【7.0.4】请求响应加密解密模块更新获取RSA实例方式

kernel-d-security/security-sdk-request-encrypt-and-decode/src/main/java/cn/stylefeng/roses/kernel/security/request/encrypt/advice/EncryptionRequestBodyAdvice.java

@@ -18,6 +18,7 @@ import cn.stylefeng.roses.kernel.security.request.encrypt.constants.EncryptionCo
 import cn.stylefeng.roses.kernel.security.request.encrypt.exception.EncryptionException;
 import cn.stylefeng.roses.kernel.security.request.encrypt.exception.enums.EncryptionExceptionEnum;
 import cn.stylefeng.roses.kernel.security.request.encrypt.holder.EncryptionHolder;
+import cn.stylefeng.roses.kernel.security.request.encrypt.holder.EncryptionRsaHolder;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import lombok.extern.slf4j.Slf4j;
@@ -110,7 +111,7 @@ public class EncryptionRequestBodyAdvice implements RequestBodyAdvice {
                             }
 
                             // 使用私钥解密出返回加密数据的key和请求的内容
-                            RSA rsa = new RSA(EncryptionConstants.PRIVATE_KEY, EncryptionConstants.PUBLIC_KEY);
+                            RSA rsa = EncryptionRsaHolder.getRsa();
 
                             // 先使用SM4解密出请求的json
                             String objectString = jsonObject.getString("data");

kernel-d-security/security-sdk-request-encrypt-and-decode/src/main/java/cn/stylefeng/roses/kernel/security/request/encrypt/holder/EncryptionRsaHolder.java

@@ -0,0 +1,31 @@
+package cn.stylefeng.roses.kernel.security.request.encrypt.holder;
+
+import cn.hutool.crypto.asymmetric.RSA;
+import cn.stylefeng.roses.kernel.security.request.encrypt.constants.EncryptionConstants;
+
+/**
+ * 用于存储RSA实例
+ *
+ * @author luojie
+ * @date 2021/6/4 08:58
+ */
+public class EncryptionRsaHolder {
+
+    private static final ThreadLocal<RSA> RSA_HOLDER = new ThreadLocal<RSA>() {
+        @Override
+        protected RSA initialValue() {
+            return new RSA(EncryptionConstants.PRIVATE_KEY, EncryptionConstants.PUBLIC_KEY);
+        }
+    };
+
+    /**
+     * 获取 RSA 实例
+     *
+     * @author luojie
+     * @date 2021/6/4 08:59
+     */
+    public static RSA getRsa() {
+        return RSA_HOLDER.get();
+    }
+
+}