Java

Create a WinZip/7-Zip compatible AES Encrypted Zip

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Creates a WinZip compatible AES-encrypted .zip archive Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Zip;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Zip zip = new Zip();

        try {
            zip.newZip("/myZipDir/aes.zip");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Set properties to indicate that the Zip should be
        // AES encrypted.

        // A value of 4 indicates WinZip compatible AES encryption.
        zip.setEncryption(4);

        // Key length can be 128, 192, or 256 bits.
        zip.setEncryptKeyLength(128);

        // Set the password for AES encryption:
        zip.setEncryptPassword("myPassword");

        // Add a directory tree to be zipped.  (The files
        // are not compressed at this point -- only references
        // to the files and directories are added to the zip object.)
        boolean recurse = true;
        try {
            zip.appendFiles("c:/temp/a/*", recurse);

            // Create the encrypted zip ("/myZipDir/aes.zip")
            // The path of the zip is what was originally passed
            // to the NewZip method (above).
            zip.writeZipAndClose();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Created AES Encrypted Zip.");
    }
}