public static string GetApiSignature(IDictionary <string, string> coll, string key)
{
var orgin = "POST&%2F&" +
PercentEncode(string.Join("&", coll.OrderBy(x => x.Key, StringComparer.Ordinal).Select(x => $"{PercentEncode(x.Key)}={PercentEncode(x.Value)}")));
var sign = HMACSHA1HashingProvider.Signature(orgin, key + "&", Encoding.UTF8);
// hex string to byte array
var buffer = sign.HexToBytes();
// convert bytes to base64 string and return
return(Convert.ToBase64String(buffer));
}
public void HmacSha1Test()
{
var signature = HMACSHA1HashingProvider.Signature("image", "alexinea");
Assert.Equal("0E5CF78AECFE44262169BB15003F97443E9DDFE3", signature);
}
private static string Signature(this string orgin, string key)
{
return(HMACSHA1HashingProvider.Signature(orgin, $"{key}&", Encoding.UTF8));
}
/// <summary>
/// 获取签名
/// </summary>
/// <param name="stringToSign">StringToSign</param>
/// <param name="signKey">SignKey</param>
/// <returns></returns>
private static string GetSignature(string stringToSign, string signKey)
{
return(HMACSHA1HashingProvider.Signature(stringToSign, signKey).ToLower());
}
/// <summary>
///
/// </summary>
/// <param name="q_key_time">Unix时间戳，以秒为单位，;分隔</param>
/// <param name="secretKey">腾讯云API的SecretKey</param>
/// <returns></returns>
private static string GetSignKey(string q_key_time, string secretKey)
{
return(HMACSHA1HashingProvider.Signature(q_key_time, secretKey).ToLower());
}
public void Test_HmacSha1()
{
var signature = HMACSHA1HashingProvider.Signature("image", "jianxuanbing");
Output.WriteLine(signature);
Assert.Equal("8D37923C16B438FC9B29462CB93723ADB46EF14A", signature);
}