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| | | 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 |
| | | * @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; |
| | | |
| | | } |
| | | |
| | | } |