87 lines
2.2 KiB
Java
87 lines
2.2 KiB
Java
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package com.ule.demo;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.codec.digest.DigestUtils;
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/**
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* 邮乐报文 加解密工具类
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*
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* @author admin
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*
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*/
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public class AESUtils {
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/**
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* 数据加密
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*
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* @param requestData
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* @param aesKey
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* @return
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*/
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public static String encryData(String requestData, String aesKey) throws Exception {
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byte[] encryptedData = aesEncrypt(requestData, aesKey, aesKey);
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return Base64.encodeBase64String(encryptedData);
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}
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/**
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* 数据解密
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*
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* @param requestData
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* @param aesKey
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* @return
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*/
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public static String decryptData(String encryptedData, String aesKey) throws Exception {
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return aesDecrypt(encryptedData, aesKey, aesKey);
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}
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/**
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* aes加密
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*
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* @param decryptedData
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* @param encryptKey
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* @param ivKeys
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* @return
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* @throws Exception
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*/
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private static byte[] aesEncrypt(String decryptedData, String encryptKey, String ivKeys) throws Exception {
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String PKCS5Padding = "AES/CBC/PKCS5Padding";
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Cipher cipher = Cipher.getInstance(PKCS5Padding);
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byte[] raw = ivKeys.getBytes("utf-8");
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IvParameterSpec iv = new IvParameterSpec(raw);
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cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes("utf-8"), "AES"), iv);
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byte[] encryptedData = cipher.doFinal(decryptedData.getBytes("UTF-8"));
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return encryptedData;
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}
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/**
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* aes解密
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*
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* @param encryptedData
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* @param encryptKey
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* @param ivKeys
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* @return
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* @throws Exception
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*/
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private static String aesDecrypt(String encryptedData, String encryptKey, String ivKeys) throws Exception {
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String PKCS5Padding = "AES/CBC/PKCS5Padding";
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Cipher cipher = Cipher.getInstance(PKCS5Padding);
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byte[] raw = ivKeys.getBytes("utf-8");
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IvParameterSpec iv = new IvParameterSpec(raw);
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cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(encryptKey.getBytes("utf-8"), "AES"), iv);
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byte[] decryptedData = cipher.doFinal(Base64.decodeBase64(encryptedData));
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return new String(decryptedData, "UTF-8");
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}
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/**
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* MD5摘要算法
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*
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* @throws @throws
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*/
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public static String MD5(String key) {
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return DigestUtils.md5Hex(key);
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}
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}
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