/// <summary>
/// 将一键支付清算接口返回的结果进行解析，支付结果回调解析一样可以调用该方法
/// </summary>
/// <param name="ybResult">易宝支付返回的结果</param>
/// <returns></returns>
public static string checkYbClearResult(String ybResult)
{
if (ybResult.IndexOf("data") >= 0)
{
//将支付结果json字符串反序列化为对象
RespondJson respJson = Newtonsoft.Json.JsonConvert.DeserializeObject <RespondJson>(ybResult);
string yb_encryptkey = respJson.encryptkey;
string yb_data = respJson.data;
//将易宝返回的结果进行验签名
bool passSign = EncryptUtil.checkDecryptAndSign(yb_data, yb_encryptkey, yibaoPublickey, merchantPrivatekey);
if (passSign)
{
string yb_aeskey = RSAFromPkcs8.decryptData(yb_encryptkey, merchantPrivatekey, "UTF-8");
string payresult_view = AES.Decrypt(yb_data, yb_aeskey);
return(payresult_view);
}
else
{
return("验签未通过");
}
}
else
{
return(ybResult);
}
}
/// <summary>
/// 将请求接口中的业务明文参数加密并请求一键支付接口，单不对返回的数据进行解密，用于获取清算对账单接口--商户通用接口
/// </summary>
/// <param name="sd"></param>
/// <param name="apiUri"></param>
/// <returns></returns>
private string createMerchantDataAndRequestYb2(SortedDictionary <string, object> sd, string apiUri, bool ispost)
{
//随机生成商户AESkey
string merchantAesKey = AES.GenerateAESKey();
//生成RSA签名
string sign = EncryptUtil.handleRSA(sd, merchantPrivatekey);
sd.Add("sign", sign);
//将对象转换为json字符串
string bpinfo_json = Newtonsoft.Json.JsonConvert.SerializeObject(sd);
string datastring = AES.Encrypt(bpinfo_json, merchantAesKey);
//将商户merchantAesKey用RSA算法加密
string encryptkey = RSAFromPkcs8.encryptData(merchantAesKey, yibaoPublickey, "UTF-8");
String ybResult = "";
if (ispost)
{
ybResult = YJPayUtil.payAPIRequest(apimercahntprefix + apiUri, datastring, encryptkey, true);
}
else
{
ybResult = YJPayUtil.payAPIRequest(apimercahntprefix + apiUri, datastring, encryptkey, false);
}
return(YJPayUtil.checkYbClearResult(ybResult));
}
/// <summary>
/// 对一键支付返回的业务数据进行验签
/// </summary>
/// <param name="data"></param>
/// <param name="encrypt_key"></param>
/// <param name="yibaoPublickKey"></param>
/// <param name="merchantPrivateKey"></param>
/// <returns></returns>
public static bool checkDecryptAndSign(string data, string encrypt_key,
string yibaoPublickKey, string merchantPrivateKey)
{
/** 1.使用YBprivatekey解开aesEncrypt。 */
string AESKey = "";
try
{
AESKey = RSAFromPkcs8.decryptData(encrypt_key, merchantPrivateKey, "UTF-8");
}
catch (Exception e)
{
/** AES密钥解密失败 */
return(false);
}
/** 2.用aeskey解开data。取得data明文 */
string realData = AES.Decrypt(data, AESKey);
SortedDictionary <string, object> sd = Newtonsoft.Json.JsonConvert.DeserializeObject <SortedDictionary <string, object> >(realData);
/** 3.取得data明文sign。 */
string sign = (string)sd["sign"];
/** 4.对map中的值进行验证 */
StringBuilder signData = new StringBuilder();
foreach (var item in sd)
{
/** 把sign参数隔过去 */
if (item.Key == "sign")
{
continue;
}
signData.Append(item.Value);
}
signData = signData.Replace("\r", "");
signData = signData.Replace("\n", "");
signData = signData.Replace(" ", "");
signData = signData.Replace(" ", "");
signData = signData.Replace("\": \"", "\":\"");
signData = signData.Replace("\": ", "\":");
/**5. result为true时表明验签通过 */
bool result = RSAFromPkcs8.checkSign(Convert.ToString(signData), sign,
yibaoPublickKey, "UTF-8");
return(result);
}
/// <summary>
/// 将SortedDictionary中的键值拼接成一个大字符串，然后使用RSA生成签名
/// </summary>
/// <param name="sd"></param>
/// <param name="privatekey"></param>
/// <returns></returns>
public static string handleRSA(SortedDictionary <string, object> sd, string privatekey)
{
StringBuilder sbuffer = new StringBuilder();
foreach (KeyValuePair <string, object> item in sd)
{
sbuffer.Append(item.Value);
}
Console.WriteLine(sbuffer.ToString());
string sign = "";
sign = RSAFromPkcs8.sign(sbuffer.ToString(), privatekey, "UTF-8");
return(sign);
}
/// <summary>
/// 解密易宝支付回调结果
/// </summary>
/// <param name="data">易宝支付回调的业务数据密文</param>
/// <param name="encryptkey">易宝支付回调密钥密文</param>
/// <returns></returns>
public static string checkYbCallbackResult(string data, string encryptkey)
{
string yb_encryptkey = encryptkey;
string yb_data = data;
//将易宝返回的结果进行验签名
bool passSign = EncryptUtil.checkDecryptAndSign(yb_data, yb_encryptkey, yibaoPublickey, merchantPrivatekey);
if (passSign)
{
string yb_aeskey = RSAFromPkcs8.decryptData(yb_encryptkey, merchantPrivatekey, "UTF-8");
string payresult_view = AES.Decrypt(yb_data, yb_aeskey);
//返回易宝支付回调的业务数据明文
return(payresult_view);
}
else
{
return("验签未通过");
}
}
