QuietUnrar/Carthage/Checkouts/UnrarKit/Libraries/unrar/secpassword.hpp

36 lines
1.0 KiB
C++

#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