Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/GostCryptography/Asn1/Ber/Asn1TraceHandler.cs

@@ -0,0 +1,46 @@
+using System;
+using System.IO;
+
+namespace GostCryptography.Asn1.Ber
+{
+    public class Asn1TraceHandler : IAsn1NamedEventHandler
+    {
+        internal StreamWriter mPrintStream;
+
+        public Asn1TraceHandler()
+        {
+            mPrintStream = new StreamWriter(Console.OpenStandardOutput(), Console.Out.Encoding);
+            mPrintStream.AutoFlush = true;
+        }
+
+        public Asn1TraceHandler(StreamWriter ps)
+        {
+            mPrintStream = ps;
+        }
+
+        public virtual void Characters(string svalue, short typeCode)
+        {
+            mPrintStream.WriteLine("data: " + svalue);
+        }
+
+        public virtual void EndElement(string name, int index)
+        {
+            mPrintStream.Write(name);
+            if (index >= 0)
+            {
+                mPrintStream.Write("[" + index + "]");
+            }
+            mPrintStream.WriteLine(": end");
+        }
+
+        public virtual void StartElement(string name, int index)
+        {
+            mPrintStream.Write(name);
+            if (index >= 0)
+            {
+                mPrintStream.Write("[" + index + "]");
+            }
+            mPrintStream.WriteLine(": start");
+        }
+    }
+}