方法: 署名および暗号化に個別の X.509 証明書を使用する

[アーティクル]
04/07/2023

このトピックでは、クライアントとサービスの両方でメッセージの署名と暗号化に異なる証明書を使用するように Windows Communication Foundation (WCF) を構成する方法を示します。

WCF では複数のクライアントまたはサービスの証明書を設定する API が提供されていないため、署名と暗号化で別の証明書を使用できるようにするには、カスタムクライアントまたはサービスの資格情報 (あるいはその両方) を作成する必要があります。さらに、複数の証明書の情報を利用し、指定されたキーの使用方法やメッセージの方向について適切なセキュリティトークンプロバイダーを作成するために、セキュリティトークンマネージャーを用意する必要があります。

使用される主要なクラス、そのクラスの継承元のクラス (上向きの矢印で表示)、および特定のメソッドおよびプロパティの戻り値の型を次の図に示します。

MyClientCredentials は、ClientCredentials のカスタム実装です。
- 図に示されたすべてのプロパティは、すべて X509Certificate2 のインスタンスを返します。
- メソッド CreateSecurityTokenManager は、MyClientCredentialsSecurityTokenManager のインスタンスを返します。
MyClientCredentialsSecurityTokenManager は、ClientCredentialsSecurityTokenManager のカスタム実装です。
- メソッド CreateSecurityTokenProvider は、X509SecurityTokenProvider のインスタンスを返します。

Chart showing how client credentials are used

カスタム資格情報の詳細については、「チュートリアル: カスタムクライアントおよびサービスの資格情報を作成する」を参照してください。

また、カスタム ID 検証機能を作成し、カスタムバインドのセキュリティバインド要素にリンクする必要があります。さらに、既定の資格情報の代わりにカスタム資格情報を使用する必要があります。

カスタムバインドに関連したクラス、およびカスタム ID 検証機能のリンク方法を次の図に示します。関連するバインド要素はいくつかありますが、そのすべてが BindingElement から継承されています。 AsymmetricSecurityBindingElement には、LocalClientSecuritySettings プロパティがあります。このプロパティは、IdentityVerifier のカスタマイズの元となる MyIdentityVerifier のインスタンスを返します。

Chart showing a custom binding element

カスタム ID 検証機能の作成の詳細については、「方法: カスタムクライアント ID 検証機能を作成する」を参照してください。

署名と暗号化に別個の証明書を使用するには

ClientCredentials クラスを継承する新しいクライアント資格情報クラスを定義します。複数の証明書を指定できるようにする、ClientSigningCertificate、ClientEncryptingCertificate、ServiceSigningCertificate、および ServiceEncryptingCertificate の 4 つの新しいプロパティを実装します。また、CreateSecurityTokenManager メソッドをオーバーライドして、次のステップで定義するカスタマイズ済みの ClientCredentialsSecurityTokenManager クラスのインスタンスを返すように設定します。

public class MyClientCredentials : ClientCredentials
{
    X509Certificate2 clientSigningCert;
    X509Certificate2 clientEncryptingCert;
    X509Certificate2 serviceSigningCert;
    X509Certificate2 serviceEncryptingCert;

    public MyClientCredentials()
    {
    }

    protected MyClientCredentials(MyClientCredentials other)
        : base(other)
    {
        this.clientEncryptingCert = other.clientEncryptingCert;
        this.clientSigningCert = other.clientSigningCert;
        this.serviceEncryptingCert = other.serviceEncryptingCert;
        this.serviceSigningCert = other.serviceSigningCert;
    }

    public X509Certificate2 ClientSigningCertificate
    {
        get
        {
            return this.clientSigningCert;
        }
        set
        {
            this.clientSigningCert = value;
        }
    }

    public X509Certificate2 ClientEncryptingCertificate
    {
        get
        {
            return this.clientEncryptingCert;
        }
        set
        {
            this.clientEncryptingCert = value;
        }
    }

    public X509Certificate2 ServiceSigningCertificate
    {
        get
        {
            return this.serviceSigningCert;
        }
        set
        {
            this.serviceSigningCert = value;
        }
    }

    public X509Certificate2 ServiceEncryptingCertificate
    {
        get
        {
            return this.serviceEncryptingCert;
        }
        set
        {
            this.serviceEncryptingCert = value;
        }
    }

    public override SecurityTokenManager CreateSecurityTokenManager()
    {
        return new MyClientCredentialsSecurityTokenManager(this);
    }

    protected override ClientCredentials CloneCore()
    {
        return new MyClientCredentials(this);
    }
}

