SslStream 构造函数

Source:

SslStream.cs

Source:

SslStream.cs

Source:

SslStream.cs

public:
 SslStream(System::IO::Stream ^ innerStream);

public SslStream (System.IO.Stream innerStream);

new System.Net.Security.SslStream : System.IO.Stream -> System.Net.Security.SslStream

Public Sub New (innerStream As Stream)

参数

例外

注解

如果未在加密策略的配置文件中指定值，EncryptionPolicy则构造的实例的 SslStream 默认EncryptionPolicy.RequireEncryption为 。

当加密策略设置为 EncryptionPolicy.NoEncryption时，需要使用 Null 密码。

Source:

SslStream.cs

Source:

SslStream.cs

Source:

SslStream.cs

public:
 SslStream(System::IO::Stream ^ innerStream, bool leaveInnerStreamOpen);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen);

new System.Net.Security.SslStream : System.IO.Stream * bool -> System.Net.Security.SslStream

Public Sub New (innerStream As Stream, leaveInnerStreamOpen As Boolean)

参数

例外

示例

下面的代码示例演示如何调用此构造函数。

static void ProcessClient( TcpClient^ client )
{
   
   // A client has connected. Create the 
   // SslStream using the client's network stream.
   SslStream^ sslStream = gcnew SslStream( client->GetStream(),false );
   
   // Authenticate the server but don't require the client to authenticate.
   try
   {
      sslStream->AuthenticateAsServer( serverCertificate, false, true );
      // false == no client cert required; true == check cert revocation.
      
      // Display the properties and settings for the authenticated stream.
      DisplaySecurityLevel( sslStream );
      DisplaySecurityServices( sslStream );
      DisplayCertificateInformation( sslStream );
      DisplayStreamProperties( sslStream );
      
      // Set timeouts for the read and write to 5 seconds.
      sslStream->ReadTimeout = 5000;
      sslStream->WriteTimeout = 5000;
      
      // Read a message from the client.   
      Console::WriteLine( L"Waiting for client message..." );
      String^ messageData = ReadMessage( sslStream );
      Console::WriteLine( L"Received: {0}", messageData );
      
      // Write a message to the client.
      array<Byte>^message = Encoding::UTF8->GetBytes( L"Hello from the server.<EOF>" );
      Console::WriteLine( L"Sending hello message." );
      sslStream->Write( message );
   }
   catch ( AuthenticationException^ e ) 
   {
      Console::WriteLine( L"Exception: {0}", e->Message );
      if ( e->InnerException != nullptr )
      {
         Console::WriteLine( L"Inner exception: {0}", e->InnerException->Message );
      }
      Console::WriteLine( L"Authentication failed - closing the connection." );
      sslStream->Close();
      client->Close();
      return;
   }
   finally
   {
      
      // The client stream will be closed with the sslStream
      // because we specified this behavior when creating
      // the sslStream.
      sslStream->Close();
      client->Close();
   }

}

static void ProcessClient (TcpClient client)
{
    // A client has connected. Create the
    // SslStream using the client's network stream.
    SslStream sslStream = new SslStream(
        client.GetStream(), false);
    // Authenticate the server but don't require the client to authenticate.
    try
    {
        sslStream.AuthenticateAsServer(serverCertificate, clientCertificateRequired: false, checkCertificateRevocation: true);

        // Display the properties and settings for the authenticated stream.
        DisplaySecurityLevel(sslStream);
        DisplaySecurityServices(sslStream);
        DisplayCertificateInformation(sslStream);
        DisplayStreamProperties(sslStream);

        // Set timeouts for the read and write to 5 seconds.
        sslStream.ReadTimeout = 5000;
        sslStream.WriteTimeout = 5000;
        // Read a message from the client.
        Console.WriteLine("Waiting for client message...");
        string messageData = ReadMessage(sslStream);
        Console.WriteLine("Received: {0}", messageData);

