https://learn.microsoft.com/en-us/dotnet/api/system.net.security.sslstream.keyexchangestrength?view=netframework-4.8.1&viewFallbackFrom=net-10.0
SslStream.KeyExchangeStrength Property (System.Net.Security) | Microsoft Learn
Gets a value that identifies the strength of the key exchange algorithm used by this instance.
property systemsecuritymicrosoftlearn