Re: [Gzz] Simple Storm again

[Tuomas Lukka]

On Wed, Apr 02, 2003 at 12:56:20AM +0200, Benja Fallenstein wrote:
> 
> Hi all,
> 
> please have a look at the 'simple storm' PEG again. If nobody's opposed, 
> I'd like to start using this soon, in order to get on with Storm.

Couple of clarifications and questions below, will accept once 
these are resolved.

> - Won't dropping headers make it harder to include metadata?
> 
>    RESOLVED: MIME headers are a non-extensible form of metadata
>    anyway; if we allow ``X-`` headers, we have problems with
>    permanence. We can still put metadata into another block
>    refering to this one; alternatively, many file formats
>    allow inclusion of metadata in the file itself (e.g. PNG).

Clarification:

Or also you can use blocks of a mime type that is metadata + another
block reference.

>    I suggest that we may look at the header issue again
>    related to pointers. Instead of having pointer URIs,
>    we might have 'reference' URIs which give the hash
>    of a metadata block used to retrieve the actual data.
>    This metadata block could be used to implement the HTTP
>    features as well as pointers and CC licenses.

How are headers of a stable block related to pointers? I don't understand.

Maybe just remove this paragraph for now?

> - Why bitzi bitprint? What is it? Why not SHA-1?
> 
>    RESOLVED: Bitprints are a combination of a SHA-1 hash with a
>    Merkle hash tree based on the Tiger hash algorithm.
>    Hash algorithms get broken; when one of the above
>    is broken, you have a transitional period before
>    the other is, too, in which you can e.g. sign blocks,
>    ensuring you can still use them when the other
>    is broken too.

Heh... AJK, remember my reductio ad absurdum? ;)

        Tuomas