/// <summary>
/// 签名算法；支持hmac-sha256；md5
/// </summary>
/// <param name="message"></param>
/// <param name="secret"></param>
/// <param name="signMethod">哈希算法，默认HMACSHA256</param>
/// <returns>签名16进制</returns>
public virtual string GetSignhHash(string message, string secret, EncryptEnum signMethod = EncryptEnum.Default)
{
if (signMethod.HasFlag(EncryptEnum.Default) || signMethod.HasFlag(EncryptEnum.SignHMACSHA256))
{
return(SignCommon.GetHMACSHA256Sign(message, secret));
}
else if (signMethod.HasFlag(EncryptEnum.SignSHA256))
{
return(SignCommon.GetSHA256Sign(message, secret));
}
else if (signMethod.HasFlag(EncryptEnum.SignMD5))
{
return(SignCommon.CreateMD5(message, secret));
}
else
{
return(SignCommon.GetHMACSHA256Sign(message, secret));
}
}
/// <summary>
/// 定义摘要算法
/// </summary>
/// <param name="message"></param>
/// <param name="secret"></param>
/// <param name="signMethod"></param>
/// <returns></returns>
public string GetSignhHash(string message, string secret, EncryptEnum signMethod = EncryptEnum.Default)
{
return("5555555");
}
/// <summary>
/// 通用生成签名
/// </summary>
/// <param name="secret"></param>
/// <param name="query">url参数,参数名统一小写；参数中不能包含时间戳，时间戳已内部处理，参数名为：timestamp</param>
/// <param name="body">body参数</param>
/// <param name="signMethod">算法名称:hmac-sha256；md5</param>
/// <remarks><![CDATA[ 将url参数与body参数以'&'分割]]>
/// 拼装新字符串utf-8编码后
/// HMACSHA256摘要后转16进制小写
/// </remarks>
/// <returns></returns>
public static string CreateSign(string secret, NameValueCollection query, object body = null, EncryptEnum signMethod = EncryptEnum.Default, bool prinftLog = false)
{
IDictionary <string, string> queryDic = new Dictionary <string, string>();
foreach (var k in query.AllKeys)
{
queryDic.Add(k, query[k]);
}
if (queryDic == null || !queryDic.Any())
{
Console.WriteLine("签名公共参数必须以url方式提供");
return(string.Empty);
}
if (body != null)
{
var jsonString = JsonSerializer.Serialize(body, new JsonSerializerOptions {
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
});
queryDic.Add("body", Regex.Replace(jsonString, @"\s(?=([^""]*""[^""]*"")*[^""]*$)", string.Empty));
}
var dicOrder = queryDic.OrderBy(s => s.Key, StringComparer.Ordinal).ToList();
StringBuilder requestStr = new StringBuilder();
for (int i = 0; i < dicOrder.Count(); i++)
{
if (i == dicOrder.Count() - 1)
{
requestStr.Append($"{dicOrder[i].Key}={dicOrder[i].Value}");
}
else
{
requestStr.Append($"{dicOrder[i].Key}={dicOrder[i].Value}&");
}
}
var utf8Request = GetUtf8(requestStr.ToString());
string result;
if (signMethod.HasFlag(EncryptEnum.Default) || signMethod.HasFlag(EncryptEnum.SignHMACSHA256))
{
result = GetHMACSHA256Sign(utf8Request, secret);
}
else if (signMethod.HasFlag(EncryptEnum.SignSHA256))
{
result = GetSHA256Sign(utf8Request, secret);
}
else if (signMethod.HasFlag(EncryptEnum.SignMD5))
{
result = CreateMD5(utf8Request, secret);
}
else
{
result = GetHMACSHA256Sign(utf8Request, secret);
}
if (prinftLog)
{
Console.WriteLine($"拼装排序后的值==>{utf8Request};摘要计算后的值==>{result}");
}
return(result);
}