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