Example of using System.ServiceModel.Federation with Windows Integrated Auth on net8.0 and net48

WSTrust on NetCore.cs

using System;

#if NET
using System.IdentityModel.Tokens;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.ServiceModel.Federation;
using Microsoft.IdentityModel.Protocols.WsTrust;
using Microsoft.IdentityModel.Protocols.WsPolicy;
using Microsoft.IdentityModel.Protocols.WsAddressing;
#else
using System.IdentityModel.Protocols.WSTrust;
using System.IdentityModel.Tokens;
using System.ServiceModel;
using System.ServiceModel.Security;
#endif

internal class Program
{
    private static void Main(string[] args)
    {
        string url = args[0];
        string rp = args[1];
        string user = null, pass = null;
        if (args.Length > 2)
        {
            user = args[2];
            pass = args[3];
        }

        WS2007HttpBinding binding = new WS2007HttpBinding();
        //binding.Security.Mode = SecurityMode.TransportWithMessageCredential;
        binding.Security.Mode = SecurityMode.Transport;
        binding.Security.Message.EstablishSecurityContext = false;
        binding.Security.Message.NegotiateServiceCredential = false;
        //binding.Security.Message.ClientCredentialType = user is null ? MessageCredentialType.Windows : MessageCredentialType.UserName;
        binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Windows;

        var factory = new WSTrustChannelFactory(binding, new EndpointAddress(url));
#if !NET
        factory.Credentials.SupportInteractive = false;
        factory.Credentials.UseIdentityConfiguration = true;
        factory.TrustVersion = TrustVersion.WSTrust13;
#endif
        if (user != null)
        {
            factory.Credentials.UserName.UserName = user;
            factory.Credentials.UserName.Password = pass;
        }

        //token request
#if NET
        var req = new WsTrustRequest(WsTrustActions.Trust13.Issue)
        {
            AppliesTo = new AppliesTo(new EndpointReference(rp)),
            KeyType = WsTrustKeyTypes.Trust13.Bearer,
            WsTrustVersion = WsTrustVersion.Trust13,
        };
#else
        var req = new RequestSecurityToken(RequestTypes.Issue)
        {
            AppliesTo = new EndpointReference(rp),
            KeyType = KeyTypes.Bearer,
        };
#endif

        //get the token, if credentials are invalid, an exception will be thrown
#if NET
        var stschannel = factory.CreateTrustChannel();
        var token = (GenericXmlSecurityToken)stschannel.IssueAsync(req).Result;
#else
        var stschannel = factory.CreateChannel();
        var token = (GenericXmlSecurityToken)stschannel.Issue(req);
#endif
        var xml = ;
        Console.WriteLine(xml);
    }
}

WSTrust on NetCore.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup Condition="'$(TargetFramework)' == 'net48'">
    <Reference Include="System.IdentityModel" />
    <Reference Include="System.ServiceModel" />
  </ItemGroup>

  <ItemGroup Condition="'$(TargetFramework)' != 'net48'">
    <PackageReference Include="System.ServiceModel.Federation" Version="8.0.0" />
    <PackageReference Include="System.ServiceModel.Http" Version="8.0.0" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.IdentityModel.Tokens.Saml" Version="7.4.0" />
  </ItemGroup>

</Project>