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SMCryptoUtils/ISMUtil.cs

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+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SMCryptoUtils
+{
+    public interface ISMUtil
+    {
+        string decrypt(string data, string appId, string appSecret);
+        string encrypt(string data, string appId, string appSecret);
+        string sign(JObject jsonObject, string appSecret, string privateKey);
+        bool verify(JObject jsonObject, string appSecret, string publicKey, string responseSign);
+    }
+}