XXShallowCrypt.h

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#ifndef XXShallowCryptH
#define XXShallowCryptH
 
#include "XXCoreExportDef.h"
 
#include <QCryptographicHash>
#include <QString>
#include <QSysInfo>
 
namespace XX
{

 
   class XXCORE_DECLSPEC ShallowCrypt
   {
   public:
      ShallowCrypt(QByteArray key = QSysInfo::machineUniqueId(), QCryptographicHash::Algorithm algorithm = QCryptographicHash::Sha1);
 
   public:
      QByteArray bury(const QString& plainText) const;
      QString revive(const QByteArray encryptedText) const;
 
   private:
      void encrypt(QByteArray& data) const;
      void decrypt(QByteArray& data) const;
      QByteArray randomByte() const;
      QByteArray addCheckAndScramble(const QByteArray& payload) const;
      QByteArray unscrambleAndVerify(const QByteArray& data) const;
      QByteArray rotateUnevenBytes(const QByteArray& data) const;
 
   private:
      QByteArray key;
      QCryptographicHash::Algorithm algorithm;
      int checkLength;
   };
} // namespace XX
 
#endif // NOT XXShallowCryptH