下載jce_policy-6.zip,

更新JCE Unlimited Strength Jurisdiction Policy Files,詳見readme檔案

http://www.aescrypt.com/java_aes_crypt.html

使用AESCrypt.java

public static void main(String[] args) throws GeneralSecurityException, IOException{
  
  AESCrypt aes = new AESCrypt(true,"pwd");
  aes.encrypt(2, "e://test.doc", "e://test.doc.aes");
  aes.decrypt("e://test.doc.aes","e://test.doc");
 }