【Java / JavaScript】AES加密解密
Java封装的AES加密解密工具类:
几个重要的参数信息
- 需要指定一个密钥串sKey 密钥内容自定义 数字 + 字母 + 特殊符号
- 加密方式为 AES
- AES下面的模式ECB
- ECB下面指定内嵌内容为PKCS5
package cn.hyite.amerp.common.util; import java.util.Base64; import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; public class EncryptAESUtil { public static String sKey = "加密的密钥串,自定义"; public static String Encrypt(String sSrc) { byte[] raw; try { raw = sKey.getBytes("utf-8"); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, skeySpec); byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8")); return Base64.getEncoder().encodeToString(encrypted); } catch (Exception e) { e.printStackTrace(); return null; } } // 解密 public static String Decrypt(String sSrc) { try { byte[] raw = sKey.getBytes("utf-8"); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, skeySpec); byte[] encrypted1 = Base64.getDecoder().decode(sSrc); try { byte[] original = cipher.doFinal(encrypted1); String originalString = new String(original, "utf-8"); return originalString; } catch (Exception e) { e.printStackTrace(); return null; } } catch (Exception ex) { ex.printStackTrace(); return null; } } }
工具测试方法:
public static void main(String[] args) throws Exception { // 需要加密的字串 String cSrc = "999999"; System.out.println(cSrc); // 加密 String enString = EncryptAESUtil.Encrypt(cSrc); System.out.println("加密后的字串是:" + enString); // 解密 String DeString = EncryptAESUtil.Decrypt(enString); System.out.println("解密后的字串是:" + DeString); }
JavaScript的AES加密解密工具类:
参考博客:
https://www.cnblogs.com/herenwei-wayne/p/15832466.html
安装CryptoJS组件,先在NPM官网上找到CryptoJS的依赖地址:
https://www.npmjs.com/package/crypto-js
测试方法编写:
import Crypto from 'crypto-js' test() { const serverKey = 'cloud9.aesde.2023' const key = Crypto.enc.Utf8.parse(serverKey) const iv = Crypto.enc.Utf8.parse(serverKey) // 生成密文 let encryptedData = Crypto.AES.encrypt('需要被加密的明文', key, { iv: iv, mode: Crypto.mode.ECB, padding: Crypto.pad.Pkcs7 }) encryptedData = encryptedData.toString() console.log(encryptedData) const decryptedData = Crypto.AES.decrypt(encryptedData, key, { iv: iv, mode: Crypto.mode.ECB, padding: Crypto.pad.Pkcs7 }) // 解密后的明文 console.log(decryptedData.toString(Crypto.enc.Utf8)) }
测试加密的密文和Java解密能一致之后,我们开始封装方法(aes-util.js):
import Crypto from 'crypto-js' /** * 参考:Java JavaScript AES/CBC/PKCS5Padding 加密解密 * https://www.cnblogs.com/herenwei-wayne/p/15832466.html * * crypto-js依赖 npm地址 * https://www.npmjs.com/package/crypto-js?activeTab=readme * */ const serverKey = 'cloud9.aesde.2023' const key = Crypto.enc.Utf8.parse(serverKey) const iv = Crypto.enc.Utf8.parse(serverKey) /** * 使用AES的(ECB模式)(Pkcs7内嵌)算法进行加密 * @param plainText 明文 * @returns {string} 密文 */ const encryptByEcbPkcs7 = plainText => { const encryptedData = Crypto.AES.encrypt(plainText, key, { iv: iv, mode: Crypto.mode.ECB, padding: Crypto.pad.Pkcs7 }) return encryptedData.toString() } /** * 使用AES的(ECB模式)(Pkcs7内嵌)算法进行解密 * @param cipherText 密文 * @returns {string} 明文 */ const decryptByEcbPkcs7 = cipherText => { const decryptedData = Crypto.AES.decrypt(cipherText, key, { iv: iv, mode: Crypto.mode.ECB, padding: Crypto.pad.Pkcs7 }) return decryptedData.toString(Crypto.enc.Utf8) } /** * 按对象集中导出 */ export { encryptByEcbPkcs7, decryptByEcbPkcs7 }
JS加密与Java解密:
调用时引入需要的方法:
import { encryptByEcbPkcs7 } from '@/utils/encrypt/aes-util' // 调用时方法 param.password = encryptByEcbPkcs7(param.password)
传入后台解码:
String DeString = EncryptAESUtil.Decrypt(enString);