| 提交 | 用户 | age | ||
| 41d89b | 1 | package com.hx.util.mysql.aes; |
| C | 2 | |
| 3 | import com.hx.util.StringUtils; | |
| 4 | import org.apache.commons.codec.binary.Hex; | |
| 5 | ||
| 6 | import javax.crypto.Cipher; | |
| 7 | import javax.crypto.spec.SecretKeySpec; | |
| 8 | import java.io.UnsupportedEncodingException; | |
| 9 | ||
| 10 | /** | |
| 11 | * mybatis数据库的AES_ENCRYPT（加密）和AES_DECRYPT（解密） | |
| 12 | * mybatis数据库的HEX（加壳）UNHEX（解壳） | |
| 13 | * @author CJH | |
| 14 | * @Date 2021-01-06 | |
| 15 | */ | |
| 16 | public class MysqlHexAes { | |
| 17 | ||
| 18 | ||
| 19 | public static SecretKeySpec generateMySQLAESKey(final String key, final String encoding) { | |
| 20 | try { | |
| 21 | final byte[] finalKey = new byte[16]; | |
| 22 | int i = 0; | |
| 23 | for(byte b : key.getBytes(encoding)) { | |
| 24 | finalKey[i++%16] ^= b; | |
| 25 | } | |
| 26 | return new SecretKeySpec(finalKey, "AES"); | |
| 27 | } catch(UnsupportedEncodingException e) { | |
| 28 | throw new RuntimeException(e); | |
| 29 | } | |
| 30 | } | |
| 31 | ||
| 32 | /**AES 解密 | |
| 33 | * @param data 需要解密的数据 | |
| 34 | * @param aesKey 秘钥 | |
| 35 | * @param encoding 编码，不填默认UTF-8 | |
| e5bae5 | 36 | * @return 解密数据 |
| 41d89b | 37 | */ |
| e5bae5 | 38 | public static String decryptData(String data,String aesKey,String encoding) { |
| C | 39 | try{ |
| 40 | if(StringUtils.isEmpty(encoding)){ | |
| 41 | encoding = "UTF-8"; | |
| 42 | } | |
| 43 | // Decrypt | |
| 44 | final Cipher decryptCipher = Cipher.getInstance("AES"); | |
| 45 | decryptCipher.init(Cipher.DECRYPT_MODE, generateMySQLAESKey(aesKey, encoding)); | |
| 46 | data = new String(decryptCipher.doFinal(Hex.decodeHex(data.toCharArray()))); | |
| 47 | }catch (Exception e){ | |
| be7219 | 48 | throw new RuntimeException("解密失败："+e.getMessage()); |
| 41d89b | 49 | } |
| e5bae5 | 50 | return data; |
| 41d89b | 51 | } |
| C | 52 | |
| 53 | /**AES加密 | |
| 54 | * @param data 需要解密的数据 | |
| 55 | * @param aesKey 秘钥 | |
| 56 | * @param encoding 编码，不填默认UTF-8 | |
| 45549c | 57 | * @return 返回大写加密的数据 |
| 41d89b | 58 | */ |
| e5bae5 | 59 | public static String encryptData(String data,String aesKey,String encoding) { |
| C | 60 | try { |
| 61 | if (StringUtils.isEmpty(encoding)) { | |
| 62 | encoding = "UTF-8"; | |
| 63 | } | |
| 64 | // Encrypt | |
| 65 | final Cipher encryptCipher = Cipher.getInstance("AES"); | |
| 66 | encryptCipher.init(Cipher.ENCRYPT_MODE, generateMySQLAESKey(aesKey, encoding)); | |
| 67 | char[] code = Hex.encodeHex(encryptCipher.doFinal(data.getBytes(encoding))); | |
| 68 | StringBuilder builder = new StringBuilder(); | |
| 69 | for (char d : code) { | |
| 70 | builder.append(d); | |
| 71 | } | |
| 72 | data = builder.toString().toUpperCase(); | |
| 73 | } catch (Exception e) { | |
| be7219 | 74 | throw new RuntimeException("加密失败："+e.getMessage()); |
| 41d89b | 75 | } |
| e5bae5 | 76 | return data; |
| 41d89b | 77 | } |
| C | 78 | |
| 79 | } | |
