Pascal (Lazarus/Delphi)

Load Certificate from PFX (PKCS#12)

See more Certificates Examples

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12) 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.PrivateKey;

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

procedure RunDemo;
var
  success: Boolean;
  cert: TCert;
  pfxFilename: string;
  pfxPassword: string;
  privKey: TPrivateKey;
  pemPassword: string;
  pemPath: string;

begin
  success := False;

  cert := TCert.Create;

  //  Load from the PFX file
  pfxFilename := '/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx';
  pfxPassword := 'test';

  //  A PFX typically contains certificates in the chain of authentication.
  //  The Chilkat cert object will choose the certificate w/
  //  private key farthest from the root authority cert.
  //  To access all the certificates in a PFX, use the 
  //  Chilkat certificate store object instead.
  success := cert.LoadPfxFile(pfxFilename,pfxPassword);
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  Get some information about the digital certificate, 
  //  then get the private key...

  //  DN = "Distinguished Name"
  WriteLn('SubjectDN:' + cert.SubjectDN);

  WriteLn('Common Name:' + cert.SubjectCN);
  WriteLn('Issuer Common Name:' + cert.IssuerCN);

  WriteLn('Serial Number:' + cert.SerialNumber);

  privKey := TPrivateKey.Create;
  success := cert.GetPrivateKey(privKey);
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  //  The private key object may be used in any Chilkat methods
  //  (in other objects/classes) that expect a private key argument.

  //  In this case, save the private key to a PKCS8 Encrypted PEM format file:
  pemPassword := 'secret';
  pemPath := '/Users/chilkat/testData/pem/chilkat_privKey.pem';
  success := privKey.SavePkcs8EncryptedPemFile(pemPassword,pemPath);
  if (success = False) then
    begin
      WriteLn(privKey.LastErrorText);
      Exit;
    end;

  WriteLn('Private key saved to PKCS8 Encrypted PEM...');


  cert.Free;
  privKey.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.