(Delphi DLL) AWS KMS Import PFX Key

See more AWS KMS Examples

Imports a certificate's private key from a .pfx file to new key created in AWS KMS.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
cert: HCkCert;
success: Boolean;
privKey: HCkPrivateKey;
json: HCkJsonObject;
jsonOut: HCkJsonObject;

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

// Note: This example is using a relative file path.  You can also specify a full file path, such as "C:/someDir/myCertAndKey.pfx"
// or a file path the makes sense on non-Windows operating systems..
cert := CkCert_Create();
success := CkCert_LoadPfxFile(cert,'qa_data/pfx/myCertAndKey.pfx','pfx_password');
if (success = False) then
  begin
    Memo1.Lines.Add(CkCert__lastErrorText(cert));
    Exit;
  end;

// Get the cert's private key.  This is what will be uploaded to AWS KMS.
privKey := CkCert_ExportPrivateKey(cert);
if (CkCert_getLastMethodSuccess(cert) = False) then
  begin
    Memo1.Lines.Add('The certificate does not have a private key.');
    Exit;
  end;

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'service','aws-kms');
CkJsonObject_UpdateString(json,'auth.access_key','AWS_ACCESS_KEY');
CkJsonObject_UpdateString(json,'auth.secret_key','AWS_SECRET_KEY');
CkJsonObject_UpdateString(json,'auth.region','us-west-2');
CkJsonObject_UpdateString(json,'description','Test of uploading existing private key to AWS KMS');

// Let's add some information about the certificate this key belongs to.
// This is for informational purposes only, so that we can examine the tags
// in the AWS KMS console and know the corresponding certificate.
CkJsonObject_UpdateString(json,'tags[0].key','CertSerial');
CkJsonObject_UpdateString(json,'tags[0].value',CkCert__serialNumber(cert));
CkJsonObject_UpdateString(json,'tags[1].key','CertIssuer');
CkJsonObject_UpdateString(json,'tags[1].value',CkCert__issuerCN(cert));
CkJsonObject_UpdateString(json,'tags[2].key','CertSubject');
CkJsonObject_UpdateString(json,'tags[2].value',CkCert__subjectCN(cert));

CkJsonObject_UpdateString(json,'keyUsage','SIGN_VERIFY');

// The UploadToCloud method was added in Chilkat v9.5.0.96
jsonOut := CkJsonObject_Create();
success := CkPrivateKey_UploadToCloud(privKey,json,jsonOut);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPrivateKey__lastErrorText(privKey));
    CkPrivateKey_Dispose(privKey);
    Exit;
  end;
CkPrivateKey_Dispose(privKey);

// When successful, the jsonOut contains information about the private key in AWS KMS.
// Most importantly, the KeyId.
CkJsonObject_putEmitCompact(jsonOut,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonOut));

// Sample JSON result:

// {
//   "AWSAccountId": "954491834127",
//   "Arn": "arn:aws:kms:us-west-2:954491834127:key/187012e8-008f-4fc7-b100-5efe6146dff2",
//   "KeySpec": "RSA_4096",
//   "Description": "Test of uploading existing private key to AWS KMS",
//   "KeyId": "187012e8-008f-4fc7-b100-5efe6146dff2",
//   "KeyUsage": "SIGN_VERIFY"
// }

CkCert_Dispose(cert);
CkJsonObject_Dispose(json);
CkJsonObject_Dispose(jsonOut);

end;