSerialNoString(), and ParameterParser::GetSharedKeyString().

    00268 {
    00269         try {
    00270                 const std::string endian( " (Byte order reversed in HEX file)" );
    00271                 ParameterParser parser( argc, argv );
    00272                 std::cout << "Filename      : " << parser.GetFilename() << std::endl
    00273                         << "Key size      : " << parser.GetKeySize() << std::endl
    00274                         << "Serial no size: " << parser.GetSerialNoSize() << std::endl
    00275                         << "Counter size  : " << parser.GetCounterSize() << std::endl
    00276                         << "Shared key    : " << parser.GetSharedKeyString() << std::endl
    00277                         << "Secret key    : " << parser.GetSecretKeyString() << std::endl
    00278                         << "Serial no     : " << parser.GetSerialNoString() << endian << std::endl
    00279                         << "Counter value : " << parser.GetCounterValueString() << endian << std::endl;
    00280
    00281                 CreateHEXFile( parser );
    00282                 std::cout << std::endl << parser.GetFilename() << " created!" << std::endl;
    00283
    00284         } catch( const std::exception & e ) {
    00285                 std::cout << "Error: " << e.what() << std::endl;
    00286         } catch(...) {
    00287                 std::cout << "Unknown error" << std::endl;
    00288         }
    00289 }

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