EncryptingFiles.java

package com.aspose.cells.examples.loading_saving;

import com.aspose.cells.EncryptionType;
import com.aspose.cells.Workbook;
import com.aspose.cells.examples.Utils;

public class EncryptingFiles {

	public static void main(String[] args) throws Exception {

		// The path to the documents directory.
		String dataDir = Utils.getSharedDataDir(EncryptingFiles.class) + "loading_saving/";

		// Instantiate a Workbook object by excel file path
		Workbook workbook = new Workbook(dataDir + "Book1.xls");

		// Password protect the file.
		workbook.getSettings().setPassword("1234");

		// Specify XOR encrption type.
		workbook.setEncryptionOptions(EncryptionType.XOR, 40);

		// Specify Strong Encryption type (RC4,Microsoft Strong Cryptographic
		// Provider).
		workbook.setEncryptionOptions(EncryptionType.STRONG_CRYPTOGRAPHIC_PROVIDER, 128);

		// Save the excel file.
		workbook.save(dataDir + "EncryptingFiles_out.xls");

		// Print message
		System.out.println("Encryption applied successfully on output file.");

	}
}