修复bytehelper & VlInt中的已知bug

src/test/java/testPrivate.java

@@ -0,0 +1,20 @@
+import minsecurity.crypto.sm2.SM2KeyPair;
+import org.bouncycastle.pqc.math.linearalgebra.ByteUtils;
+
+/*
+ * @Author: hongyu guo
+ * @Description:
+ * @Version: 1.0.0
+ * @Date: 17:22 2021/03/15
+ * @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
+ */
+public class testPrivate {
+    private void func1(){
+        System.out.println("private func1");
+    }
+
+    private void func2(int a, SM2KeyPair sm2KeyPair){
+        System.out.println("a = " + a);
+        System.out.println("private key = " + ByteUtils.toHexString(sm2KeyPair.getSm2PrivateKey().getBytes()));
+    }
+}