From 790c2ba4a0b46edf191e3bac84931f796bd42b8f Mon Sep 17 00:00:00 2001
From: zhangf <1603559716@qq.com>
Date: 星期三, 24 七月 2024 09:02:49 +0800
Subject: [PATCH] 三方对接接口优化
---
ruoyi-common/src/main/java/com/ruoyi/common/signature/AESUtils.java | 94 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 94 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/signature/AESUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/signature/AESUtils.java
new file mode 100644
index 0000000..8b4f559
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/signature/AESUtils.java
@@ -0,0 +1,94 @@
+package com.ruoyi.common.signature;
+
+
+import com.ruoyi.common.constant.Constants;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.util.Base64;
+
+public class AESUtils {
+
+ private static final String key="Bd26jqDDJcdnBocn";
+ private static final String iv ="oVKRQCjElggSbd8D";
+
+ /**
+ * @Description AES算法加密明文
+ * @param data 明文
+ * @param key 密钥，长度16
+ * @param iv 偏移量，长度16
+ * @return 密文
+ */
+ public static String encrypt(String data){
+ try {
+ Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+ int blockSize = cipher.getBlockSize();
+ byte[] dataBytes = data.getBytes(Constants.UTF8);
+ int plaintextLength = dataBytes.length;
+
+ if (plaintextLength % blockSize != 0) {
+ plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
+ }
+
+ byte[] plaintext = new byte[plaintextLength];
+ System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
+
+ SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
+ IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes()); // CBC模式，需要一个向量iv，可增加加密算法的强度
+
+ cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
+ byte[] encrypted = cipher.doFinal(plaintext);
+ // BASE64做转码。
+ String aseEncode = Base64.getEncoder().encodeToString(encrypted);
+ return aseEncode.trim();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ throw new RuntimeException(e.getMessage());
+ }
+ }
+
+ /**
+ * @Description AES算法解密密文
+ * @param data 密文
+ * @param key 密钥，长度16
+ * @param iv 偏移量，长度16
+ * @return 明文
+ */
+ public static String decrypt(String data){
+ try
+ {
+ byte[] encryptCode = Base64.getDecoder().decode(data);//先用base64解密
+
+ Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+ SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
+ IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
+
+ cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);
+
+ byte[] original = cipher.doFinal(encryptCode);
+ String originalString = new String(original);
+ return originalString.trim();
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ throw new RuntimeException(e.getMessage());
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ String key="Bd26jqDDJcdnBocn";
+ String iv ="oVKRQCjElggSbd8D";
+
+ /* System.out.println("****************************************");
+ String encode = AESUtils.encrypt("测试", key, iv);
+ System.out.println(encode);
+ System.out.println("****************************************");
+ String decode = AESUtils.decrypt(encode, key, iv);
+ System.out.println(decode);
+ System.out.println("****************************************");*/
+ }
+
+}
--
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