Open and Unzip an AES Encrypted Zip

Open and unzip an AES encrypted Zip.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkZip zip = new CkZip();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = zip.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
    }

    success = zip.OpenZip("aes.zip");
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
    }

    //  Set the password needed to unzip.
    //  This password must match the password used when the zip
    //  was created.
    zip.SetPassword("myPassword");

    int unzipCount;

    //  Returns the number of files and directories unzipped.
    unzipCount = (int) zip.Unzip("c:/temp/aesUnzippedDir/");
    if (unzipCount < 0) {
        System.out.println(zip.lastErrorText());
    }
    else {
        System.out.println("Success!");
    }

  }
}