Public Class MyClientCredentials
    Inherits ClientCredentials

    Private clientSigningCert As X509Certificate2
    Private clientEncryptingCert As X509Certificate2
    Private serviceSigningCert As X509Certificate2
    Private serviceEncryptingCert As X509Certificate2

    Public Sub New()
    End Sub

    Protected Sub New(ByVal other As MyClientCredentials)
        MyBase.New(other)
        Me.clientEncryptingCert = other.clientEncryptingCert
        Me.clientSigningCert = other.clientSigningCert
        Me.serviceEncryptingCert = other.serviceEncryptingCert
        Me.serviceSigningCert = other.serviceSigningCert
    End Sub

    Public Property ClientSigningCertificate() As X509Certificate2
        Get
            Return Me.clientSigningCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.clientSigningCert = value
        End Set
    End Property

    Public Property ClientEncryptingCertificate() As X509Certificate2
        Get
            Return Me.clientEncryptingCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.clientEncryptingCert = value
        End Set
    End Property

    Public Property ServiceSigningCertificate() As X509Certificate2
        Get
            Return Me.serviceSigningCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.serviceSigningCert = value
        End Set
    End Property

    Public Property ServiceEncryptingCertificate() As X509Certificate2
        Get
            Return Me.serviceEncryptingCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.serviceEncryptingCert = value
        End Set
    End Property

    Public Overrides Function CreateSecurityTokenManager() As SecurityTokenManager
        Return New MyClientCredentialsSecurityTokenManager(Me)
    End Function

    Protected Overrides Function CloneCore() As ClientCredentials
        Return New MyClientCredentials(Me)
    End Function

End Class

ClientCredentialsSecurityTokenManager クラスを継承する新しいクライアントセキュリティトークンマネージャーを定義します。適切なセキュリティトークンプロバイダーを作成するために、CreateSecurityTokenProvider メソッドをオーバーライドします。メッセージの方向とキーの使用方法は、requirement パラメーター (SecurityTokenRequirement) で提供されます。

internal class MyClientCredentialsSecurityTokenManager :
    ClientCredentialsSecurityTokenManager
{
    MyClientCredentials credentials;

    public MyClientCredentialsSecurityTokenManager(
        MyClientCredentials credentials): base(credentials)
    {
        this.credentials = credentials;
    }

    public override SecurityTokenProvider CreateSecurityTokenProvider(
        SecurityTokenRequirement requirement)
    {
        SecurityTokenProvider result = null;
        if (requirement.TokenType == SecurityTokenTypes.X509Certificate)
        {
            MessageDirection direction = requirement.GetProperty
                <MessageDirection>(ServiceModelSecurityTokenRequirement.
                MessageDirectionProperty);
            if (direction == MessageDirection.Output)
            {
                if (requirement.KeyUsage == SecurityKeyUsage.Signature)
                {
                    result = new X509SecurityTokenProvider(
                        this.credentials.ClientSigningCertificate);
                }
                else
                {
                    result = new X509SecurityTokenProvider(this.credentials.
                        ServiceEncryptingCertificate);
                }
            }
            else
            {
                if (requirement.KeyUsage == SecurityKeyUsage.Signature)
                {
                    result = new X509SecurityTokenProvider(this.
                        credentials.ServiceSigningCertificate);
                }
                else
                {
                    result = new X509SecurityTokenProvider(credentials.
                        ClientEncryptingCertificate);
                }
            }
        }
        else
        {
            result = base.CreateSecurityTokenProvider(requirement);
        }

        return result;
    }

    public override SecurityTokenAuthenticator
        CreateSecurityTokenAuthenticator(SecurityTokenRequirement
        tokenRequirement, out SecurityTokenResolver outOfBandTokenResolver)
    {
        return base.CreateSecurityTokenAuthenticator(tokenRequirement,
            out outOfBandTokenResolver);
    }
}

