证书验证，服务器提交了协议冲突. Section=ResponseStatusLine

using System;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
using System.Net;
using System.Collections;
using System.Security.Cryptography.X509Certificates;
/*Bouncy castle*/
using Org.BouncyCastle.Ocsp;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Crypto.Tls;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Ocsp;
using Org.BouncyCastle.Utilities.Encoders;
using Org.BouncyCastle.X509;public partial class UKeyVerification : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        X509Store store = new X509Store(StoreName.My);
        store.Open(OpenFlags.ReadOnly);        X509CertificateCollection certificates =
            X509Certificate2UI.SelectFromCollection
            (
            store.Certificates,
            "Liste des certificats",
            "Veuillez sélectionner un certificat",
            X509SelectionFlag.SingleSelection
            );
        //Close certificate store 
        store.Close();
        //Retrieve selected certificate 
        if (certificates.Count == 0) //the user has caceled shoosing certificate 
        {
            return;
        }
        X509Certificate2 certificate = (X509Certificate2)certificates[0];
        //Convert X509Certificate2 to Org.BouncyCastle.X509.X509Certificate 
        X509CertificateParser certParser = new X509CertificateParser();
        Org.BouncyCastle.X509.X509Certificate CertBouncy = certParser.ReadCertificate(certificate.RawData);
        //FileStream fs = new FileStream(@"C:\AV.cer",FileMode.Open); 
        //Org.BouncyCastle.X509.X509Certificate CertBouncy = certParser.ReadCertificate(fs); 
        //DoOcspRequest(new Uri("http://ocsp.eid.belgium.be"), CertBouncy.SerialNumber, CertBouncy);
        DoOcspRequest(new Uri("http://10.27.141.13:8800"), CertBouncy.SerialNumber, CertBouncy);
  
    }    private static byte[] getOcspPackage(BigInteger serialNr, Org.BouncyCastle.X509.X509Certificate cacert)
    {
        OcspReqGenerator gen = new OcspReqGenerator();
        try
        {
            CertificateID certId = new CertificateID(CertificateID.HashSha1, cacert, serialNr);
            gen.AddRequest(certId);
            gen.SetRequestExtensions(getExtentions());
            OcspReq req;
            req = gen.Generate();
            return req.GetEncoded();
        }
        catch (OcspException e)
        {
            //System.Console.WriteLine(e.Message);
            HttpContext.Current.Response.Write(e.Message);
        }
        catch (IOException e)
        {
            //System.Console.WriteLine(e.Message);
            HttpContext.Current.Response.Write(e.Message);
        }
        return null;
    }    private static X509Extensions getExtentions()
    {
        byte[] nonce = new byte[16];
        Hashtable exts = new Hashtable();
        Org.BouncyCastle.Asn1.X509.X509Extension nonceext = new Org.BouncyCastle.Asn1.X509.X509Extension(false, new DerOctetString(nonce));
        exts.Add(OcspObjectIdentifiers.PkixOcspNonce, nonceext);
        return new X509Extensions(exts);
    }    private byte[] DoOcspRequest(Uri uri, BigInteger serialNr, Org.BouncyCastle.X509.X509Certificate certificate)
    {
        byte[] response = null;
        HttpWebRequest webRequest = null;
        try
        {
            webRequest = (HttpWebRequest)WebRequest.Create(uri);
            //Setting required HTTP Headers 
            webRequest.ContentType = "application/ocsp-request";
            //webRequest.Accept = "application/ocsp-response"; 
            webRequest.Method = "POST";
            byte[] ocspPackage = getOcspPackage(serialNr, certificate);
            webRequest.ContentLength = ocspPackage.Length;
            HttpContext.Current.Response.Write("1111" + "<br/>");
            //webRequest.KeepAlive = true; 
            Stream s = webRequest.GetRequestStream();
            s.Write(ocspPackage, 0, ocspPackage.Length);            //Getting the response 
            //webRequest.Proxy = null;
            HttpWebResponse res = (HttpWebResponse)webRequest.GetResponse();
            //错误就在这里
            //reading Content-Length Header 
            long contentLength = res.ContentLength;//normally about 3100 bytes 
            OcspResp OcspResponse = new OcspResp(res.GetResponseStream());
            string statusOcsp = getOcspResponseStatus(OcspResponse.Status);
            System.Console.WriteLine(statusOcsp);
         
            BasicOcspResp brep;
            brep = (BasicOcspResp)OcspResponse.GetResponseObject();
            SingleResp[] singleResps = brep.Responses;
            SingleResp singleResp = singleResps[0];
            Object status = singleResp.GetCertStatus();
            s.Close();
        }
        catch (Exception ex)
        {
            //System.Console.WriteLine(ex.Message);
            HttpContext.Current.Response.Write(ex.Message + "<br/>");
        }
        return response;
    }    private static string getOcspResponseStatus(int status)
    {
        string OcspResponseStatus = "";
        switch (status)
        {
            case 0: OcspResponseStatus = "succesfull";
                break;
            case 1: OcspResponseStatus = "malformedRequest";
                break;
            case 2: OcspResponseStatus = "internalError";
                break;
            case 3: OcspResponseStatus = "tryLater";
                break;
            case 5: OcspResponseStatus = "sigRequired";
                break;
            case 6: OcspResponseStatus = "unauthorized";
                break;
        }
        return OcspResponseStatus;
        HttpContext.Current.Response.Write(OcspResponseStatus);
    }    private static void getOcspResponse(Stream sResponse)
    {
        try
        {
            OcspResp response = new OcspResp(sResponse);
            BasicOcspResp brep;
            brep = (BasicOcspResp)response.GetResponseObject();
            SingleResp[] singleResps = brep.Responses;
            SingleResp singleResp = singleResps[0];
            Object status = singleResp.GetCertStatus();            if (status == null)
            {
                 //System.Console.WriteLine("OCSP Response is GOOD");
                HttpContext.Current.Response.Write("OCSP Response is GOOD" + "<br/>");
            }
            else
            {
                //System.Console.WriteLine("OCSP Response is REVOKED or UNKNOW");
                HttpContext.Current.Response.Write("OCSP Response is REVOKED or UNKNOW" + "<br/>");
            }        }
        catch (Exception e)
        {
            System.Console.WriteLine("5" + e.Message);
        }
    }
}