带"签名"的请求接口实现

概述废话少说，直接上代码(⊙﹏⊙) class Program { //签名证书 public static X509Certificate2 cerSigneCert; private static char[] hexChars; public Program() { c

废话少说，直接上代码(⊙﹏⊙)

 class Program    {        //签名证书        public static X509Certificate2 cerSigneCert;        private static char[] hexChars;        public Program()        {            cerSigneCert = new X509Certificate2(AppDomain.CurrentDomain.BaseDirectory + @"resources016100001118204.p12","");        }        static voID Main(string[] args)        {            string xml = "xml字符串 <SIGNED_MSG />";            string newXML = SHA1withRSA(xml);            string url = "访问地址";            string requestUrl = RequestUrl(url,newXML);        }        /// <summary>        /// 签名        /// PS:（SIGNED_MSG是属性的名称）        /// </summary>        /// <param name="xml"></param>        /// <returns></returns>        private static string SHA1withRSA(string xml)        {            string oldXML = xml.Replace("<SIGNED_MSG />","");            SHA1CryptoServiceProvIDer sha1 = new SHA1CryptoServiceProvIDer();            byte[] msg = sha1.ComputeHash(EnCoding.GetEnCoding("GBK").GetBytes(oldXML));            RSAPKCS1SignatureFormatter signe = new RSAPKCS1SignatureFormatter();            signe.SetKey(cerSigneCert.PrivateKey);//设置用于签名的私钥            signe.SetHashAlgorithm("SHA1");            var signeText = ToHex(signe.CreateSignature(msg));//创建签名            string newXML = xml.Replace("<SIGNED_MSG />","<SIGNED_MSG>" + signeText + "</SIGNED_MSG>");            return newXML;        }        private static string ToHex(byte[] ba)        {            if (ba == null) return "";            char[]                buf = new char[ba.Length * 2];            int p = 0;            foreach (byte b in ba)            {                buf[p++] = hexChars[b >> 4];                buf[p++] = hexChars[b & 0x0f];            }            return new string(buf);        }        /// <summary>        /// 发送请求,获取响应        /// </summary>        /// <param name="url"></param>        /// <param name="data"></param>        /// <returns></returns>        public static string RequestUrl(string url,string data)//发送方法        {            var request = WebRequest.Create(url) as httpWebRequest;            request.ProtocolVersion = httpVersion.Version11;            // 这里设置了协议类型。            request.KeepAlive = false;            ServicePointManager.ServerCertificateValIDationCallback = new RemoteCertificateValIDationCallback(RemoteCertificateValIDate);            ServicePointManager.CheckCertificateRevocationList = true;            ServicePointManager.DefaultConnectionlimit = 100;            ServicePointManager.Expect100Continue = false;            request.Method = "post";            request.ContentType = "text/xml";            request.headers.Add("charset:gbk");            var enCoding = EnCoding.GetEnCoding("GBK");            if (data != null)            {                byte[] buffer = enCoding.GetBytes(data);                request.ContentLength = buffer.Length;                request.GetRequestStream().Write(buffer,0,buffer.Length);            }            else            {            }            using (httpWebResponse wr = request.GetResponse() as httpWebResponse)            {                using (StreamReader reader = new StreamReader(wr.GetResponseStream(),enCoding))                {                    string strResult = reader.ReadToEnd();                    return strResult;                }            }        }        private static bool RemoteCertificateValIDate(object sender,X509Certificate cert,X509Chain chain,SslPolicyErrors error)        {            System.Console.Writeline("Warning,trust any certificate");            //为了通过证书验证，总是返回true            return true;        }    }

 有关XML转换，大家请参考上一篇文章： https://www.cnblogs.com/shuai7boy/p/10963734.html

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