Mybatis Plus 插件注册机

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  public static synchronized boolean refValid()  {    if (!validated)    {      validated = true;      try      {        String key = MybatisSetting.getInstance().getKey(); //KEY        String result = MybatisSetting.getInstance().getResult(); //RESULT        if ((StringUtils.isBlank(key)) || (StringUtils.isBlank(result)))        {          valid = false;        }        else        {          Key publicKey = Codec.loadKey(key);          Codec.decrypt(publicKey, Hexs.toBytes(result));          valid = true;        }      }      catch (Exception e)      {        valid = false;      }    }    return valid;  }

这里说明KEY和RESULT其实是C:\Users\ilanyu\.IntelliJIdea2016.2\config\options\mybatis.xml这个文件中获取到的

下面的

Key publicKey = Codec.loadKey(key);Codec.decrypt(publicKey, Hexs.toBytes(result));

这两句是校验KEY和RESULT的

具体代码如下

public static Key loadKey(String key){  Preconditions.checkNotNull(key, "key must not be null");  try  {    KeyFactory factory = KeyFactory.getInstance("RSA");    X509EncodedKeySpec spec = new X509EncodedKeySpec(Hexs.toBytes(key));    return factory.generatePublic(spec);  }  catch (Exception e)  {    throw new RuntimeException(e);  }}public static byte[] decrypt(Key key, byte[] raw){  Preconditions.checkNotNull(key, "key must not be null");  Preconditions.checkNotNull(raw, "raw must not be null");  try  {    Cipher cipher = Cipher.getInstance("RSA");    cipher.init(2, key);    return cipher.doFinal(raw);  }  catch (Exception e)  {    throw new RuntimeException(e);  }}

首先对KEY检查，看是否含有公钥，有就通过，没有就失败
然后用KEY里的公钥检测能不能用来解密RESULT

针对性的注册机：

package com.lanyus;import javax.crypto.BadPaddingException;import javax.crypto.Cipher;import javax.crypto.IllegalBlockSizeException;import javax.crypto.NoSuchPaddingException;import java.security.*;import java.security.interfaces.RSAPrivateKey;import java.security.interfaces.RSAPublicKey;public class Main {    public static void main(String[] args) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {        KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");        keygen.initialize(512);        KeyPair kp = keygen.generateKeyPair();        RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();        RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();        System.out.println("KEY:\n" + bytesToHexString(publicKey.getEncoded()) + "\n");        Cipher cipher = Cipher.getInstance("RSA");        cipher.init(Cipher.ENCRYPT_MODE,privateKey);        System.out.println("RESULT:\n" + bytesToHexString(cipher.doFinal("ilanyu".getBytes())) + "\n");    }    private static String bytesToHexString(byte[] src){        StringBuilder stringBuilder = new StringBuilder("");        if (src == null || src.length <= 0) {            return null;        }        for (byte aSrc : src) {            int v = aSrc & 0xFF;            String hv = Integer.toHexString(v);            if (hv.length() < 2) {                stringBuilder.append(0);            }            stringBuilder.append(hv);        }        return stringBuilder.toString();    }}

计算出来的KEY和RESULT:
KEY:
305c300d06092a864886f70d0101010500034b003048024100878e6bea07d7052499419efe4ed4382f426dc5ca2d01140f896a6d0566526c6757ff591347d888bd032f94ce92609ce0cc349de0ba9043dc3163f9667438a14d0203010001
RESULT:
414834456369b9329793f0b42c6c0af67d00516c7ceb136ad221fa0355dc2cd611ed1bcd36b61d00ba7e587d253c1de145831cd0d65b891c9dc34430f9e69c59

说下KEY和RESULT的使用方法:
1、安装官方版mybatis plus插件,然后关闭IDEA
2、hosts中添加127.0.0.1 www.codesmagic.com
3、记事本打开C:\Users\{USER}\.IntelliJIdea{VERSION}\config\options\mybatis.xml，

对应的字段中，打开idea，mybatis插件已经激活

写入到127.0.0.1 www.codesmagic.com

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