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Re: urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re
From: |
Kevin Keck |
Subject: |
Re: urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")) |
Date: |
Mon, 10 Mar 2003 01:52:51 -0800 |
User-agent: |
Microsoft-Outlook-Express-Macintosh-Edition/5.02.2022 |
on 2003/03/08 11:20 AM, Benja Fallenstein at address@hidden wrote:
>
> Hi Toni--
>
> Alatalo Toni wrote:
>> On Sat, 8 Mar 2003, Danny Ayers wrote:
>>> Hmm, I'm sure you have good reason to use something other than URIs for
>
> (replied to Danny by private mail)
>
>> afaik the cryptographic content hash forms the URI (urn-5)
>
> Nope, urn:urn-5 is for random numbers (when you create a new node and
> want to assign a random URI to it) and is not related to hashes. There's
> no URI scheme or URN namespace for hashed data, yet (AFAIK).
>
> (Sorry to send this thru the lists, but it would be bad if this
> misconception stood without refutation...)
>
> - Benja
Actually, there's at least three used with the various file sharing apps:
MAGNET, apparently supported by some Gnutella programs. Uses sha1. Example:
<magnet:?xt=urn:sha1:ZETNTXVNDO2DS32627BQNKIADS3RT3T5&dn=Shareaza1700.exe>
eDonkey ed2k URIs, which use MD4. Example:
<ed2k://|file|Shareaza1700.exe|1330539|b29e2440d84ed468a63971220667786f|/>
sig2dat URIs, used with Kazaa, Grokster, etc. Not sure what hash. Example:
<sig2dat://|File:%20Shareaza1700.exe|Length:%201330539%20Bytes,%201299KB|UUH
ash/kHiGJMFBOMT2rdMU=|>
--
Kevin Keck
address@hidden
- [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), (continued)
- Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Benja Fallenstein, 2003/03/08
- TM... (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")), Benja Fallenstein, 2003/03/08
- Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/08
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Danny Ayers, 2003/03/08
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/08
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/08
- urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")), Benja Fallenstein, 2003/03/08
- Re: urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")),
Kevin Keck <=
- Re: urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")), Tuomas Lukka, 2003/03/10
- Re: urn-5 vs hashes (was: Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based...")), Benja Fallenstein, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Danny Ayers, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Danny Ayers, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/10
- Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Benja Fallenstein, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Danny Ayers, 2003/03/10
- RE: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Alatalo Toni, 2003/03/11
- Re: [Gzz] RE: [ba-ohs-talk] Fenfire, RDF (re "Towards a Standard Graph-Based..."), Benja Fallenstein, 2003/03/08