package com.stylefeng.guns.modular.system.util;
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import com.stylefeng.guns.core.util.ToolUtil;
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import org.springframework.util.Base64Utils;
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import javax.crypto.Cipher;
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import javax.crypto.KeyGenerator;
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import javax.crypto.SecretKey;
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import javax.crypto.SecretKeyFactory;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.security.spec.InvalidKeySpecException;
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import java.util.Base64;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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* 定义AES加密解密工具类
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*/
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public class AESUtil {
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private static final String KEY_ALGORITHM = "AES";//加密方式
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private static final String DEFAULT_CIPHER_ALGORITHM = "AES/CBC/PKCS5Padding";//默认的加密算法
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private static final String KEY = "xqT86jictTPpHMem";//密码
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private static final String IV_PARAMETER = "xqT86jicxqT86jic";//偏移量
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private static final String CHARSET = "UTF-8";//编码
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/**
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* 加密操作
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* @param content 待加密内容
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* @return
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* @throws Exception
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*/
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public static String encrypt(String content) {
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try {
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if(ToolUtil.isEmpty(content)){
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return content;
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}
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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byte[] raw = KEY.getBytes(CHARSET);
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SecretKeySpec skeySpec = new SecretKeySpec(raw, KEY_ALGORITHM);
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IvParameterSpec iv = new IvParameterSpec(IV_PARAMETER.getBytes());
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cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
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byte[] encrypted = cipher.doFinal(content.getBytes(CHARSET));
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return Base64Utils.encodeToString(encrypted);
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}catch (Exception e){
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e.printStackTrace();
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}
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return content;
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}
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/**
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*解密操作
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* @param content 待解密内容
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* @return
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* @throws Exception
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*/
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public static String decrypt(String content) {
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try {
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if(ToolUtil.isEmpty(content)){
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return content;
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}
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byte[] raw = KEY.getBytes(CHARSET);
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SecretKeySpec skeySpec = new SecretKeySpec(raw, KEY_ALGORITHM);
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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IvParameterSpec iv = new IvParameterSpec(IV_PARAMETER.getBytes());
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cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
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byte[] encrypted1 = Base64Utils.decodeFromString(content);
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byte[] original = cipher.doFinal(encrypted1);
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String originalString = new String(original, CHARSET);
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return originalString;
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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return content;
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}
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public static void main(String[] ages){
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// String encrypt = AESUtil.encrypt("19167181339");
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// System.err.println(encrypt);
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// String travel = AESUtil.decrypt("43um1VRZ1t1wL3Z9IWUV7e4Z/w29owZM");
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// System.err.println(travel);
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String decrypt = DESUtil.decrypt("xqT86jictTPpHMem", "43um1VRZ1t1wL3Z9IWUV7e4Z/w29owZM");
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System.err.println(decrypt);
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}
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}
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