private static string GenerateChecksum(string uri)
{
lock (Locker)
{
using (var reader = _fileIO.OpenRead(_pathProvider.MapPath(uri)))
{
using (var sha1 = System.Security.Cryptography.SHA1.Create())
{
var hash = sha1.ComputeHash(reader);
var hashvalue = string.Join("", hash.Select(b => b.ToString("x2")).ToArray());
return(hashvalue);
}
}
}
}