public static void PaymentPost(HttpContext c, string paymentUrl, string merchantId, string returnUrl, string paymentTypeObjId, string amtStr, string merTransId)
{
string xmlKey = File.ReadAllText("D:\\" + merchantId + ".xml");
RSAParameters PrvKeyInfo = RSAUtility.GetPrvKeyFromXmlString(xmlKey);
RSACng rsa = new RSACng();
rsa.ImportParameters(PrvKeyInfo);
string orgString = merchantId + merTransId + paymentTypeObjId + amtStr + returnUrl;
ASCIIEncoding byteConverter = new ASCIIEncoding();
byte[] orgData = byteConverter.GetBytes(orgString);
byte[] signedData = rsa.SignData(orgData, HashAlgorithmName.MD5, RSASignaturePadding.Pkcs1);
string signedString = Convert.ToBase64String(signedData);
RemotePost myremotepost = new RemotePost(c);
myremotepost.Url = paymentUrl;
myremotepost.Inputs.Add(new string[] { "MerId", merchantId });
myremotepost.Inputs.Add(new string[] { "Amt", amtStr });
myremotepost.Inputs.Add(new string[] { "PaymentTypeObjId", paymentTypeObjId });
myremotepost.Inputs.Add(new string[] { "MerTransId", merTransId });
myremotepost.Inputs.Add(new string[] { "ReturnUrl", returnUrl });
myremotepost.Inputs.Add(new string[] { "CheckValue", signedString });
myremotepost.Post();
}
public static bool PaymentVerify(HttpRequest curRequest, out string merId, out string amt, out string merTransId, out string transId, out string transTime)
{
merId = curRequest.Form["merId"].ToString();
amt = curRequest.Form["amt"].ToString();
merTransId = curRequest.Form["merTransId"].ToString();
transId = curRequest.Form["transId"].ToString();
transTime = curRequest.Form["transTime"].ToString();
string checkValue = curRequest.Form["checkValue"].ToString();
string PaymentPublicKey = File.ReadAllText("d:\\PaymentPublicKey.txt");
RSAParameters PubKeyInfo = RSAUtility.GetPubKeyFromXmlString(PaymentPublicKey);
string orgString = merId + merTransId + amt + transId + transTime;
ASCIIEncoding byteConverter = new ASCIIEncoding();
byte[] orgData = byteConverter.GetBytes(orgString);
byte[] signedData = Convert.FromBase64String(checkValue);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.ImportParameters(PubKeyInfo);
return(rsa.VerifyData(orgData, signedData, HashAlgorithmName.MD5, RSASignaturePadding.Pkcs1));
}