Delphi DLL

Convert PEM to JKS (Java KeyStore)

See more PEM Examples

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
pem: HCkPem;
password: PWideChar;
pemContent: PWideChar;
alias: PWideChar;
jksPassword: PWideChar;
jks: HCkJavaKeyStore;

begin
success := False;

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

pem := CkPem_Create();

// Load the PEM from a file.
// If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
password := 'myPassword';
success := CkPem_LoadPemFile(pem,'../myPemFiles/myPem.pem',password);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPem__lastErrorText(pem));
    Exit;
  end;

// Note: If the app already has the PEM pre-loaded in a string variable, then load it 
// by calling LoadPem instead.  
pemContent := '... the PEM contents ...';
success := CkPem_LoadPem(pem,pemContent,password);
// Check for success as before..

// Convert to a JavaKeyStore object.
// The alias, if a non-empty string, will be applied to the 1st private key or 
// certificate.  All other keys and/or certificates will be assigned an auto-generated
// alias.
alias := 'anything_I_want_here';

// This is the passord that will be required to access the created JKS.
jksPassword := 'myJksSecret';
jks := CkJavaKeyStore_Create();
success := CkPem_ToJksObj(pem,alias,jksPassword,jks);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPem__lastErrorText(pem));
    Exit;
  end;

// Save the JKS to a file.  The password passed here is used for the keyed hash of the
// entire JKS file.  This may be different (if desired) than the password for individual private keys
// contained within the JKS.  
success := CkJavaKeyStore_ToFile(jks,jksPassword,'../myJksFiles/myJks.jks');
if (success = False) then
  begin
    Memo1.Lines.Add(CkJavaKeyStore__lastErrorText(jks));
    Exit;
  end;

CkPem_Dispose(pem);
CkJavaKeyStore_Dispose(jks);

end;