shiro----编码解码（加密）(加salt盐)

Posted 2021-06-09 苏格拉的底

	<dependency>
      <groupId>commons-logging</groupId>
      <artifactId>commons-logging</artifactId>
      <version>1.1.3</version>
    </dependency>

    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-core</artifactId>
      <version>1.3.2</version>
    </dependency>

    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
    </dependency>

DigestsUtil

import com.sun.org.apache.bcel.internal.generic.NEW;
import org.apache.shiro.crypto.SecureRandomNumberGenerator;
import org.apache.shiro.crypto.hash.SimpleHash;
import sun.security.util.Password;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description：摘要
 */
public class DigestsUtil {

    private static final String SHA1 = "SHA-1";//名称固定写法

    private static final Integer ITERATIONS =512;

    /**
     * @Description sha1方法
     * @param input 需要散列字符串
     * @param salt 盐字符串
     * @return
     */
    public static String sha1(String input, String salt) {
       return new SimpleHash(SHA1, input, salt,ITERATIONS).toString();
    }

    /**
     * @Description 随机获得salt字符串
     * @return
     */
    public static String generateSalt(){
        SecureRandomNumberGenerator randomNumberGenerator = new SecureRandomNumberGenerator();
        return randomNumberGenerator.nextBytes().toHex();
    }


    /**
     * @Description 生成密码字符密文和salt密文
     * @param
     * @return
     */
    public static Map<String,String> entryptPassword(String passwordPlain) {
       Map<String,String> map = new HashMap<>();
       String salt = generateSalt();
       String password =sha1(passwordPlain,salt);
       map.put("salt", salt);
       map.put("password", password);
       return map;
    }
}

ClientTest

import com.itheima.shiro.tools.DigestsUtil;
import com.itheima.shiro.tools.EncodesUtil;
import org.junit.Test;

import java.util.Map;

/**
 * @Description：测试
 */
public class ClientTest {

    /**
     * @Description 测试16进制编码
     */
    @Test
    public void testHex(){
        String val = "holle";
        String flag = EncodesUtil.encodeHex(val.getBytes());
        String valHandler = new String(EncodesUtil.decodeHex(flag));
        System.out.println("比较结果："+val.equals(valHandler));
    }

    /**
     * @Description 测试base64编码
     */
    @Test
    public void testBase64(){
        String val = "holle";
        String flag = EncodesUtil.encodeBase64(val.getBytes());
        String valHandler = new String(EncodesUtil.decodeBase64(flag));
        System.out.println("比较结果："+val.equals(valHandler));
    }

    @Test
    public void testDigestsUtil(){
       Map<String,String> map =  DigestsUtil.entryptPassword("123");
        System.out.println("获得结果："+map.toString());
    }

}