如何使用simpleauthenticationinfo

package com.util;
import com.domain.User;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.sun.crypto.provider.AESKeyGenerator;
import org.apache.shiro.codec.Base64;
import org.apache.shiro.codec.CodecSupport;
import org.apache.shiro.codec.H64;
import org.apache.shiro.codec.Hex;
import org.apache.shiro.crypto.AesCipherService;
import org.apache.shiro.crypto.SecureRandomNumberGenerator;
import org.apache.shiro.crypto.hash.Md5Hash;
import java.security.Key;
/**
* User： cutter.li
* Date： 2014/6/27 0027
* Time： 16:49
* 备注： shiro进行加密解密的工具类封装
*/
public final class EndecryptUtils {
/**
* base64进制加密
*
* @param password
* @return
*/
public static String encrytBase64(String password) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(password), "不能为空");
byte[] bytes = password.getBytes();
return Base64.encodeToString(bytes);
}
/**
* base64进制解密
* @param cipherText
* @return
*/
public static String decryptBase64(String cipherText) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(cipherText), "消息摘要不能为空");
return Base64.decodeToString(cipherText);
}
/**
* 16进制加密
*
* @param password
* @return
*/
public static String encrytHex(String password) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(password), "不能为空");
byte[] bytes = password.getBytes();
return Hex.encodeToString(bytes);
}
/**
* 16进制解密
* @param cipherText
* @return
*/
public static String decryptHex(String cipherText) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(cipherText), "消息摘要不能为空");
return new String(Hex.decode(cipherText));
}
public static String generateKey()
{
AesCipherService aesCipherService=new AesCipherService();
Key key=aesCipherService.generateNewKey();
return Base64.encodeToString(key.getEncoded());
}
/**
* 对密码进行md5加密,并返回密文和salt，包含在User对象中
* @param username 用户名
* @param password 密码
* @return 密文和salt
*/
public static User md5Password(String username,String password){
Preconditions.checkArgument(!Strings.isNullOrEmpty(username),"username不能为空");
Preconditions.checkArgument(!Strings.isNullOrEmpty(password),"password不能为空");
SecureRandomNumberGenerator secureRandomNumberGenerator=new SecureRandomNumberGenerator();
String salt= secureRandomNumberGenerator.nextBytes().toHex();
//组合username,两次迭代，对密码进行加密
String password_cipherText= new Md5Hash(password,username+salt,2).toBase64();
User user=new User();
user.setPassword(password_cipherText);
user.setSalt(salt);
user.setUsername(username);
return user;
}
public static void main(String[] args) {
String password = "admin";
String cipherText = encrytHex(password);
System.out.println(password + "hex加密之后的密文是：" + cipherText);
String decrptPassword=decryptHex(cipherText);
System.out.println(cipherText + "hex解密之后的密码是：" + decrptPassword);
String cipherText_base64 = encrytBase64(password);
System.out.println(password + "base64加密之后的密文是：" + cipherText_base64);
String decrptPassword_base64=decryptBase64(cipherText_base64);
System.out.println(cipherText_base64 + "base64解密之后的密码是：" + decrptPassword_base64);
String h64= H64.encodeToString(password.getBytes());
System.out.println(h64);
String salt="7road";
String cipherText_md5= new Md5Hash(password,salt,4).toHex();
System.out.println(password+"通过md5加密之后的密文是："+cipherText_md5);
System.out.println(generateKey());
System.out.println("==========================================================");
AesCipherService aesCipherService=new AesCipherService();
aesCipherService.setKeySize(128);
Key key=aesCipherService.generateNewKey();
String aes_cipherText= aesCipherService.encrypt(password.getBytes(),key.getEncoded()).toHex();
System.out.println(password+" aes加密的密文是："+aes_cipherText);
String aes_mingwen=new String(aesCipherService.decrypt(Hex.decode(aes_cipherText),key.getEncoded()).getBytes());
System.out.println(aes_cipherText+" aes解密的明文是："+aes_mingwen);
}
}