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(Delphi ActiveX) Easy Method to Import Certificate to Azure Key Vault

Demonstrates an easier method to import certificate with private key to an Azure key vault.

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

Chilkat for Delphi Downloads

Chilkat ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
cert: TChilkatCert;
success: Integer;
json: TChilkatJsonObject;
jsonOut: TChilkatJsonObject;

begin
cert := TChilkatCert.Create(Self);

// The certificate must originate from a source where the private key material is available to be included
// in the upload to Azure Key Vault.

success := cert.LoadPfxFile('qa_data/pfx/myCert.pfx','pfx_password');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);

// Indicate this request is to upload to Azure Key Vault.
json.UpdateString('service','azure-keyvault');

// Provide your OAuth2 client credentials for your Azure App (service principal) that has
// the required Role-Based Access Control (RBAC) permissions.
json.UpdateString('auth.client_id','APP_ID');
json.UpdateString('auth.client_secret','APP_PASSWORD');
json.UpdateString('auth.tenant_id','TENANT_ID');

// Indicate the key vault name
json.UpdateString('vault_name','VAULT_NAME');

// When you import a certificate into an Azure Key Vault, the certificate name and vault name are included as 
// parts of the URL to specify the target location where the certificate should be stored. 
// The URL follows a specific format to identify the target Key Vault and the certificate within it. 
// Here's how the certificate name and vault name are incorporated into the URL:
// https://VAULT_NAME.vault.azure.net//certificates/CERT_NAME/import?api-version=7.4

// Specify an arbitrary certificate name, but one that can be used in a URL as shown above.  (i.e. alphanumeric with no SPACE chars)
json.UpdateString('cert_name','CERT_NAME');

// Add optional tags if desired. Tags can be anything you want.   
json.UpdateString('tags.serial',cert.SerialNumber);
json.UpdateString('tags.issuer',cert.IssuerCN);
json.UpdateString('tags.subject',cert.SubjectCN);

// OK.. everything is specified.  Simply call UploadToCloud.
jsonOut := TChilkatJsonObject.Create(Self);
jsonOut.EmitCompact := 0;
success := cert.UploadToCloud(json.ControlInterface,jsonOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Memo1.Lines.Add(jsonOut.Emit());
    Exit;
  end;

// Success!  Go to the Azure portal and refresh to see the certificate has been uploaded.
// The jsonOut provides the JSON response from the Azure server.
Memo1.Lines.Add(jsonOut.Emit());
Memo1.Lines.Add('Success');

// Here is sample jsonOut

// {
//   "id": "https://kvchilkat.vault.azure.net/certificates/ChilkatTestCert123/b6e997db70144435a49d924be9f260ef",
//   "kid": "https://kvchilkat.vault.azure.net/keys/ChilkatTestCert123/b6e997db70144435a49d924be9f260ef",
//   "sid": "https://kvchilkat.vault.azure.net/secrets/ChilkatTestCert123/b6e997db70144435a49d924be9f260ef",
//   "x5t": "I_e3776K5Q_6PN1HHvJoI2ZGQRQ",
//   "cer": "MIIGXjCCBMagAw ... z50cjTsi7yIY=",
//   "attributes": {
//     "enabled": true,
//     "nbf": 1633996800,
//     "exp": 1728691199,
//     "created": 1697754785,
//     "updated": 1697754785,
//     "recoveryLevel": "CustomizedRecoverable+Purgeable",
//     "recoverableDays": 7
//   },
//   "tags": {
//     "serial": "3FF5B69109BFD4046C92CC0D18EE23C2",
//     "issuer": "Sectigo Public Code Signing CA R36",
//     "subject": "Chilkat Software, Inc."
//   },
//   "policy": {
//     "id": "https://kvchilkat.vault.azure.net/certificates/ChilkatTestCert123/policy",
//     "key_props": {
//       "exportable": true,
//       "kty": "RSA",
//       "key_size": 4096,
//       "reuse_key": false
//     },
//     "secret_props": {
//       "contentType": "application/x-pkcs12"
//     },
//     "x509_props": {
//       "subject": "CN=\"Chilkat Software, Inc.\", O=\"Chilkat Software, Inc.\", S=Illinois, C=US",
//       "ekus": [
//         "1.3.6.1.5.5.7.3.3"
//       ],
//       "key_usage": [
//         "digitalSignature"
//       ],
//       "validity_months": 37,
//       "basic_constraints": {
//         "ca": false
//       }
//     },
//     "lifetime_actions": [
//       {
//         "trigger": {
//           "lifetime_percentage": 80
//         },
//         "action": {
//           "action_type": "EmailContacts"
//         }
//       }
//     ],
//     "issuer": {
//       "name": "Unknown"
//     },
//     "attributes": {
//       "enabled": true,
//       "created": 1697754785,
//       "updated": 1697754785
//     }
//   }
// }
end;

 

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