// ExportSert.cpp : Defines the exported functions for the DLL application.

//



#include "stdafx.h"



#define SECURITY_WIN32



#include <windows.h>

#include <wincrypt.h>

#include <shlwapi.h>

#include <security.h>

#include <wininet.h>

#include <stdio.h>





extern "C" void __declspec(dllexport) GetSert( const char* nameStore, const char* password)

{

  HANDLE hstore = CertOpenSystemStore(NULL, nameStore);

  if( hstore != NULL ) {

    int c_certs = 0; //количество сертификатов

    PCCERT_CONTEXT certContext = 0;

    while( (certContext = CertEnumCertificatesInStore( hstore, certContext ) ) != NULL)

      c_certs++;



    if( c_certs == 0 )

      return;

    else {

      //Получаем размер хранилища.

      CRYPT_DATA_BLOB pfxBlob;

      pfxBlob.pbData = NULL;

      pfxBlob.cbData = 0;



      //преобразовываем пароль в WCHAR

      WCHAR wpassword[128];

      memset( wpassword, sizeof(wpassword), 0 );

      MultiByteToWideChar( CP_ACP, 0, password, -1, wpassword, sizeof(wpassword) );



      if( PFXExportCertStoreEx(hstore, &pfxBlob, wpassword, 0, EXPORT_PRIVATE_KEYS) != FALSE &&

        (pfxBlob.pbData = (unsigned char*)LocalAlloc( LPTR, pfxBlob.cbData )) != NULL) {

        if( PFXExportCertStoreEx( hstore, &pfxBlob, wpassword, 0, EXPORT_PRIVATE_KEYS ) != FALSE ) {

          char nameFile[128];

          wsprintf( nameFile, "%s_%d_%08x.pfx", nameStore, c_certs, GetTickCount() );

          HANDLE fout = CreateFile( nameFile, GENERIC_READ | GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0 );

          if( fout == INVALID_HANDLE_VALUE ) return;

          DWORD rl;

          WriteFile( fout, pfxBlob.pbData, pfxBlob.cbData, &rl, 0 );

          CloseHandle(fout);

        }

        LocalFree( pfxBlob.pbData );

      }

    }

    CertCloseStore(hstore, 0);

  }

}



extern "C" void __declspec(dllexport) GetSertDefault( const char* nameStore, const char* password)

{

	GetSert( "My", "pass" );

}