(C) Azure Key Vault - Setup Bootstrap Secret in Local Manager

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Accessing a cloud-based secrets manager requires authentication credentials, which cannot be stored in the manager itself. Instead, they must be securely stored locally.

One solution is to store the authentication credentials as a secret in the Windows Credentials Manager or Apple Keychain. These credentials serve as the "bootstrap secret" for authenticating with the cloud-based secrets manager.

This example demonstrates how to setup a bootstrap secret for the Azure Key Vault.

Note: This example requires Chilkat v10.1.0 or later.

For more information, see https://cknotes.com/chilkat-secrets-class-added-in-version-10-1-0/

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#include <C_CkSecrets.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkSecrets bootstrap;
    HCkJsonObject json;
    HCkJsonObject jsonSecret;
    BOOL success;

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

    bootstrap = CkSecrets_Create();

    // We're going to store the bootstrap secret in the local manager.
    // On Windows, this is the Windows Credentials Manager
    // On MacOS/iOS, it is the Apple Keychain
    CkSecrets_putLocation(bootstrap,"local_manager");

    // Specify the name of the bootstrap secret.
    // service and username are required.
    // appName and domain are optional.
    // Note: The values are arbitrary and can be anything you want.
    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"appName","azure_bs");
    CkJsonObject_UpdateString(json,"service","Example");
    CkJsonObject_UpdateString(json,"username","Joe");

    // The bootstrap secret for the Azure Key Vault will contain
    // the tenant_id, client_id, and client_secret, like this:
    jsonSecret = CkJsonObject_Create();
    // Modify to your values.
    CkJsonObject_UpdateString(jsonSecret,"tenant_id","YOUR_TENANT_ID");
    CkJsonObject_UpdateString(jsonSecret,"client_id","YOUR_CLIENT_ID");
    CkJsonObject_UpdateString(jsonSecret,"client_secret","YOUR_CLIENT_SECRET");

    // Create or update the bootstrap secret.
    success = CkSecrets_UpdateSecretJson(bootstrap,json,jsonSecret);
    if (success == FALSE) {
        printf("%s\n",CkSecrets_lastErrorText(bootstrap));
        CkSecrets_Dispose(bootstrap);
        CkJsonObject_Dispose(json);
        CkJsonObject_Dispose(jsonSecret);
        return;
    }

    printf("The Azure bootstrap secret has been stored.\n");


    CkSecrets_Dispose(bootstrap);
    CkJsonObject_Dispose(json);
    CkJsonObject_Dispose(jsonSecret);

    }