<PackageReference Include="NETStandard.Library" Version="2.0.1" />

System.Net.Security.AuthenticatedStream

public abstract class AuthenticatedStream : Stream
namespace System.Net.Security { public abstract class AuthenticatedStream : Stream { protected Stream InnerStream { get; } public abstract bool IsAuthenticated { get; } public abstract bool IsEncrypted { get; } public abstract bool IsMutuallyAuthenticated { get; } public abstract bool IsServer { get; } public abstract bool IsSigned { get; } public bool LeaveInnerStreamOpen { get; } protected AuthenticatedStream(Stream innerStream, bool leaveInnerStreamOpen); } }