Delphi DLL

RSA Import Private Key

See more RSA Examples

Shows how to select/import a private key for RSA signing or decryption. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
privKey: HCkPrivateKey;
password: PWideChar;
rsa: HCkRsa;

begin
success := False;

privKey := CkPrivateKey_Create();
password := 'secret';
// In all Chilkat methods expecting a path, you pass either absolute or relative paths.
success := CkPrivateKey_LoadAnyFormatFile(privKey,'rsaKeys/myTestRsaPrivate.pem',password);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPrivateKey__lastErrorText(privKey));
    Exit;
  end;

rsa := CkRsa_Create();

// Tell the RSA object to use the private key (i.e. import the private key)
CkRsa_UsePrivateKey(rsa,privKey);

CkPrivateKey_Dispose(privKey);
CkRsa_Dispose(rsa);

end;