Friend Class MyClientCredentialsSecurityTokenManager
    Inherits ClientCredentialsSecurityTokenManager

    Private credentials As MyClientCredentials

    Public Sub New(ByVal credentials As MyClientCredentials)
        MyBase.New(credentials)
        Me.credentials = credentials
    End Sub

    Public Overrides Function CreateSecurityTokenProvider(ByVal requirement As SecurityTokenRequirement) As SecurityTokenProvider
        Dim result As SecurityTokenProvider = Nothing
        If requirement.TokenType = SecurityTokenTypes.X509Certificate Then
            Dim direction = requirement.GetProperty(Of MessageDirection)(ServiceModelSecurityTokenRequirement.MessageDirectionProperty)
            If direction = MessageDirection.Output Then
                If requirement.KeyUsage = SecurityKeyUsage.Signature Then
                    result = New X509SecurityTokenProvider(Me.credentials.ClientSigningCertificate)
                Else
                    result = New X509SecurityTokenProvider(Me.credentials.ServiceEncryptingCertificate)
                End If
            Else
                If requirement.KeyUsage = SecurityKeyUsage.Signature Then
                    result = New X509SecurityTokenProvider(Me.credentials.ServiceSigningCertificate)
                Else
                    result = New X509SecurityTokenProvider(credentials.ClientEncryptingCertificate)
                End If
            End If
        Else
            result = MyBase.CreateSecurityTokenProvider(requirement)
        End If

        Return result
    End Function

    Public Overrides Function CreateSecurityTokenAuthenticator(ByVal tokenRequirement As SecurityTokenRequirement, _
                                                               <System.Runtime.InteropServices.Out()> ByRef outOfBandTokenResolver As SecurityTokenResolver) As SecurityTokenAuthenticator
        Return MyBase.CreateSecurityTokenAuthenticator(tokenRequirement, _
                                                       outOfBandTokenResolver)
    End Function

End Class

ServiceCredentials クラスを継承する新しいサービス資格情報クラスを定義します。複数の証明書を指定できるようにする、ClientSigningCertificate、ClientEncryptingCertificate、ServiceSigningCertificate、および ServiceEncryptingCertificate の 4 つの新しいプロパティを実装します。また、CreateSecurityTokenManager メソッドをオーバーライドして、次のステップで定義するカスタマイズ済みの ServiceCredentialsSecurityTokenManager クラスのインスタンスを返すように設定します。

public class MyServiceCredentials : ServiceCredentials
{
    X509Certificate2 clientSigningCert;
    X509Certificate2 clientEncryptingCert;
    X509Certificate2 serviceSigningCert;
    X509Certificate2 serviceEncryptingCert;

    public MyServiceCredentials()
    {
    }

    protected MyServiceCredentials(MyServiceCredentials other)
        : base(other)
    {
        this.clientEncryptingCert = other.clientEncryptingCert;
        this.clientSigningCert = other.clientSigningCert;
        this.serviceEncryptingCert = other.serviceEncryptingCert;
        this.serviceSigningCert = other.serviceSigningCert;
    }

    public X509Certificate2 ClientSigningCertificate
    {
        get
        {
            return this.clientSigningCert;
        }
        set
        {
            this.clientSigningCert = value;
        }
    }

    public X509Certificate2 ClientEncryptingCertificate
    {
        get
        {
            return this.clientEncryptingCert;
        }
        set
        {
            this.clientEncryptingCert = value;
        }
    }

    public X509Certificate2 ServiceSigningCertificate
    {
        get
        {
            return this.serviceSigningCert;
        }
        set
        {
            this.serviceSigningCert = value;
        }
    }

    public X509Certificate2 ServiceEncryptingCertificate
    {
        get
        {
            return this.serviceEncryptingCert;
        }
        set
        {
            this.serviceEncryptingCert = value;
        }
    }

    public override SecurityTokenManager CreateSecurityTokenManager()
    {
        return new MyServiceCredentialsSecurityTokenManager(this);
    }

    protected override ServiceCredentials CloneCore()
    {
        return new MyServiceCredentials(this);
    }
}

Public Class MyServiceCredentials
    Inherits ServiceCredentials

    Private clientSigningCert As X509Certificate2
    Private clientEncryptingCert As X509Certificate2
    Private serviceSigningCert As X509Certificate2
    Private serviceEncryptingCert As X509Certificate2

