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secpassword.hpp « unrar « thirdparty « src - github.com/mpc-hc/mpc-hc.git - Unnamed repository; edit this file 'description' to name the repository.
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#ifndef _RAR_SECURE_PASSWORD_
#define _RAR_SECURE_PASSWORD_

// Store a password securely (if data encryption is provided by OS)
// or obfuscated to make search for password in memory dump less trivial.
class SecPassword
{
  private:
    void Process(const wchar *Src,size_t SrcSize,wchar *Dst,size_t DstSize,bool Encode);

    wchar Password[MAXPASSWORD];

    // It is important to have this 'bool' value, so if our object is cleaned
    // with memset as a part of larger structure, it is handled correctly.
    bool PasswordSet;
  public:
    SecPassword();
    ~SecPassword();
    void Clean();
    void Get(wchar *Psw,size_t MaxSize);
    void Set(const wchar *Psw);
    bool IsSet() {return PasswordSet;}
    size_t Length();
    bool operator == (SecPassword &psw);

    // Set to true if we need to pass a password to another process.
    // We use it when transferring parameters to UAC elevated WinRAR.
    bool CrossProcess;
};


void cleandata(void *data,size_t size);
void SecHideData(void *Data,size_t DataSize,bool Encode,bool CrossProcess);

#endif