众签demo
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Security.Cryptography.X509Certificates; using System.Security.Cryptography; using System.IO; using System.Net.NetworkInformation; using System.Xml; using System.Net; using System.Text.RegularExpressions; using System.Net.Security; using System.IO.Compression; namespace ConsoleApp1 { class Program { static string private_key = "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"; static string zqid = "2FB987B8DCCBA679549"; private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"; static void Main(string[] args) { IDictionary<string, string> paramsMap = new Dictionary<string, string>(); paramsMap.Add("zqid", zqid);//唯一标示 paramsMap.Add("signer", "2016112301");//用户唯一标示 paramsMap.Add("contract_num", "NET-C003"); //合同编号 paramsMap.Add("return_url", "test");//回调函地址 paramsMap.Add("notify_url", "test");//回调函地址 String context = GetSignContent(paramsMap); Console.WriteLine("context:{0}", context); string ws_sign_val = sign(context, private_key); Console.WriteLine("ws_sign_val:{0}", ws_sign_val); string url = "http://117.78.52.103/signAutomatic"; HttpWebResponse res = (HttpWebResponse)CreatePostHttpResponse(url, paramsMap, 3000000, null, Encoding.UTF8, new CookieCollection()); string result = string.Empty; using (System.IO.StreamReader reader = new System.IO.StreamReader(res.GetResponseStream())) { result = reader.ReadToEnd(); reader.Close(); } Console.WriteLine("result:{0}", result); Console.ReadKey(); } public static string GetSignContent(IDictionary<string, string> parameters) { IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parameters); IEnumerator<KeyValuePair<string, string>> dem = sortedParams.GetEnumerator(); // 第二步：把所有参数名和参数值串在一起 StringBuilder query = new StringBuilder(""); while (dem.MoveNext()) { string key = dem.Current.Key; string value = dem.Current.Value; if (!string.IsNullOrEmpty(key)) { query.Append(key).Append("=").Append(value).Append("&"); } } string content = query.ToString().Substring(0, query.Length - 1); return content; } public static string sign(string content, string privateKey) { byte[] Data = Encoding.UTF8.GetBytes(content); RSACryptoServiceProvider rsa = DecodePemPrivateKey(privateKey); SHA1 sh = new SHA1CryptoServiceProvider(); byte[] signData = rsa.SignData(Data, sh); return Convert.ToBase64String(signData); } private static RSACryptoServiceProvider DecodePemPrivateKey(String pemstr) { byte[] pkcs8privatekey; pkcs8privatekey = Convert.FromBase64String(pemstr); if (pkcs8privatekey != null) { RSACryptoServiceProvider rsa = DecodePrivateKeyInfo(pkcs8privatekey); return rsa; } else return null; } private static RSACryptoServiceProvider DecodePrivateKeyInfo(byte[] pkcs8) { byte[] SeqOID = { 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00 }; byte[] seq = new byte[15]; MemoryStream mem = new MemoryStream(pkcs8); int lenstream = (int)mem.Length; BinaryReader binr = new BinaryReader(mem); //wrap Memory Stream with BinaryReader for easy reading byte bt = 0; ushort twobytes = 0; try { twobytes = binr.ReadUInt16(); if (twobytes == 0x8130) //data read as little endian order (actual data order for Sequence is 30 81) binr.ReadByte(); //advance 1 byte else if (twobytes == 0x8230) binr.ReadInt16(); //advance 2 bytes else return null; bt = binr.ReadByte(); if (bt != 0x02) return null; twobytes = binr.ReadUInt16(); if (twobytes != 0x0001) return null; seq = binr.ReadBytes(15); //read the Sequence OID if (!CompareBytearrays(seq, SeqOID)) //make sure Sequence for OID is correct return null; bt = binr.ReadByte(); if (bt != 0x04) //expect an Octet string return null; bt = binr.ReadByte(); //read next byte, or next 2 bytes is 0x81 or 0x82; otherwise bt is the byte count if (bt == 0x81) binr.ReadByte(); else if (bt == 0x82) binr.ReadUInt16(); //------ at this stage, the remaining sequence should be the RSA private key byte[] rsaprivkey = binr.ReadBytes((int)(lenstream - mem.Position)); RSACryptoServiceProvider rsacsp = DecodeRSAPrivateKey(rsaprivkey); return rsacsp; } catch (Exception) { return null; } finally { binr.Close(); } } private static bool CompareBytearrays(byte[] a, byte[] b) { if (a.Length != b.Length) return false; int i = 0; foreach (byte c in a) { if (c != b[i]) return false; i++; } return true; } public static WebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int? timeout, string userAgent, Encoding requestEncoding, CookieCollection cookies) { if (string.IsNullOrEmpty(url)) { throw new ArgumentNullException("url"); } if (requestEncoding == null) { throw new ArgumentNullException("requestEncoding"); } HttpWebRequest request = null; //如果是发送HTTPS请求 if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase)) { ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); request = WebRequest.Create(url) as HttpWebRequest; request.ProtocolVersion = HttpVersion.Version10; } else { request = WebRequest.Create(url) as HttpWebRequest; } request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; if (!string.IsNullOrEmpty(userAgent)) { request.UserAgent = userAgent; } else { request.UserAgent = DefaultUserAgent; } if (timeout.HasValue) { request.Timeout = timeout.Value; } if (cookies != null) { request.CookieContainer = new CookieContainer(); request.CookieContainer.Add(cookies); } //如果需要POST数据 if (!(parameters == null || parameters.Count == 0)) { StringBuilder buffer = new StringBuilder(); int i = 0; foreach (string key in parameters.Keys) { if (i > 0) { buffer.AppendFormat("&{0}={1}", key, parameters[key]); } else { buffer.AppendFormat("{0}={1}", key, parameters[key]); } i++; } byte[] data = requestEncoding.GetBytes(buffer.ToString()); using (Stream stream = request.GetRequestStream()) { stream.Write(data, 0, data.Length); stream.Close(); } ; System.Console.Write(data.ToString() + " -----------"); /* Stream myResponseStream = request.GetResponse().GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8); string retString = myStreamReader.ReadToEnd(); System.Console.Write(retString);*/ //HttpWebResponse response = (HttpWebResponse)request.GetResponse(); /* string result = string.Empty; using (System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream())) { result = reader.ReadToEnd(); System.Console.Write(result+" "); }*/ } return (HttpWebResponse)request.GetResponse(); } private static RSACryptoServiceProvider DecodeRSAPrivateKey(byte[] privkey) { byte[] MODULUS, E, D, P, Q, DP, DQ, IQ; // --------- Set up stream to decode the asn.1 encoded RSA private key ------ MemoryStream mem = new MemoryStream(privkey); BinaryReader binr = new BinaryReader(mem); //wrap Memory Stream with BinaryReader for easy reading byte bt = 0; ushort twobytes = 0; int elems = 0; try { twobytes = binr.ReadUInt16(); if (twobytes == 0x8130) //data read as little endian order (actual data order for Sequence is 30 81) binr.ReadByte(); //advance 1 byte else if (twobytes == 0x8230) binr.ReadInt16(); //advance 2 bytes else return null; twobytes = binr.ReadUInt16(); if (twobytes != 0x0102) //version number return null; bt = binr.ReadByte(); if (bt != 0x00) return null; //------ all private key components are Integer sequences ---- elems = GetIntegerSize(binr); MODULUS = binr.ReadBytes(elems); elems = GetIntegerSize(binr); E = binr.ReadBytes(elems); elems = GetIntegerSize(binr); D = binr.ReadBytes(elems); elems = GetIntegerSize(binr); P = binr.ReadBytes(elems); elems = GetIntegerSize(binr); Q = binr.ReadBytes(elems); elems = GetIntegerSize(binr); DP = binr.ReadBytes(elems); elems = GetIntegerSize(binr); DQ = binr.ReadBytes(elems); elems = GetIntegerSize(binr); IQ = binr.ReadBytes(elems); // ------- create RSACryptoServiceProvider instance and initialize with public key ----- RSACryptoServiceProvider RSA = new RSACryptoServiceProvider(); RSAParameters RSAparams = new RSAParameters(); RSAparams.Modulus = MODULUS; RSAparams.Exponent = E; RSAparams.D = D; RSAparams.P = P; RSAparams.Q = Q; RSAparams.DP = DP; RSAparams.DQ = DQ; RSAparams.InverseQ = IQ; RSA.ImportParameters(RSAparams); return RSA; } catch (Exception) { return null; } finally { binr.Close(); } } private static int GetIntegerSize(BinaryReader binr) { byte bt = 0; byte lowbyte = 0x00; byte highbyte = 0x00; int count = 0; bt = binr.ReadByte(); if (bt != 0x02) //expect integer return 0; bt = binr.ReadByte(); if (bt == 0x81) count = binr.ReadByte(); // data size in next byte else if (bt == 0x82) { highbyte = binr.ReadByte(); // data size in next 2 bytes lowbyte = binr.ReadByte(); byte[] modint = { lowbyte, highbyte, 0x00, 0x00 }; count = BitConverter.ToInt32(modint, 0); } else { count = bt; // we already have the data size } while (binr.ReadByte() == 0x00) { //remove high order zeros in data count -= 1; } binr.BaseStream.Seek(-1, SeekOrigin.Current); //last ReadByte wasn't a removed zero, so back up a byte return count; } private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; //总是接受 } } }