amazing-username
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
#include<iostream>
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#include<fstream>
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#include<sstream>
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#include<ios>
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#include<vector>
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#include"Decryption.h"
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#include"KeyRetrieval.h"
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Decryption::Decryption(const std::string& message)
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{
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this->message = message;
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setupMap();
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decryptMessage();
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}
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void Decryption::setDecryptedMessage(const std::string& message)
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{ this->decryptedMessage = message; }
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void Decryption::setMessage(const std::string& message)
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{ this->message = message; }
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void Decryption::decryptMessage()
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{
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std::fstream ioEvent{};
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ioEvent.open("encryptedFile.txt", std::ios::in);
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std::string messageToBeDecrypted{}, decryptedMessage{};
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while(ioEvent >> messageToBeDecrypted);
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ioEvent.close();
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for (auto indexOfChar = 0u; indexOfChar<messageToBeDecrypted.size(); indexOfChar+=5)
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{
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char cryptedKey[5]{};
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for (auto index = 0; index!=5; ++index)
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cryptedKey[index] = (messageToBeDecrypted.at(indexOfChar + index));
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decryptedMessage += decryptedCharacters[cstringToString(cryptedKey, 5)];
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}
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setDecryptedMessage(decryptedMessage);
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}
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std::string Decryption::getDecryptedMessage() const
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{ return decryptedMessage; }
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std::string Decryption::getMessage() const
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{ return message; }
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void Decryption::setupMap()
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{
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KeyRetrieval kr{};
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std::vector<std::string> k{kr.keyStructure()};
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std::vector<int> c{kr.codeCharacterStructure()};
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for (auto index = 0; index!=c.size(); ++index)
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decryptedCharacters[k[index]] = c[index];
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}
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std::string Decryption::cstringToString(char tmp[], const int& SIZE)
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{
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std::string tmpString{};
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std::stringstream cToS{};
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for (auto index = 0; index!=SIZE; ++index)
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cToS << tmp[index];
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cToS >> tmpString;
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return tmpString;
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}
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