    Public Sub New()
    End Sub

    Protected Sub New(ByVal other As MyServiceCredentials)
        MyBase.New(other)
        Me.clientEncryptingCert = other.clientEncryptingCert
        Me.clientSigningCert = other.clientSigningCert
        Me.serviceEncryptingCert = other.serviceEncryptingCert
        Me.serviceSigningCert = other.serviceSigningCert
    End Sub

    Public Property ClientSigningCertificate() As X509Certificate2
        Get
            Return Me.clientSigningCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.clientSigningCert = value
        End Set
    End Property

    Public Property ClientEncryptingCertificate() As X509Certificate2
        Get
            Return Me.clientEncryptingCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.clientEncryptingCert = value
        End Set
    End Property

    Public Property ServiceSigningCertificate() As X509Certificate2
        Get
            Return Me.serviceSigningCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.serviceSigningCert = value
        End Set
    End Property

    Public Property ServiceEncryptingCertificate() As X509Certificate2
        Get
            Return Me.serviceEncryptingCert
        End Get
        Set(ByVal value As X509Certificate2)
            Me.serviceEncryptingCert = value
        End Set
    End Property

    Public Overrides Function CreateSecurityTokenManager() As SecurityTokenManager
        Return New MyServiceCredentialsSecurityTokenManager(Me)
    End Function

    Protected Overrides Function CloneCore() As ServiceCredentials
        Return New MyServiceCredentials(Me)
    End Function

End Class

ServiceCredentialsSecurityTokenManager クラスを継承する新しいサービスセキュリティトークンマネージャーを定義します。渡されたメッセージの方向とキーの使用方法について適切なセキュリティトークンプロバイダーを作成するために、CreateSecurityTokenProvider メソッドをオーバーライドします。

internal class MyServiceCredentialsSecurityTokenManager :
    ServiceCredentialsSecurityTokenManager
{
    MyServiceCredentials credentials;

    public MyServiceCredentialsSecurityTokenManager(
        MyServiceCredentials credentials)
        : base(credentials)
    {
        this.credentials = credentials;
    }

    public override SecurityTokenProvider CreateSecurityTokenProvider(
        SecurityTokenRequirement requirement)
    {
        SecurityTokenProvider result = null;
        if (requirement.TokenType == SecurityTokenTypes.X509Certificate)
        {
            MessageDirection direction = requirement.
                GetProperty<MessageDirection>(
                ServiceModelSecurityTokenRequirement.
                MessageDirectionProperty);
            if (direction == MessageDirection.Input)
            {
                if (requirement.KeyUsage == SecurityKeyUsage.Exchange)
                {
                    result = new X509SecurityTokenProvider(
                        credentials.ServiceEncryptingCertificate);
                }
                else
                {
                    result = new X509SecurityTokenProvider(
                        credentials.ClientSigningCertificate);
                }
            }
            else
            {
                if (requirement.KeyUsage == SecurityKeyUsage.Signature)
                {
                    result = new X509SecurityTokenProvider(
                        credentials.ServiceSigningCertificate);
                }
                else
                {
                    result = new X509SecurityTokenProvider(
                        credentials.ClientEncryptingCertificate);
                }
            }
        }
        else
        {
            result = base.CreateSecurityTokenProvider(requirement);
        }
        return result;
    }
}

Friend Class MyServiceCredentialsSecurityTokenManager
    Inherits ServiceCredentialsSecurityTokenManager

    Private credentials As MyServiceCredentials

    Public Sub New(ByVal credentials As MyServiceCredentials)
        MyBase.New(credentials)
        Me.credentials = credentials
    End Sub

