众签demo
2024-08-21 18:39:49
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", "");//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, , 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(, query.Length - ); 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[]; 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 = ; ushort twobytes = ; 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(); //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 = ; 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 == ))
{
StringBuilder buffer = new StringBuilder();
int i = ;
foreach (string key in parameters.Keys)
{
if (i > )
{
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, , data.Length);
stream.Close();
}
;
System.Console.Write(data.ToString() + "\n-----------");
/* 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+"\n");
}*/
}
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 = ; ushort twobytes = ; int elems = ; 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 = ;
byte lowbyte = 0x00;
byte highbyte = 0x00;
int count = ;
bt = binr.ReadByte();
if (bt != 0x02) //expect integer
return ;
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, );
}
else
{
count = bt; // we already have the data size
} while (binr.ReadByte() == 0x00)
{ //remove high order zeros in data
count -= ;
}
binr.BaseStream.Seek(-, 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
}
}
}
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