68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
/**
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* @file HASHCrypt.cpp
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* @brief HASHCrypt class definitions
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* @author manzerbredes
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* @date 8 Mars 2015
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*
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* Contain all definitions of HASHCrypt class.
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*
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*/
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#include "HASHCrypt.hpp"
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//Constructor
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HASHCrypt::HASHCrypt(){
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}
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//Destructor
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HASHCrypt::~HASHCrypt(){
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}
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void HASHCrypt::getMD5_128(std::string chain, byte* digest, int size){
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//Digest size controller
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this->checkDigestSize(CryptoPP::Weak1::MD5::DIGESTSIZE,size);
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//Create the MD5 on digest parameter
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CryptoPP::Weak1::MD5 hash;
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hash.CalculateDigest( digest, (byte*) chain.c_str(), chain.length() );
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}
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void HASHCrypt::getSHA_256(std::string chain, byte* digest, int size){
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//Digest size controller
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this->checkDigestSize(CryptoPP::SHA256::DIGESTSIZE,size);
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//Create the SHA-256 on digest parameter
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CryptoPP::SHA256 hash;
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hash.CalculateDigest( digest, (byte*) chain.c_str(), chain.length() );
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}
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void HASHCrypt::checkDigestSize(int sizeRequired, int size){
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try{
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if(size !=sizeRequired){
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throw this->getInvalidDigestSizeError(sizeRequired, size);
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}
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}
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catch(std::string erreur){
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std::cerr << erreur <<std::endl;
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std::exit(EXIT_FAILURE);
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}
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}
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std::string HASHCrypt::getInvalidDigestSizeError(int sizeRequired, int size){
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std::ostringstream erreurStream;
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erreurStream << "Invalid digest size ! ("<< sizeRequired <<" bytes required and "<< size <<" given)";
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return erreurStream.str();
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}
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