private CrcResponse GetHash(string crc_token)
{
byte[] keyByte = new ASCIIEncoding().GetBytes(_consumerSecret);
byte[] messageBytes = new ASCIIEncoding().GetBytes(crc_token);
byte[] hashmessage = new HMACSHA256(keyByte).ComputeHash(messageBytes);
// to lowercase hexits
//String.Concat(Array.ConvertAll(hashmessage, x => x.ToString("x2")));
String.Concat(hashmessage.Select(element => element.ToString("x2")).ToArray());
// to base64
return(new CrcResponse {
response_token = Convert.ToBase64String(hashmessage)
});
}
