Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/GostCryptography/Asn1/Ber/Asn1ChoiceExt.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace GostCryptography.Asn1.Ber
+{
+    [Serializable]
+    public class Asn1ChoiceExt : Asn1OpenType
+    {
+        public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
+        {
+            base.Decode(buffer, false, 0);
+        }
+
+        public override int Encode(Asn1BerEncodeBuffer buffer, bool explicitTagging)
+        {
+            return base.Encode(buffer, false);
+        }
+
+        public override void Encode(Asn1BerOutputStream outs, bool explicitTagging)
+        {
+            base.Encode(outs, false);
+        }
+    }
+}