//签名验证
public bool CheckSign(string jsonStr)
{
if (null == jsonStr && jsonStr.Length <= 0)
{
return(false);
}
JObject jo = JObject.Parse(jsonStr);
var result = "";
if (jo.Property("result") != null)
{
object resultTemp = jo["result"];
result = JsonConvert.SerializeObject(resultTemp).Replace(" ", "").Replace("\r", "").Replace("\n", "").Replace("\\", "");
}
string status = jo["state"].ToString();
string ts = jo["ts"].ToString();
string ext = "";
if (null != jo["ext"])
{
ext = JsonConvert.SerializeObject(jo["ext"]).Replace(" ", "").Replace("\r", "").Replace("\n", "").Replace("\t", "");
}
string resultStr = secretKey + status + result + ts + ext + secretKey;
string signString = new MD5Hashing().HashString(resultStr);
string sign = jo["sign"].ToString();
if (signString.Equals(sign))
{
return(true);
}
return(false);
}
/// <summary>
/// 给请求签名。
/// </summary>
/// <param name="parameters">所有字符型的请求参数</param>
/// <param name="body">请求主体内容</param>
/// <param name="secret">签名密钥</param>
/// <param name="signMethod">签名方法md5</param>
/// <returns>签名</returns>
public static string SignTopRequest(IDictionary <string, string> parameters, string body, string secret, string signMethod)
{
// 第一步：把字典按Key的字母顺序排序
IDictionary <string, string> sortedParams = new SortedDictionary <string, string>(parameters, StringComparer.Ordinal);
// 第二步：把所有参数名和参数值串在一起
StringBuilder query = new StringBuilder();
query.Append(secret);
foreach (KeyValuePair <string, string> kv in sortedParams)
{
if (!string.IsNullOrEmpty(kv.Key) && !string.IsNullOrEmpty(kv.Value))
{
query.Append(kv.Key).Append(kv.Value);
}
}
// 第三步：把请求主体拼接在参数后面
if (!string.IsNullOrEmpty(body))
{
query.Append(body);
}
// 第四步：使用MD5算法加密，并返回加密结果
query.Append(secret);
MD5Hashing md5 = new MD5Hashing();
return(md5.HashString(query.ToString()));
}
