From 6ae0901878f342a9c1025c8edc302bdf03f58a6d Mon Sep 17 00:00:00 2001
From: xusd <hugeinfo123>
Date: Wed, 18 Sep 2024 17:37:00 +0800
Subject: [PATCH] 新增获取企业信息接口

---
 dyh-service/dyh-base/src/main/java/cn/huge/base/common/utils/AesUtils.java |   45 ++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/dyh-service/dyh-base/src/main/java/cn/huge/base/common/utils/AesUtils.java b/dyh-service/dyh-base/src/main/java/cn/huge/base/common/utils/AesUtils.java
index 81bf49d..573f867 100644
--- a/dyh-service/dyh-base/src/main/java/cn/huge/base/common/utils/AesUtils.java
+++ b/dyh-service/dyh-base/src/main/java/cn/huge/base/common/utils/AesUtils.java
@@ -2,10 +2,17 @@
 
 import cn.huge.base.common.exception.BaseException;
 import com.thoughtworks.xstream.core.util.Base64Encoder;
+import org.apache.commons.codec.DecoderException;
 import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.codec.binary.Hex;
 
-import javax.crypto.Cipher;
+import javax.crypto.*;
+import javax.crypto.spec.IvParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
+import java.io.UnsupportedEncodingException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
 
 /**
  * @title: aes加密工具
@@ -29,8 +36,13 @@
      */
     public static final String DEFAULT_CIPHER_ALGORITHM = "AES/ECB/PKCS5Padding";
 
+    private static final String iv = "1qaz#EDC123456(,";
+    private static final String Algorithm = "AES";
+    private static final String AlgorithmProvider = "AES/CBC/PKCS5Padding";
+
     /**
      * 加密
+     *
      * @param content
      * @return
      * @throws Exception
@@ -51,6 +63,7 @@
 
     /**
      * 加密
+     *
      * @param content
      * @return
      * @throws Exception
@@ -71,6 +84,7 @@
 
     /**
      * 加密
+     *
      * @param data 返回数据
      * @return ReturnBo
      * @throws Exception
@@ -78,7 +92,7 @@
     public static byte[] encodeByte(Object data) {
         try {
             //加密
-            byte[] raw =AES_PASSWORD.getBytes();
+            byte[] raw = AES_PASSWORD.getBytes();
             SecretKeySpec skeySpec = new SecretKeySpec(raw, KEY_ALGORITHM);
             Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
             cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
@@ -92,6 +106,7 @@
 
     /**
      * 解密
+     *
      * @param content
      * @return
      * @throws Exception
@@ -113,6 +128,7 @@
 
     /**
      * 解密
+     *
      * @param content
      * @return
      * @throws Exception
@@ -128,12 +144,35 @@
             byte[] contentByte = new Base64().decode(content);
             byte[] result = cipher.doFinal(contentByte);
             //AES解密
-            return new String(result,"utf-8");
+            return new String(result, "utf-8");
         } catch (Exception e) {
             throw new BaseException("AesUtils.decode", e);
         }
     }
 
+
+    public static String decrypt(String enc, String uniqueKey) throws NoSuchPaddingException, NoSuchAlgorithmException, UnsupportedEncodingException, InvalidAlgorithmParameterException, InvalidKeyException, DecoderException, IllegalBlockSizeException, BadPaddingException {
+        byte[] key = uniqueKey.getBytes();
+        SecretKey secretKey = new SecretKeySpec(key, Algorithm);
+        IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes("utf-8"));
+        Cipher cipher = Cipher.getInstance(AlgorithmProvider);
+        cipher.init(Cipher.DECRYPT_MODE, secretKey, ivParameterSpec);
+        byte[] hexBytes = hexStringToBytes(enc);
+        byte[] plainBytes = cipher.doFinal(hexBytes);
+        return new String(plainBytes, "UTF-8");
+    }
+
+    /**
+     * 将16进制字符串转换为byte数组
+     *
+     * @param hexString
+     * @return
+     */
+    private static byte[] hexStringToBytes(String hexString) throws DecoderException {
+        return Hex.decodeHex(hexString);
+    }
+
+
     /**
      * 字节数组转Base64编码
      *

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