public static string ComputeFileHash(string filePath)
{
using (var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
IEnumerable <string> enumerable = new xxHash(Seed).ComputeHash(fileStream).Select(b => b.ToString("X2")).Reverse();
return(string.Join("", enumerable.ToArray()).ToLower().TrimStart('0'));
}
}