public static ReqResponse CallAPI <TRequest>(NegotiationPayChannel pChannel, TRequest pRequest)
where TRequest : NeBaseAPIRequest
{
if (pRequest == null)
{
throw new ArgumentNullException("pRequest");
}
var reqContent = pRequest.GetContent();
var merchantID = JIT.CPOS.BS.Web.ApplicationInterface.Negotiation.Util.EncDecUtil.Base64Encrypt(pChannel.MerchantID);
string CertificateFilePath = HttpContext.Current.Server.MapPath("~/" + pChannel.CertificateFilePath);
RSAGenerator rsa = new RSAGenerator();
string key = rsa.getPublicKey();
var desKey = EncDecUtil.GetEncryptKey(key); //获取实际加密密钥
//采用Base64(RSA(加密密钥))计算出报文中的加密密钥
var encryptedDesKey = EncDecUtil.Base64Encrypt(EncDecUtil.RSAEncrypt(CertificateFilePath, pChannel.CertificateFilePassword, desKey + "11111111"));
//采用Base64(3DES(报文))加密报文
var encryptedContent = EncDecUtil.Base64Encrypt(EncDecUtil.TripleDESEncrypt(desKey, reqContent));
//使用md5生成摘要
var md5 = EncDecUtil.CreateMD5Encod(reqContent);
var requestContent = merchantID + "|" + encryptedDesKey + "|" + encryptedContent + "|" + md5;
using (WebClient wc = new WebClient())
{
string strResponse = wc.UploadString(url, requestContent);
string[] responseSections = strResponse.Split('|');
string rspCode = responseSections[0];
string rspContent = responseSections[1];
if (rspCode == "1")
{
var decRspBytes = EncDecUtil.TripleDESDecrypt(desKey, EncDecUtil.Base64Decrypt(rspContent));
string decRspContent = Encoding.UTF8.GetString(decRspBytes);
decRspContent = decRspContent.Replace("\0", string.Empty);
ReqResponse req = new ReqResponse();
req.ResultCode = rspCode;
req.Data = decRspContent;
return(req);
}
else
{
string errorCode = rspContent;
string errorMsg = Encoding.UTF8.GetString(EncDecUtil.Base64Decrypt(responseSections[2]));
UnionPayException ex = new UnionPayException(errorMsg);
ex.Code = errorCode;
Log.Loggers.Exception(new Log.ExceptionLogInfo(ex)
{
ErrorMessage = ex.ToString()
});
ReqResponse req = new ReqResponse();
req.ResultCode = errorCode;
req.Message = errorMsg;
return(req);
}
}
}
public static RSACryptoServiceProvider CreateCSPFromPrimes()
{
var p = PrimeGenerator.GetPrime1(512);
var q = PrimeGenerator.GetPrime1(512);
var csp = new RSACryptoServiceProvider();
csp.ImportParameters(RSAGenerator.GenerateKey(p, q));
return(csp);
}
static void Main(string[] args)
{
BigInteger p = PrimeGenerator.GetPrime1(1024);
BigInteger q = PrimeGenerator.GetPrime1(1024);
var rsaparams = RSAGenerator.GenerateKey(p, q);
using var csp = new RSACryptoServiceProvider();
csp.ImportParameters(rsaparams);
Console.Clear();
Console.WriteLine("KEYSIZE: " + csp.KeySize);
}
