On Wed, Oct 03, 2001 at 02:32:50AM +0100, George Hicken wrote: > > > > -----Original Message----- > > From: devl-admin at freenetproject.org > > [mailto:devl-admin at freenetproject.org]On Behalf Of thelema > > Sent: Wednesday, October 03, 2001 12:39 AM > > To: devl at freenetproject.org > > Subject: Re: [freenet-devl] Metadata and storable fields basics. > > > > > > On Wed, 03 Oct 2001, George Hicken wrote: > > > > > I am having trouble finding info on where and how Metadata is stored. > > > Metadata as in the Dublin Core metadata, not the freenet specific stuff, > > > like SplitFile. Is the metadata in the encrypted part of the > > doc (doesn't > > > seem to make much sense) or stored elsewhere (doesn't this > > compromise the > > > plausible deniability that was achieved for the node operators > > by encrypting > > > the docs in the first place), etc. > > > > > I don't know where the dublin core stuff went. > > > > Metadata is stored right next to the actual data; in fact, as far as > > freenet is concerned, they're parts of the same thing. There's just a > > magic number stored along with the data that tells you where the > > metadata stops and the data begins. > > > If the data is stored along with the document, i.e. encrypted, then why > bother with > metadata? If you have the means to read the metadata then you already have > both the > document and the decryption key. > I am not aware of anything that uses metadata expect for locating data. Once > you > have the full document what use is it? > > It seems that the metadata is not available until you have retrived and > decrypted the > document. At which point you have had to look in a key index of some > description to > retrieve the freenet uri and the decryption key. You will have used some > type of metadata > (possibly a plain text description, a list of keywords or something else) to > identify which > doc to retrieve, so the contents of the document are already known. > > I think that I do not understand the rational behind freenet knowing > anything about metadata. So that search engines can use the metadata. The search engines get the keys by following links on other freenet pages. See http://www.freegle.com/ > > > > Same problem for storable headers. There is some mention of them in the > > > how freenet works doc, but nothing useful if you don't know > > anything about > > > them already. > > > > > You don't ever have to worry about storable headers unless you're > > writing a node. The storables are where the metadata size is kept and > > some other technical stuff, but you just don't have to worry about them > > at all as an author or user. > > > > > These are extremely basic topics, but as I said, there doesn't appear to > > > be anything other than passing references in the docs on the site. > > > > > > If anyone knows of any docs on this that would be great. > > > > > The dublin core stuff was around before, I just can't find it now. The > > other is too obscure at the moment to worry about. > > > > Thelema > > -- > > E-mail: thelema314 at bigfoot.com If you love something, set it free. > > GPG 1536g/B9C5D1F7 fpr:075A A3F7 F70B 1397 345D A67E 70AA 820B A806 F95D > > > > > _______________________________________________ > Devl mailing list > Devl at freenetproject.org > http://lists.freenetproject.org/mailman/listinfo/devl
-- The road to Tycho is paved with good intentions _______________________________________________ Devl mailing list Devl at freenetproject.org http://lists.freenetproject.org/mailman/listinfo/devl
