将VMSConnection模块加入min-dev-java，以支持与VMS进行通信，执行注册、登录等功能

src/main/java/VMSConnection/Security/SM2/PublicKeyInterface.java

@@ -0,0 +1,17 @@
+package VMSConnection.Security.SM2;
+/*
+ * @Author: hongyu guo
+ * @Description: 所有对称加密方法必须实现的基本方法
+ * @Version: 1.0.0
+ * @Date: 17:06 2021/03/03
+ * @Copyright: MIN-Group；国家重大科技基础设施——未来网络北大实验室；深圳市信息论与未来网络重点实验室
+ */
+
+import org.bouncycastle.crypto.InvalidCipherTextException;
+
+public interface PublicKeyInterface {
+    public byte[] getBytes();
+    public boolean setBytes(byte[] bytes);
+    public byte[] encrypt(byte[] content) throws InvalidCipherTextException;
+    public boolean verify(byte[] content, byte[] digest);
+}