        // Write a message to the client.
        byte[] message = Encoding.UTF8.GetBytes("Hello from the server.<EOF>");
        Console.WriteLine("Sending hello message.");
        sslStream.Write(message);
    }
    catch (AuthenticationException e)
    {
        Console.WriteLine("Exception: {0}", e.Message);
        if (e.InnerException != null)
        {
            Console.WriteLine("Inner exception: {0}", e.InnerException.Message);
        }
        Console.WriteLine ("Authentication failed - closing the connection.");
        sslStream.Close();
        client.Close();
        return;
    }
    finally
    {
        // The client stream will be closed with the sslStream
        // because we specified this behavior when creating
        // the sslStream.
        sslStream.Close();
        client.Close();
    }
}

Private Shared Sub ProcessClient(client As TcpClient)
    ' A client has connected. Create the 
    ' SslStream using the client's network stream.
    Dim sslStream = New SslStream(client.GetStream(), False)

    Try

        sslStream.AuthenticateAsServer(serverCertificate, clientCertificateRequired:=False, checkCertificateRevocation:=True)
        ' Display the properties And settings for the authenticated stream.
        DisplaySecurityLevel(sslStream)
        DisplaySecurityServices(sslStream)
        DisplayCertificateInformation(sslStream)
        DisplayStreamProperties(sslStream)

        ' Set timeouts for the read and write to 5 seconds.
        sslStream.ReadTimeout = 5000
        sslStream.WriteTimeout = 5000

        ' Read a message from the client.   
        Console.WriteLine("Waiting for client message...")
        Dim messageData As String = ReadMessage(sslStream)
        Console.WriteLine("Received: {0}", messageData)

        ' Write a message to the client.
        Dim message As Byte() = Encoding.UTF8.GetBytes("Hello from the server.<EOF>")
        Console.WriteLine("Sending hello message.")
        sslStream.Write(message)
    Catch e As AuthenticationException
        Console.WriteLine("Exception: {0}", e.Message)

        If e.InnerException IsNot Nothing Then
            Console.WriteLine("Inner exception: {0}", e.InnerException.Message)
        End If

        Console.WriteLine("Authentication failed - closing the connection.")
        sslStream.Close()
        client.Close()
        Return
    Finally
        ' The client stream will be closed with the sslStream
        ' because we specified this behavior when creating
        ' the sslStream.
        sslStream.Close()
        client.Close()
    End Try
End Sub

注解

为 参数指定true时，关闭 SslStream 对流没有影响innerStream;当不再需要时，必须显式关闭innerStream。leaveStreamOpen

如果未在加密策略的配置文件中指定值，EncryptionPolicy则构造的实例的 SslStream 默认EncryptionPolicy.RequireEncryption为 。

当加密策略设置为 EncryptionPolicy.NoEncryption时，需要使用 Null 密码。

Source:

SslStream.cs

Source:

SslStream.cs

Source:

SslStream.cs

public:
 SslStream(System::IO::Stream ^ innerStream, bool leaveInnerStreamOpen, System::Net::Security::RemoteCertificateValidationCallback ^ userCertificateValidationCallback);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback? userCertificateValidationCallback);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback userCertificateValidationCallback);

new System.Net.Security.SslStream : System.IO.Stream * bool * System.Net.Security.RemoteCertificateValidationCallback -> System.Net.Security.SslStream

Public Sub New (innerStream As Stream, leaveInnerStreamOpen As Boolean, userCertificateValidationCallback As RemoteCertificateValidationCallback)

参数

例外

示例

下面的代码示例创建 SslStream 并启动身份验证的客户端部分。

// Create a TCP/IP client socket.
// machineName is the host running the server application.
TcpClient^ client = gcnew TcpClient(machineName, 5000);
Console::WriteLine("Client connected.");
  
// Create an SSL stream that will close 
// the client's stream.
SslStream^ sslStream = gcnew SslStream(
    client->GetStream(), false,
    gcnew RemoteCertificateValidationCallback(ValidateServerCertificate),
    nullptr);
  
// The server name must match the name
// on the server certificate.
try
{
    sslStream->AuthenticateAsClient(serverName);
}
catch (AuthenticationException^ ex) 
{
    Console::WriteLine("Exception: {0}", ex->Message);
    if (ex->InnerException != nullptr)
    {
        Console::WriteLine("Inner exception: {0}", 
            ex->InnerException->Message);
    }

