package com.flagnote.note.utils; import javax.crypto.spec.SecretKeySpec; import cn.hutool.crypto.Mode; import cn.hutool.crypto.Padding; import cn.hutool.crypto.symmetric.AES; public class SecretUtils { private static AES aes = new AES(Mode.ECB, Padding.PKCS5Padding, new SecretKeySpec("b9t3pzbmybc66cba".getBytes(), "AES")); public static byte[] encodeNote(byte[] text) { return aes.encrypt(text); } public static byte[] decodeNote(byte[] text) { return aes.decrypt(text); } }