Delphi ActiveX Requires Chilkat v11.0.0+

Get the Certificate with Private Key from a Java KeyStore

See more Java KeyStore (JKS) Examples

Load a Chilkat certificate object from a Java KeyStore. Delphi ActiveX

var
success: Integer;
jks: TChilkatJavaKeyStore;
password: WideString;
chain: TChilkatCertChain;
cert: TChilkatCert;
crypt: TChilkatCrypt2;

begin
success := 0;

//  This example requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

//  Most of the time a .jks contains one certificate with it's associated private key.
//  (Similar to how a .pfx/.p12 usually contains a particular certificate with private key.)
//  This example demonstrates how to get the certificate with private key such that it can be used
//  by other Chilkat classes wherever a cert w/ private key is needed.
jks := TChilkatJavaKeyStore.Create(Self);
password := 'secret';
success := jks.LoadFile(password,'qa_data/jks/test_secret.jks');
if (success = 0) then
  begin
    Memo1.Lines.Add(jks.LastErrorText);
    Exit;
  end;

//  Make sure we have a private key.
if (jks.NumPrivateKeys < 1) then
  begin
    Memo1.Lines.Add('No private key available.');
    Exit;
  end;

//  -------------------------------------------------------------------------
//  Get the certificate chain associated with the 1st (and probably only) private key in the JKS.

chain := TChilkatCertChain.Create(Self);
success := jks.CertChainAt(0,chain.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(jks.LastErrorText);
    Exit;
  end;

cert := TChilkatCert.Create(Self);
success := chain.CertAt(0,cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(chain.LastErrorText);
    Exit;
  end;

//  Verify again that this cert has a private key.
if (cert.HasPrivateKey() <> 1) then
  begin
    Memo1.Lines.Add('Certificate has no associated private key.');
    Exit;
  end;

//  We now have the cert object with it's associated private key, and it can be used in other Chilkat classes where needed.
//  For example..

crypt := TChilkatCrypt2.Create(Self);
success := crypt.SetSigningCert(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(crypt.LastErrorText);
    Exit;
  end;

//  ...
//  ...