amazing-username
56 lines
1.4 KiB
C++
56 lines
1.4 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"Conversions.h"
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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) { this->decryptedMessage = message; }
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void Decryption::setMessage(const std::string& message) { 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!=keyLength; ++index)
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cryptedKey[index] = (messageToBeDecrypted.at(indexOfChar + index));
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Conversions cnvert;
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decryptedMessage += decryptedCharacters[cnvert.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 { return decryptedMessage; }
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std::string Decryption::getMessage() const { 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 = 0u; index!=c.size(); ++index)
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decryptedCharacters[k[index]] = c[index];
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}
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