Lazarus Pascal

Iterate over Certificates on Connected Smart Cards and USB Tokens

See more Cert Store Examples

Demonstrates how to iterate over the certificates on connected smart cards and USB tokens.

Note: Requires Chilkat v10.1.2 or later.

Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Cert,
  Chilkat.CertStore;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  certStore: TCertStore;
  argNotUsed: string;
  cert: TCert;
  numCerts: Integer;
  i: Integer;

begin
  success := False;

  certStore := TCertStore.Create;

  //  Detects connected smart cards and USB tokens
  //  and loads the certificate store object with the certificates found.
  //  Works on Windows, MacOS, iOS, and Linux.
  //  Note: If something is not detected, contact info@chilkatsoft.com
  //  for help or for workarounds.
  argNotUsed := '';
  success := certStore.OpenSmartcard(argNotUsed);
  if (success = False) then
    begin
      WriteLn(certStore.LastErrorText);
      Exit;
    end;

  cert := TCert.Create;

  numCerts := certStore.NumCertificates;
  i := 0;

  while i < numCerts do
    begin
      //  Load the cert object with the Nth certificate found in the connected HSMs
      certStore.GetCert(i,cert);
      WriteLn(i + ': ' + cert.SubjectCN);
      i := i + 1;
    end;



  certStore.Free;
  cert.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.