    Console::WriteLine("Authentication failed - "
        "closing the connection.");
    sslStream->Close();
    client->Close();
    return;
}

// Create a TCP/IP client socket.
// machineName is the host running the server application.
TcpClient client = new TcpClient(machineName,5000);
Console.WriteLine("Client connected.");
// Create an SSL stream that will close the client's stream.
SslStream sslStream = new SslStream(
    client.GetStream(),
    false,
    new RemoteCertificateValidationCallback (ValidateServerCertificate),
    null
    );
// The server name must match the name on the server certificate.
try
{
    sslStream.AuthenticateAsClient(serverName);
}
catch (AuthenticationException e)
{
    Console.WriteLine("Exception: {0}", e.Message);
    if (e.InnerException != null)
    {
        Console.WriteLine("Inner exception: {0}", e.InnerException.Message);
    }
    Console.WriteLine ("Authentication failed - closing the connection.");
    client.Close();
    return;
}

' Create a TCP/IP client socket.
' machineName is the host running the server application.
Dim client = New TcpClient(machineName, 5000)
Console.WriteLine("Client connected.")

' Create an SSL stream that will close the client's stream.
Dim sslStream = New SslStream(
    client.GetStream(), False, 
    New RemoteCertificateValidationCallback(AddressOf ValidateServerCertificate), Nothing)

' The server name must match the name on the server certificate.
Try
    sslStream.AuthenticateAsClient(serverName)
Catch e As AuthenticationException
    Console.WriteLine("Exception: {0}", e.Message)

    If e.InnerException IsNot Nothing Then
        Console.WriteLine("Inner exception: {0}", e.InnerException.Message)
    End If

    Console.WriteLine("Authentication failed - closing the connection.")
    client.Close()
    Return
End Try

注解

为 参数指定true时，关闭 SslStream 对流没有影响innerStream;当不再需要时，必须显式关闭innerStream。leaveStreamOpen

委托 userCertificateValidationCallback 的 certificateErrors 参数包含通道安全支持提供程序接口 (SSPI) 返回的任何 Windows 错误代码。 委托 userCertificateValidationCallback 调用的方法的返回值确定身份验证是否成功。

调用委托的 方法时， userCertificateValidationCallback 已选择安全协议和加密算法。 可以使用 方法确定所选的加密算法和强度是否足以满足应用程序的需求。 否则，该方法应返回 false 以防止 SslStream 创建 。

如果未在加密策略的配置文件中指定值，EncryptionPolicy则构造的实例的 SslStream 默认EncryptionPolicy.RequireEncryption为 。

当加密策略设置为 EncryptionPolicy.NoEncryption时，需要使用 Null 密码。

Source:

SslStream.cs

Source:

SslStream.cs

Source:

SslStream.cs

public:
 SslStream(System::IO::Stream ^ innerStream, bool leaveInnerStreamOpen, System::Net::Security::RemoteCertificateValidationCallback ^ userCertificateValidationCallback, System::Net::Security::LocalCertificateSelectionCallback ^ userCertificateSelectionCallback);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback? userCertificateValidationCallback, System.Net.Security.LocalCertificateSelectionCallback? userCertificateSelectionCallback);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback userCertificateValidationCallback, System.Net.Security.LocalCertificateSelectionCallback userCertificateSelectionCallback);

new System.Net.Security.SslStream : System.IO.Stream * bool * System.Net.Security.RemoteCertificateValidationCallback * System.Net.Security.LocalCertificateSelectionCallback -> System.Net.Security.SslStream

Public Sub New (innerStream As Stream, leaveInnerStreamOpen As Boolean, userCertificateValidationCallback As RemoteCertificateValidationCallback, userCertificateSelectionCallback As LocalCertificateSelectionCallback)

参数

例外

示例

下面的代码示例演示如何调用此构造函数。 此示例是为 类提供的更大示例的一 SslStream 部分。

// Server name must match the host name and the name on the host's certificate. 
serverName = args[ 1 ];

