package com.hx.util.mysql.aes;
|
|
import com.hx.util.StringUtils;
|
import org.apache.commons.codec.binary.Hex;
|
|
import javax.crypto.Cipher;
|
import javax.crypto.spec.SecretKeySpec;
|
import java.io.UnsupportedEncodingException;
|
|
/**
|
* mybatis数据库的AES_ENCRYPT（加密）和AES_DECRYPT（解密）
|
* mybatis数据库的HEX（加壳）UNHEX（解壳）
|
* @author CJH
|
* @Date 2021-01-06
|
*/
|
public class MysqlHexAes {
|
|
|
public static SecretKeySpec generateMySQLAESKey(final String key, final String encoding) {
|
try {
|
final byte[] finalKey = new byte[16];
|
int i = 0;
|
for(byte b : key.getBytes(encoding)) {
|
finalKey[i++%16] ^= b;
|
}
|
return new SecretKeySpec(finalKey, "AES");
|
} catch(UnsupportedEncodingException e) {
|
throw new RuntimeException(e);
|
}
|
}
|
|
/**AES 解密
|
* @param data 需要解密的数据
|
* @param aesKey 秘钥
|
* @param encoding 编码，不填默认UTF-8
|
* @return
|
* @throws Exception
|
*/
|
public static String decrpt(String data,String aesKey,String encoding) throws Exception {
|
if(StringUtils.isEmpty(encoding)){
|
encoding = "UTF-8";
|
}
|
// Decrypt
|
final Cipher decryptCipher = Cipher.getInstance("AES");
|
decryptCipher.init(Cipher.DECRYPT_MODE, generateMySQLAESKey(aesKey, encoding));
|
return new String(decryptCipher.doFinal(Hex.decodeHex(data.toCharArray())));
|
}
|
|
/**AES加密
|
* @param data 需要解密的数据
|
* @param aesKey 秘钥
|
* @param encoding 编码，不填默认UTF-8
|
* @return 返回大写加密的数据
|
* @throws Exception
|
*/
|
public static String encrpt(String data,String aesKey,String encoding) throws Exception {
|
if(StringUtils.isEmpty(encoding)){
|
encoding = "UTF-8";
|
}
|
// Encrypt
|
final Cipher encryptCipher = Cipher.getInstance("AES");
|
encryptCipher.init(Cipher.ENCRYPT_MODE, generateMySQLAESKey(aesKey, encoding));
|
char[] code = Hex.encodeHex(encryptCipher.doFinal(data.getBytes(encoding)));
|
StringBuilder builder = new StringBuilder();
|
for (char d : code) {
|
builder.append(d);
|
}
|
String strning = builder.toString();
|
return strning.toUpperCase();
|
|
}
|
|
}
|
