Fix: Issue7388 - TLS auth failed due to unsupported Ephemeral keys (#…

…7424) Co-authored-by: Tanmay Yerunkar <[email protected]>
Azure · Mar 1, 2025 · 962b767 · 962b767
1 parent 8c5625d
commit 962b767
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/samples/dotnet/EdgeX509AuthDownstreamDevice/Program.cs b/samples/dotnet/EdgeX509AuthDownstreamDevice/Program.cs
@@ -331,6 +331,12 @@ static void Main()
             Console.WriteLine("Creating device client using identity certificate...\n");
 
             var (cert, certChain) = GetClientCertificateAndChainFromFile(DeviceIdentityCertPath, DeviceIdentityPrivateKeyPath);
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                //Windows does not natively support PEM files for TLS connections due to the platform's lack of support for ephemeral keys. 
+                //Hence need to convert the certificate to PFX format.
+                cert = new X509Certificate2(cert.Export(X509ContentType.Pfx));
+            }
             InstallChainCertificates(certChain);
 
             ITransportSettings[] transportSettings = GetTransport(ClientTransportType);