Version 0.3

Nothing big. The only change is:

Use encoding/hex to hexdigest md5 signature.

Version 0.2

The signature length has been cut off to 8 characters.

new_signature := old_signature[8:16]

First Preview Release

A secure download server.

The program is very simple. It is a middleware that checking query strings, if the signature matches, the real server with be golang's built-in http.FileServer.