Pascal (Lazarus/Delphi)

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.

Pascal (Lazarus/Delphi)

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.