Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/GostCryptography/Gost_R3410/Gost_R3410_2001_KeyExchangeFormatter.cs

@@ -0,0 +1,31 @@
+using GostCryptography.Asn1.Gost.Gost_R3410_2001;
+using GostCryptography.Base;
+using System.Security.Cryptography;
+
+namespace GostCryptography.Gost_R3410
+{
+    /// <summary>
+    /// Реализация шифрования общего секретного ключа по ГОСТ Р 34.10-2001
+    /// </summary>
+    public sealed class Gost_R3410_2001_KeyExchangeFormatter : Gost_R3410_KeyExchangeFormatter<
+        Gost_R3410_2001_KeyExchange,
+        Gost_R3410_2001_KeyExchangeParams,
+        Gost_R3410_2001_KeyExchangeAlgorithm>
+    {
+        /// <inheritdoc />
+        public Gost_R3410_2001_KeyExchangeFormatter()
+        {
+        }
+
+        /// <inheritdoc />
+        public Gost_R3410_2001_KeyExchangeFormatter(AsymmetricAlgorithm publicKey) : base(publicKey)
+        {
+        }
+
+        /// <inheritdoc />
+        protected override Gost_R3410_EphemeralAsymmetricAlgorithm<Gost_R3410_2001_KeyExchangeParams, Gost_R3410_2001_KeyExchangeAlgorithm> CreateEphemeralAlgorithm(ProviderType providerType, Gost_R3410_2001_KeyExchangeParams keyExchangeParameters)
+        {
+            return new Gost_R3410_2001_EphemeralAsymmetricAlgorithm(providerType, keyExchangeParameters);
+        }
+    }
+}