From aa5258919b6f52ae0d1eec657a421784f1b6241e Mon Sep 17 00:00:00 2001
From: Peter Dettman <peter.dettman@bouncycastle.org>
Date: Wed, 28 Jul 2021 19:53:31 +0700
Subject: Set psk_key_exchange_modes extension

---
 crypto/src/tls/TlsUtilities.cs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'crypto/src/tls')

diff --git a/crypto/src/tls/TlsUtilities.cs b/crypto/src/tls/TlsUtilities.cs
index 8df787b6f..b03548398 100644
--- a/crypto/src/tls/TlsUtilities.cs
+++ b/crypto/src/tls/TlsUtilities.cs
@@ -5481,6 +5481,7 @@ namespace Org.BouncyCastle.Tls
             int bindersSize = OfferedPsks.GetBindersSize(pskExternals);
 
             AddPreSharedKeyToClientExtensions(pskExternals, clientExtensions);
+            TlsExtensionsUtilities.AddPskKeyExchangeModesExtension(clientExtensions, pskKeyExchangeModes);
 
             return new OfferedPsks.BindersConfig(pskExternals, pskKeyExchangeModes, pskEarlySecrets, bindersSize);
         }
@@ -5520,6 +5521,7 @@ namespace Org.BouncyCastle.Tls
             }
 
             AddPreSharedKeyToClientExtensions(result.m_psks, clientExtensions);
+            // NOTE: psk_key_exchange_modes should already be in 'clientExtensions' from the ClientHello
 
             return result;
         }
-- 
cgit 1.4.1