// Create a TCP/IP client socket.
TcpClient^ client = gcnew TcpClient( serverName,5000 );
Console::WriteLine( L"Client connected." );

// Create an SSL stream that will close the client's stream.
SslStream^ sslStream = gcnew SslStream( 
    client->GetStream(),
    false,
    gcnew RemoteCertificateValidationCallback( ValidateServerCertificate ),
    gcnew LocalCertificateSelectionCallback( SelectLocalCertificate ) );

// Server name must match the host name and the name on the host's certificate.
serverName = args[0];
// Create a TCP/IP client socket.
TcpClient client = new TcpClient(serverName,5000);
Console.WriteLine("Client connected.");
// Create an SSL stream that will close the client's stream.
SslStream sslStream = new SslStream(
    client.GetStream(),
    false,
    new RemoteCertificateValidationCallback (ValidateServerCertificate),
    new LocalCertificateSelectionCallback(SelectLocalCertificate)
    );

' Server name must match the host name and the name on the host's certificate. 
serverName = args(0)
' Create a TCP/IP client socket.
Dim client As New TcpClient(serverName, 5000)
Console.WriteLine("Client connected.")
' Create an SSL stream that will close the client's stream.
Dim sslStream As New SslStream(
    client.GetStream(), False, 
    New RemoteCertificateValidationCallback(AddressOf ValidateServerCertificate), 
    New LocalCertificateSelectionCallback(AddressOf SelectLocalCertificate))

注解

为 参数指定true时，关闭 SslStream 对流没有影响innerStream;当不再需要时，必须显式关闭innerStream。leaveStreamOpen

委托 userCertificateValidationCallback 的 certificateErrors 参数包含通道安全支持提供程序接口 (SSPI) 返回的任何 Windows 错误代码。 委托 userCertificateValidationCallback 调用的方法的返回值确定身份验证是否成功。

调用委托的 方法时， userCertificateValidationCallback 已选择安全协议和加密算法。 可以使用 方法确定所选的加密算法和强度是否足以满足应用程序的需求。 否则，该方法应返回 false 以防止 SslStream 创建 。

userCertificateSelectionCallback当应用程序具有多个证书并且必须动态选择证书时，委托非常有用。 “MY”存储中的证书将传递给委托调用的方法。

如果未在加密策略的配置文件中指定值，EncryptionPolicy则构造的实例的 SslStream 默认EncryptionPolicy.RequireEncryption为 。

当加密策略设置为 EncryptionPolicy.NoEncryption时，需要使用 Null 密码。

Source:

SslStream.IO.cs

Source:

SslStream.cs

Source:

SslStream.cs

public:
 SslStream(System::IO::Stream ^ innerStream, bool leaveInnerStreamOpen, System::Net::Security::RemoteCertificateValidationCallback ^ userCertificateValidationCallback, System::Net::Security::LocalCertificateSelectionCallback ^ userCertificateSelectionCallback, System::Net::Security::EncryptionPolicy encryptionPolicy);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback? userCertificateValidationCallback, System.Net.Security.LocalCertificateSelectionCallback? userCertificateSelectionCallback, System.Net.Security.EncryptionPolicy encryptionPolicy);

public SslStream (System.IO.Stream innerStream, bool leaveInnerStreamOpen, System.Net.Security.RemoteCertificateValidationCallback userCertificateValidationCallback, System.Net.Security.LocalCertificateSelectionCallback userCertificateSelectionCallback, System.Net.Security.EncryptionPolicy encryptionPolicy);

new System.Net.Security.SslStream : System.IO.Stream * bool * System.Net.Security.RemoteCertificateValidationCallback * System.Net.Security.LocalCertificateSelectionCallback * System.Net.Security.EncryptionPolicy -> System.Net.Security.SslStream

Public Sub New (innerStream As Stream, leaveInnerStreamOpen As Boolean, userCertificateValidationCallback As RemoteCertificateValidationCallback, userCertificateSelectionCallback As LocalCertificateSelectionCallback, encryptionPolicy As EncryptionPolicy)

参数

例外

注解

当 参数设置为 EncryptionPolicy.NoEncryption时，encryptionPolicy需要使用 Null 密码。