    Public Overrides Function CreateSecurityTokenProvider(ByVal requirement As SecurityTokenRequirement) As SecurityTokenProvider
        Dim result As SecurityTokenProvider = Nothing
        If requirement.TokenType = SecurityTokenTypes.X509Certificate Then
            Dim direction = requirement.GetProperty(Of MessageDirection)(ServiceModelSecurityTokenRequirement.MessageDirectionProperty)
            If direction = MessageDirection.Input Then
                If requirement.KeyUsage = SecurityKeyUsage.Exchange Then
                    result = New X509SecurityTokenProvider(credentials.ServiceEncryptingCertificate)
                Else
                    result = New X509SecurityTokenProvider(credentials.ClientSigningCertificate)
                End If
            Else
                If requirement.KeyUsage = SecurityKeyUsage.Signature Then
                    result = New X509SecurityTokenProvider(credentials.ServiceSigningCertificate)
                Else
                    result = New X509SecurityTokenProvider(credentials.ClientEncryptingCertificate)
                End If
            End If
        Else
            result = MyBase.CreateSecurityTokenProvider(requirement)
        End If
        Return result
    End Function

End Class

クライアントで複数の証明書を使用するには

カスタムバインドの作成セキュリティバインド要素は、要求と応答について異なるセキュリティトークンプロバイダーが存在することを可能にする二重モードで動作する必要があります。これを行うには、二重モード対応のトランスポートを使用するか、次のコードで示すように CompositeDuplexBindingElement を使用します。次のステップで定義するカスタマイズ済みの IdentityVerifier をセキュリティバインド要素にリンクします。既定のクライアント資格情報を、事前に作成したカスタマイズ済みのクライアント資格情報に置き換えます。

            EndpointAddress serviceEndpoint =
                new EndpointAddress(new Uri("http://localhost:6060/service"));

            CustomBinding binding = new CustomBinding();

            AsymmetricSecurityBindingElement securityBE =
                SecurityBindingElement.CreateMutualCertificateDuplexBindingElement(
                MessageSecurityVersion.
WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10);
            // Add a custom IdentityVerifier because the service uses two certificates
            // (one for signing and one for encryption) and an endpoint identity that
            // contains a single identity claim.
            securityBE.LocalClientSettings.IdentityVerifier = new MyIdentityVerifier();
            binding.Elements.Add(securityBE);

            CompositeDuplexBindingElement compositeDuplex =
                new CompositeDuplexBindingElement();
            compositeDuplex.ClientBaseAddress = new Uri("http://localhost:6061/client");
            binding.Elements.Add(compositeDuplex);

            binding.Elements.Add(new OneWayBindingElement());

            binding.Elements.Add(new HttpTransportBindingElement());

            using (ChannelFactory<IMyServiceChannel> factory =
                new ChannelFactory<IMyServiceChannel>(binding, serviceEndpoint))
            {
                MyClientCredentials credentials = new MyClientCredentials();
                SetupCertificates(credentials);
                factory.Endpoint.Behaviors.Remove(typeof(ClientCredentials));
                factory.Endpoint.Behaviors.Add(credentials);

                IMyServiceChannel channel = factory.CreateChannel();
                Console.WriteLine(channel.Hello("world"));
                channel.Close();
            }

Dim serviceEndpoint As New EndpointAddress(New Uri("http://localhost:6060/service"))

Dim binding As New CustomBinding()

Dim securityBE = SecurityBindingElement.CreateMutualCertificateDuplexBindingElement(MessageSecurityVersion.WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10)
' Add a custom IdentityVerifier because the service uses two certificates 
' (one for signing and one for encryption) and an endpoint identity that 
' contains a single identity claim.
securityBE.LocalClientSettings.IdentityVerifier = New MyIdentityVerifier()
binding.Elements.Add(securityBE)

Dim compositeDuplex As New CompositeDuplexBindingElement()

compositeDuplex.ClientBaseAddress = New Uri("http://localhost:6061/client")

With binding.Elements
    .Add(compositeDuplex)
    .Add(New OneWayBindingElement())
    .Add(New HttpTransportBindingElement())
End With

Using factory As New ChannelFactory(Of IMyServiceChannel)(binding, serviceEndpoint)
    Dim credentials As New MyClientCredentials()
    SetupCertificates(credentials)

    With factory.Endpoint.Behaviors
        .Remove(GetType(ClientCredentials))
        .Add(credentials)
    End With

    Dim channel = factory.CreateChannel()
    Console.WriteLine(channel.Hello("world"))
    channel.Close()
End Using

