package cn.huge.base.common.utils;
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import cn.huge.base.common.exception.BaseException;
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import com.thoughtworks.xstream.core.util.Base64Encoder;
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import org.apache.commons.codec.DecoderException;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.codec.binary.Hex;
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import javax.crypto.*;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.io.UnsupportedEncodingException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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/**
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* @title: aes加密工具
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* @description: aes加密工具
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* @company: hugeinfo
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* @author: liyj
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* @time: 2021-11-05 16:51:48
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* @version: 1.0.0
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*/
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public class AesUtils {
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/**
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* aes加密秘钥
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*/
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public static final String AES_PASSWORD = "tVTShp12fFVkNBxV";
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/**
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* 默认的加密方式
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*/
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public static final String KEY_ALGORITHM = "AES";
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/**
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* 默认的加密算法
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*/
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public static final String DEFAULT_CIPHER_ALGORITHM = "AES/ECB/PKCS5Padding";
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private static final String iv = "1qaz#EDC123456(,";
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private static final String Algorithm = "AES";
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private static final String AlgorithmProvider = "AES/CBC/PKCS5Padding";
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/**
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* 加密
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*
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* @param content
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* @return
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* @throws Exception
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*/
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public static String encode(String content) {
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try {
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byte[] raw = AES_PASSWORD.getBytes();
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SecretKeySpec skeySpec = new SecretKeySpec(raw, KEY_ALGORITHM);
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//"算法/模式/补码方式"
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
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byte[] encrypted = cipher.doFinal(content.getBytes("utf-8"));
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return byte2Base64(encrypted);
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} catch (Exception e) {
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throw new BaseException("AesUtils.encodeByte", e);
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}
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}
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/**
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* 加密
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*
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* @param content
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* @return
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* @throws Exception
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*/
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public static byte[] encodeByte(String content) {
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try {
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byte[] raw = AES_PASSWORD.getBytes();
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SecretKeySpec skeySpec = new SecretKeySpec(raw, KEY_ALGORITHM);
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//"算法/模式/补码方式"
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
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byte[] encrypted = cipher.doFinal(content.getBytes("utf-8"));
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return encrypted;
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} catch (Exception e) {
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throw new BaseException("AesUtils.encodeByte", e);
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}
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}
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/**
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* 加密
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*
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* @param data 返回数据
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* @return ReturnBo
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* @throws Exception
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*/
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public static byte[] encodeByte(Object data) {
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try {
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//加密
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byte[] raw = AES_PASSWORD.getBytes();
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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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cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
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JsonMapper jsonMapper = new JsonMapper();
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byte[] encrypted = cipher.doFinal(jsonMapper.toJson(data).getBytes("utf-8"));
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return encrypted;
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} catch (Exception e) {
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throw new BaseException("AesUtils.encodeByte", e);
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}
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}
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/**
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* 解密
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*
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* @param content
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* @return
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* @throws Exception
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*/
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public static String decodeByte(byte[] content) {
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try {
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byte[] raw = AES_PASSWORD.getBytes();
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SecretKeySpec key = new SecretKeySpec(raw, KEY_ALGORITHM);
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//创建密码器
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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cipher.init(Cipher.DECRYPT_MODE, key);// 初始化
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byte[] result = cipher.doFinal(content);
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//AES解密
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return new String(result);
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} catch (Exception e) {
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throw new BaseException("AesUtils.decodeByte", e);
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}
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}
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/**
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* 解密
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*
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* @param content
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* @return
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* @throws Exception
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*/
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public static String decode(String content) {
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try {
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byte[] raw = AES_PASSWORD.getBytes();
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SecretKeySpec key = new SecretKeySpec(raw, KEY_ALGORITHM);
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//创建密码器
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Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
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cipher.init(Cipher.DECRYPT_MODE, key);
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//base64解密
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byte[] contentByte = new Base64().decode(content);
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byte[] result = cipher.doFinal(contentByte);
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//AES解密
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return new String(result, "utf-8");
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} catch (Exception e) {
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throw new BaseException("AesUtils.decode", e);
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}
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}
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public static String decrypt(String enc, String uniqueKey) throws NoSuchPaddingException, NoSuchAlgorithmException, UnsupportedEncodingException, InvalidAlgorithmParameterException, InvalidKeyException, DecoderException, IllegalBlockSizeException, BadPaddingException {
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byte[] key = uniqueKey.getBytes();
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SecretKey secretKey = new SecretKeySpec(key, Algorithm);
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IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes("utf-8"));
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Cipher cipher = Cipher.getInstance(AlgorithmProvider);
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cipher.init(Cipher.DECRYPT_MODE, secretKey, ivParameterSpec);
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byte[] hexBytes = hexStringToBytes(enc);
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byte[] plainBytes = cipher.doFinal(hexBytes);
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return new String(plainBytes, "UTF-8");
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}
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public static String encrypt(String plainText, String uniqueKey) throws NoSuchPaddingException, NoSuchAlgorithmException,
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UnsupportedEncodingException, InvalidAlgorithmParameterException, InvalidKeyException,
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IllegalBlockSizeException, BadPaddingException {
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byte[] key = uniqueKey.getBytes();
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SecretKey secretKey = new SecretKeySpec(key, Algorithm);
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IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes("utf-8"));
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Cipher cipher = Cipher.getInstance(AlgorithmProvider);
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cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivParameterSpec);
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byte[] encryptedBytes = cipher.doFinal(plainText.getBytes("UTF-8"));
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return Hex.encodeHexString(encryptedBytes);
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}
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/**
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* 将16进制字符串转换为byte数组
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*
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* @param hexString
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* @return
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*/
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private static byte[] hexStringToBytes(String hexString) throws DecoderException {
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return Hex.decodeHex(hexString);
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}
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/**
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* 字节数组转Base64编码
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*
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* @param bytes
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* @return
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*/
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public static String byte2Base64(byte[] bytes) {
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Base64Encoder encoder = new Base64Encoder();
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return encoder.encode(bytes);
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}
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}
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/**
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* -------------------_ooOoo_-------------------
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* ------------------o8888888o------------------
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* ------------------88" . "88------------------
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* ------------------(| -_- |)------------------
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* ------------------O\ = /O------------------
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* ---------------____/`---'\____---------------
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* -------------.' \\| |// `.-------------
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* ------------/ \\||| : |||// \------------
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* -----------/ _||||| -:- |||||- \-----------
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* -----------| | \\\ - /// | |-----------
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* -----------| \_| ''\---/'' | |-----------
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* -----------\ .-\__ `-` ___/-. /-----------
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* ---------___`. .' /--.--\ `. . __----------
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* ------."" '< `.___\_<|>_/___.' >'"".-------
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* -----| | : `- \`.;`\ _ /`;.`/ - ` : | |-----
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* -----\ \ `-. \_ __\ /__ _/ .-` / /-----
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* ======`-.____`-.___\_____/___.-`____.-'======
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* -------------------`=---='
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* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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* ---------佛祖保佑---hugeinfo---永无BUG----------
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*/
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