Delphi DLL

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.

Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
certStore: HCkCertStore;
argNotUsed: PWideChar;
cert: HCkCert;
numCerts: Integer;
i: Integer;

begin
success := False;

certStore := CkCertStore_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 := CkCertStore_OpenSmartcard(certStore,argNotUsed);
if (success = False) then
  begin
    Memo1.Lines.Add(CkCertStore__lastErrorText(certStore));
    Exit;
  end;

cert := CkCert_Create();

numCerts := CkCertStore_getNumCertificates(certStore);
i := 0;

while i < numCerts do
  begin
    // Load the cert object with the Nth certificate found in the connected HSMs
    CkCertStore_GetCert(certStore,i,cert);
    Memo1.Lines.Add(IntToStr(i) + ': ' + CkCert__subjectCN(cert));
    i := i + 1;
  end;

CkCertStore_Dispose(certStore);
CkCert_Dispose(cert);

end;