Export VBA Certificate to File or Stream with Node.js via C++

Aspose.Cells allows you to export a VBA digital certificate to a stream such as a file or memory stream. You can access the raw data of the VBA digital certificate using the VbaProject.getCertRawData() property.

Export VBA Certificate to File or Stream in Node.js

Please see the following sample code that saves the raw data of the VBA certificate into a file. You can download the sample Excel file used in this code from the provided link.

const path = require("path");
const AsposeCells = require("aspose.cells.node");

// The path to the documents directory.
const dataDir = path.join(__dirname, "data");

// Load your source Excel file into a Workbook object
const workbook = new AsposeCells.Workbook(path.join(dataDir, "sampleVBAProjectSigned.xlsm"));

// Retrieve the byte data of the digital certificate of the VBA project
const certBytes = workbook.getVbaProject().getCertRawData();

// Save certificate data into a file stream
require("fs").writeFileSync(path.join(dataDir, "Cert_out_"), Uint8Array.from(certBytes));