提供此代码方便自己以后直接查询用,也可以方便其他朋友直接拿来用。
1 import javax.crypto.Cipher; 2 import javax.crypto.spec.IvParameterSpec; 3 import javax.crypto.spec.SecretKeySpec; 4 import sun.misc.BASE64Decoder; 5 import sun.misc.BASE64Encoder; 6 /** 7 * <p>标题: 对称加密解密AES</p> 8 * <p>功能: 对数据进行AES加密解密</p> 9 * 作者:赵力10 */11 public class EncryAESUtil12 {13 private final static String ivParameter = "f80937b36491699b"; //初始化向量参数,AES 为16bytes 此常量在作为公钥之后不要再改动了14 15 public static void main(String[] args)16 {17 String sKey = "e772834b14c16549";//私钥 注意一定要16位18 String pwd = "limx_1234";19 System.out.println("加密前:" + pwd);20 String enData = encrypt(pwd, sKey);21 System.out.println("加密后:" + enData);22 String deData = decrypt(enData, sKey);23 System.out.println("解密后:" + deData);24 }25 26 /**27 * 加密 28 * @param sSrc 需加密数据29 * @param sKey 私钥 ,可以用字母和数字组成,AES固定格式为128/192/256 bits.即:16/24/32bytes。此处使用AES-128-CBC加密模式30 * @return31 * ZhaoLi32 */33 public static String encrypt(String sSrc, String sKey)34 {35 try36 {37 Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");//算法/模式/填充38 byte[] raw = sKey.getBytes();39 SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");40 //使用CBC模式,需要一个向量iv,可增加加密算法的强度41 IvParameterSpec iv = new IvParameterSpec(ivParameter.getBytes());42 cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);43 byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));44 return new BASE64Encoder().encode(encrypted);45 } catch (Exception e)46 {47 throw new RuntimeException("加密失败!", e);48 }49 }50 51 /**52 * 解密 53 * @param sSrc 需解密数据54 * @param sKey 私钥 ,可以用字母和数字组成,AES固定格式为128/192/256 bits.即:16/24/32bytes。此处使用AES-128-CBC加密模式55 * @return56 * ZhaoLi57 */58 public static String decrypt(String sSrc, String sKey)59 {60 try61 {62 byte[] raw = sKey.getBytes("ASCII");63 SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");64 Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");65 IvParameterSpec iv = new IvParameterSpec(ivParameter.getBytes());66 cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);67 byte[] encrypted1 = new BASE64Decoder().decodeBuffer(sSrc);// 先用base64解密 68 byte[] original = cipher.doFinal(encrypted1);69 String originalString = new String(original, "utf-8");70 return originalString;71 } catch (Exception e)72 {73 throw new RuntimeException("解密失败!", e);74 }75 }76 }
自己要先看得起自己,别人才会看得起你