Lazarus Pascal Requires Chilkat v11.0.0+

Get Certificate's Public Key

Loads a certificate from PEM and gets the public key. 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.PublicKey;

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

procedure RunDemo;
var
  success: Boolean;
  cert: TCert;
  strPem: string;
  pubKey: TPublicKey;

begin
  success := False;

  cert := TCert.Create;

  strPem := '-----BEGIN CERTIFICATE----- ...';

  success := cert.LoadPem(strPem);
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      Exit;
    end;

  pubKey := TPublicKey.Create;
  cert.GetPublicKey(pubKey);

  //  You can now use the public key object however it is needed,
  //  and access its various properties and methods..

  WriteLn(pubKey.GetXml());


  cert.Free;
  pubKey.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.