public static string GetFileHash(string file)
{
var hash = "0";
if (File.Exists(file))
{
var alg = System.Security.Cryptography.HashAlgorithm.Create("MD5");
using (var stream = File.OpenRead(file))
{
var bytes = alg.ComputeHash(stream);
hash = CharUtil.ToHexString(bytes);
}
}
return(hash);
}