1 files changed, 12 insertions, 0 deletions
diff --git a/crypto/src/crypto/tls/AbstractTlsAgreementCredentials.cs b/crypto/src/crypto/tls/AbstractTlsAgreementCredentials.cs
new file mode 100644
index 000000000..2d7af80e8
--- /dev/null
+++ b/crypto/src/crypto/tls/AbstractTlsAgreementCredentials.cs
@@ -0,0 +1,12 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Crypto.Tls
+{
+    public abstract class AbstractTlsAgreementCredentials
+        :   AbstractTlsCredentials, TlsAgreementCredentials
+    {
+        /// <exception cref="IOException"></exception>
+        public abstract byte[] GenerateAgreement(AsymmetricKeyParameter peerPublicKey);
+    }
+}