Delphi DLL

Transition from Crypt2.GetSignerCert to Crypt2.LastSignerCert

Provides instructions for replacing deprecated GetSignerCert method calls with LastSignerCert. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Cert, Crypt2;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
crypt2: HCkCrypt2;
index: Integer;
certObj: HCkCert;
certOut: HCkCert;

begin
success := False;

crypt2 := CkCrypt2_Create();

// ...
// ...
index := 0;

// ------------------------------------------------------------------------
// The GetSignerCert method is deprecated:

certObj := CkCrypt2_GetSignerCert(crypt2,index);
if (CkCrypt2_getLastMethodSuccess(crypt2) = False) then
  begin
    Memo1.Lines.Add(CkCrypt2__lastErrorText(crypt2));
    Exit;
  end;

// ...
// ...

CkCert_Dispose(certObj);

// ------------------------------------------------------------------------
// Do the equivalent using LastSignerCert.
// Your application creates a new, empty Cert object which is passed 
// in the last argument and filled upon success.

certOut := CkCert_Create();
success := CkCrypt2_LastSignerCert(crypt2,index,certOut);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCrypt2__lastErrorText(crypt2));
    Exit;
  end;

CkCrypt2_Dispose(crypt2);
CkCert_Dispose(certOut);

end;