clean code

electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/AESUtils.java

@@ -6,10 +6,8 @@ import org.bouncycastle.jce.provider.BouncyCastleProvider;
 
 import javax.crypto.*;
 import javax.crypto.spec.SecretKeySpec;
-import java.io.UnsupportedEncodingException;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
 import java.security.Security;
 
 /**
@@ -21,56 +19,6 @@ import java.security.Security;
  */
 public class AESUtils {
 
-    /**
-     * <p>Discription:[加密]</p>
-     * Created on 2022/07/06 10:52
-     *
-     * @param content 明文 用JSON.toJSONString(Map<String, String> map)转换的json字符串
-     * @param key     加解密规则 访客系统提供key
-     * @return String 密文
-     */
-    public static String ecodes(String content, String key) {
-        if (content == null || content.length() < 1) {
-            return null;
-        }
-        try {
-            KeyGenerator kgen = KeyGenerator.getInstance("AES");
-            SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
-            random.setSeed(key.getBytes());
-            kgen.init(128, random);
-            SecretKey secretKey = kgen.generateKey();
-            byte[] enCodeFormat = secretKey.getEncoded();
-            SecretKeySpec secretKeySpec = new SecretKeySpec(enCodeFormat, "AES");
-            Cipher cipher = Cipher.getInstance("AES");
-            byte[] byteContent = content.getBytes("utf-8");
-            cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);
-            byte[] byteRresult = cipher.doFinal(byteContent);
-            StringBuffer sb = new StringBuffer();
-            for (int i = 0; i < byteRresult.length; i++) {
-                String hex = Integer.toHexString(byteRresult[i] & 0xFF);
-                if (hex.length() == 1) {
-                    hex = '0' + hex;
-                }
-                sb.append(hex.toUpperCase());
-            }
-            return sb.toString();
-        } catch (NoSuchAlgorithmException e) {
-            e.printStackTrace();
-        } catch (NoSuchPaddingException e) {
-            e.printStackTrace();
-        } catch (InvalidKeyException e) {
-            e.printStackTrace();
-        } catch (UnsupportedEncodingException e) {
-            e.printStackTrace();
-        } catch (IllegalBlockSizeException e) {
-            e.printStackTrace();
-        } catch (BadPaddingException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-
     /**
      * 前端使用ECB，后端解密方法
      *