1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/src/tls/TlsDHGroupVerifier.cs b/crypto/src/tls/TlsDHGroupVerifier.cs
new file mode 100644
index 000000000..2fb208cc0
--- /dev/null
+++ b/crypto/src/tls/TlsDHGroupVerifier.cs
@@ -0,0 +1,15 @@
+using System;
+
+using Org.BouncyCastle.Tls.Crypto;
+
+namespace Org.BouncyCastle.Tls
+{
+    /// <summary>Interface for verifying explicit Diffie-Hellman group parameters.</summary>
+    public interface TlsDHGroupVerifier
+    {
+        /// <summary>Check whether the given DH group is acceptable for use.</summary>
+        /// <param name="dhGroup">the <see cref="DHGroup"/> to check.</param>
+        /// <returns>true if (and only if) the specified group is acceptable.</returns>
+        bool Accept(DHGroup dhGroup);
+    }
+}