1 files changed, 48 insertions, 0 deletions
diff --git a/crypto/src/crypto/tls/AbstractTlsPeer.cs b/crypto/src/crypto/tls/AbstractTlsPeer.cs
new file mode 100644
index 000000000..81a53386c
--- /dev/null
+++ b/crypto/src/crypto/tls/AbstractTlsPeer.cs
@@ -0,0 +1,48 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Crypto.Tls
+{
+    public abstract class AbstractTlsPeer
+        :   TlsPeer
+    {
+        public virtual bool ShouldUseGmtUnixTime()
+        {
+            /*
+             * draft-mathewson-no-gmtunixtime-00 2. For the reasons we discuss above, we recommend that
+             * TLS implementors MUST by default set the entire value the ClientHello.Random and
+             * ServerHello.Random fields, including gmt_unix_time, to a cryptographically random
+             * sequence.
+             */
+            return false;
+        }
+
+        public virtual void NotifySecureRenegotiation(bool secureRenegotiation)
+        {
+            if (!secureRenegotiation)
+            {
+                /*
+                 * RFC 5746 3.4/3.6. In this case, some clients/servers may want to terminate the handshake instead
+                 * of continuing; see Section 4.1/4.3 for discussion.
+                 */
+                throw new TlsFatalAlert(AlertDescription.handshake_failure);
+            }
+        }
+
+        public abstract TlsCompression GetCompression();
+
+        public abstract TlsCipher GetCipher();
+
+        public virtual void NotifyAlertRaised(byte alertLevel, byte alertDescription, string message, Exception cause)
+        {
+        }
+
+        public virtual void NotifyAlertReceived(byte alertLevel, byte alertDescription)
+        {
+        }
+
+        public virtual void NotifyHandshakeComplete()
+        {
+        }
+    }
+}