1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/src/tls/KeyExchangeAlgorithm.cs b/crypto/src/tls/KeyExchangeAlgorithm.cs
index fdb2773f1..a4432ca49 100644
--- a/crypto/src/tls/KeyExchangeAlgorithm.cs
+++ b/crypto/src/tls/KeyExchangeAlgorithm.cs
@@ -60,6 +60,11 @@ namespace Org.BouncyCastle.Tls
          */
         public const int SM2 = 25;
 
+        /*
+         * RFC 9189
+         */
+        public const int GOSTR341112_256 = 26;
+
         public static bool IsAnonymous(int keyExchangeAlgorithm)
         {
             switch (keyExchangeAlgorithm)