カスタム IdentityVerifier を定義します。要求の暗号化と応答への署名で異なる証明書が使用されるため、サービスには複数の ID があります。

Note

次のサンプルで用意されたカスタム ID 検証方法では、デモンストレーション用であるため、エンドポイント ID 検査がまったく行われません。これは製品版のコードでは、お勧めしません。

class MyIdentityVerifier : IdentityVerifier
{
    IdentityVerifier defaultVerifier;

    public MyIdentityVerifier()
    {
        this.defaultVerifier = IdentityVerifier.CreateDefault();
    }

    public override bool CheckAccess(EndpointIdentity identity,
        AuthorizationContext authContext)
    {
        // The following implementation is for demonstration only, and
        // does not perform any checks regarding EndpointIdentity.
        // Do not use this for production code.
        return true;
    }

    public override bool TryGetIdentity(EndpointAddress reference,
        out EndpointIdentity identity)
    {
        return this.defaultVerifier.TryGetIdentity(reference, out identity);
    }
}

Friend Class MyIdentityVerifier
    Inherits IdentityVerifier

    Private defaultVerifier As IdentityVerifier

    Public Sub New()
        Me.defaultVerifier = IdentityVerifier.CreateDefault()
    End Sub

    Public Overrides Function CheckAccess(ByVal identity As EndpointIdentity, ByVal authContext As AuthorizationContext) As Boolean
        ' The following implementation is for demonstration only, and
        ' does not perform any checks regarding EndpointIdentity.
        ' Do not use this for production code.
        Return True
    End Function

    Public Overrides Function TryGetIdentity(ByVal reference As EndpointAddress, <System.Runtime.InteropServices.Out()> ByRef identity As EndpointIdentity) As Boolean
        Return Me.defaultVerifier.TryGetIdentity(reference, identity)
    End Function

End Class

サービスで複数の証明書を使用するには

カスタムバインドの作成セキュリティバインド要素は、要求と応答について異なるセキュリティトークンプロバイダーが存在することを可能にする二重モードで動作する必要があります。クライアントの場合と同様に、二重モード対応のトランスポートを使用するか、次のコードで示すように CompositeDuplexBindingElement を使用します。既定のサービス資格情報を、事前に作成したカスタマイズ済みのサービス資格情報に置き換えます。

            Uri serviceEndpoint = new Uri("http://localhost:6060/service");
            using (ServiceHost host = new ServiceHost(typeof(Service), serviceEndpoint))
            {
                CustomBinding binding = new CustomBinding();
                binding.Elements.Add(SecurityBindingElement.
                    CreateMutualCertificateDuplexBindingElement(
MessageSecurityVersion.WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10));
                binding.Elements.Add(new CompositeDuplexBindingElement());
                binding.Elements.Add(new OneWayBindingElement());
                binding.Elements.Add(new HttpTransportBindingElement());

                MyServiceCredentials credentials = new MyServiceCredentials();
                SetupCertificates(credentials);
                host.Description.Behaviors.Remove(typeof(ServiceCredentials));
                host.Description.Behaviors.Add(credentials);

                ServiceEndpoint endpoint = host.AddServiceEndpoint(
                    typeof(IMyService), binding, "");
                host.Open();

                Console.WriteLine("Service started, press ENTER to stop...");
                Console.ReadLine();
            }

Dim serviceEndpoint As New Uri("http://localhost:6060/service")
Using host As New ServiceHost(GetType(Service), serviceEndpoint)
    Dim binding As New CustomBinding()

    With binding.Elements
        .Add(SecurityBindingElement.CreateMutualCertificateDuplexBindingElement(MessageSecurityVersion.WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10))
        .Add(New CompositeDuplexBindingElement())
        .Add(New OneWayBindingElement())
        .Add(New HttpTransportBindingElement())
    End With

    Dim credentials As New MyServiceCredentials()
    SetupCertificates(credentials)
    With host.Description.Behaviors
        .Remove(GetType(ServiceCredentials))
        .Add(credentials)
    End With

    Dim endpoint = host.AddServiceEndpoint(GetType(IMyService), binding, "")
    host.Open()

    Console.WriteLine("Service started, press ENTER to stop...")
    Console.ReadLine()
End Using

次の方法で共有

方法: 署名および暗号化に個別の X.509 証明書を使用する

署名と暗号化に別個の証明書を使用するには

クライアントで複数の証明書を使用するには

サービスで複数の証明書を使用するには

関連項目

その他のリソース