tcp通信中使用SslStream和数据字证书的问题?郁闷求急救

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一个tcp通信的程序,使用Tcplistener+Tcpclient+sslstream.数字证书是用makecert做的一个pfx的文件
要求验证服务器,不用验证客户端
Tcplistener部分代码:

 public void startServer()
        {
            server = new TcpListener(ep);//ep是一个IPAndPoint
            server.Start();
            while(true)
            {
                TcpClient appClient = null;
                try
                {
                    appClient = server.AcceptTcpClient();
                }
                catch 
                {
                    break;  //底层出现异常
                }
                Console.WriteLine("接收新连接:" + appClient.Client.RemoteEndPoint);
                if (appClient.Connected)
                {
                    Thread thread = new Thread(new ParameterizedThreadStart(poccessClient));
                    thread.Start(appClient);
                }
            }
        }

        private void poccessClient(Object client)
        {
            TcpClient appClient = (TcpClient)client;
            NetworkStream stream = appClient.GetStream();
            SslStream ssl = new SslStream(stream,false);
            StringBuilder acceptChar=new StringBuilder();
            int byt = -1;
            try 
            {
                ssl.AuthenticateAsServer(getCert(),false,SslProtocols.Tls,false);//异常出现在这一行
                ssl.ReadTimeout = 5000;
                ssl.WriteTimeout=5000;
                do
                {
                    byt = ssl.Read(bytes,0,bytes.Length);
                    acceptChar.Append(Encoding.UTF8.GetString(bytes,0,bytes.Length));
                    if(acceptChar.ToString().IndexOf("<EOF>")!=-1)
                    {
                        break;
                    }
                }while(byt!=0);
                Console.WriteLine(acceptChar.ToString())
                ssl.Write(Encoding.UTF8.GetBytes("0"));
                ssl.Flush();
            }
            catch (AuthenticationException ex)
            {
                Console.WriteLine("证书验证错误");
                Console.WriteLine(ex.StackTrace+"\n"+ex.Message);
            }  
            finally
            {
                Console.ReadKey();
                appClient.Close();
                stream.Close();
            }
        }

 private X509Certificate2 getCert()
        {
            try
            {
                X509Certificate2 x509 = new X509Certificate2(@"E:\cert.pfx", "123456", X509KeyStorageFlags.Exportable);
                //Console.WriteLine(x509.GetSerialNumberString());
                //Console.WriteLine(x509.SerialNumber);             
                return x509;
            }
            catch (CryptographicException)
            { throw; }
        }

Tcpclient部分代码

 TcpClient client = new TcpClient();
            client.Connect(IPAddress.Parse(txtIP.Text), Int32.Parse(txtPort.Text));//ipaddress port
            NetworkStream stream = client.GetStream();
            SslStream ssl = new SslStream(stream, false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
            try
            {
                X509Certificate2Collection collection = new X509Certificate2Collection();
                ssl.AuthenticateAsClient("CertName", collection, SslProtocols.Tls, false);
                //ssl.AuthenticateAsClient("CertName");
            }
            catch (AuthenticationException ex)
            {
                Console.WriteLine("Exception: {0}", ex.Message);
                if (ex.InnerException != null)
                {
                    Console.WriteLine("Inner exception: {0}", ex.InnerException.Message);
                }
                Console.WriteLine("Authentication failed - closing the connection.");
                client.Close();
                return;
            }

出现问题:
在自己机子上系统是windows2003的,证书也是从这台生成的,异常:
=========================================

未处理的异常: System.ComponentModel.Win32Exception: 没有识别提供给安全软件包的
凭证
在 System.Net.SSPIWrapper.AcquireCredentialsHandle(SSPIInterface SecModule, S
tring package, CredentialUse intent, SecureCredential scc)
在 System.Net.Security.SecureChannel.AcquireCredentialsHandle(CredentialUse c
redUsage, SecureCredential& secureCredential)
在 System.Net.Security.SecureChannel.AcquireServerCredentials(Byte[]& thumbPr
int)
在 System.Net.Security.SecureChannel.GenerateToken(Byte[] input, Int32 offset
, Int32 count, Byte[]& output)
在 System.Net.Security.SecureChannel.NextMessage(Byte[] incoming, Int32 offse
t, Int32 count)
在 System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, A
syncProtocolRequest asyncRequest)
在 System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 coun
t, AsyncProtocolRequest asyncRequest)
在 System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes
, AsyncProtocolRequest asyncRequest)
在 System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocol
Request asyncRequest)
在 System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byt
e[] buffer, AsyncProtocolRequest asyncRequest)
在 System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyRes
ult)
在 System.Net.Security.SslStream.AuthenticateAsServer(X509Certificate serverC
ertificate, Boolean clientCertificateRequired, SslProtocols enabledSslProtocols,
Boolean checkCertificateRevocation)
在 TcpServer.TcpSSLServer.poccessClient(Object client) 位置 E:\workspace3\win
form\TcpServer\TcpSSLServer.cs:行号 75
在 System.Threading.ThreadHelper.ThreadStart_Context(Object state)
在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, C
ontextCallback callback, Object state)
在 System.Threading.ThreadHelper.ThreadStart(Object obj)
===========================================================

在一台XP系统的电脑上试.异常:

A call to sspi failed,see inner exception

异常出现的地方也是AuthenticateAsServer


急求大牛们解决...不尽感激

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补充一下,这是winform应用不是asp.net

[jqncc]

靠,贴子要沉了,自己顶下