add all

Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/tls/DtlsEpoch.cs

@@ -0,0 +1,65 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls
+{
+    internal sealed class DtlsEpoch
+    {
+        private readonly DtlsReplayWindow m_replayWindow = new DtlsReplayWindow();
+
+        private readonly int m_epoch;
+        private readonly TlsCipher m_cipher;
+
+        private long m_sequenceNumber = 0;
+
+        internal DtlsEpoch(int epoch, TlsCipher cipher)
+        {
+            if (epoch < 0)
+                throw new ArgumentException("must be >= 0", "epoch");
+            if (cipher == null)
+                throw new ArgumentNullException("cipher");
+
+            this.m_epoch = epoch;
+            this.m_cipher = cipher;
+        }
+
+        /// <exception cref="IOException"/>
+        internal long AllocateSequenceNumber()
+        {
+            lock (this)
+            {
+                if (m_sequenceNumber >= (1L << 48))
+                    throw new TlsFatalAlert(AlertDescription.internal_error);
+
+                return m_sequenceNumber++;
+            }
+        }
+
+        internal TlsCipher Cipher
+        {
+            get { return m_cipher; }
+        }
+
+        internal int Epoch
+        {
+            get { return m_epoch; }
+        }
+
+        internal DtlsReplayWindow ReplayWindow
+        {
+            get { return m_replayWindow; }
+        }
+
+        internal long SequenceNumber
+        {
+            get { lock (this) return m_sequenceNumber; }
+            set { lock (this) this.m_sequenceNumber = value; }
+        }
+    }
+}
+#pragma warning restore
+#endif