public static FileIdentity IdentifyFile(string path)
{
long filesize;
byte[] shorthash;
byte[] hash;
using (var fs = new FileStream(path, FileMode.Open, FileAccess.Read)) {
filesize = fs.Length;
shorthash = HashUtil.CalculateShortHash(fs);
hash = HashUtil.CalculateHash(fs);
}
return(new FileIdentity(filesize, shorthash, hash));
}