Re: Naming things with hashes (not #, but e.g. md5)

On 4/6/12 8:26 AM, Henry S. Thompson wrote:
> Relevant to the httpRange-14 discussion, maybe:
>
>    http://www.ietf.org/id/draft-farrell-decade-ni-02.txt
>
> ht

Very interesting, especially re:

http://tcd.ie/ni/sha256;UyaQV-Ev4rdLoHyJJWCi11OHfrYv9E1aGQAlMO2X_-Q

expanding to:

http://tcd.ie/.well-known/ni/sha256;UyaQV-Ev4rdLoHyJJWCi11OHfrYv9E1aGQAlMO2X_-Q

as deciphered from:

   +-------------------------------------------------------------------+
   | URI:                                                              |
   | ni:///sha-256;UyaQV-Ev4rdLoHyJJWCi11OHfrYv9E1aGQAlMO2X_-Q         |
   +-------------------------------------------------------------------+
   | .well-known URL (split over 2 lines):                             |
   | http://tcd.ie/.well-known/ni/sha256/                              |
   | UyaQV-Ev4rdLoHyJJWCi11OHfrYv9E1aGQAlMO2X_-Q                       |
   +-------------------------------------------------------------------+
   | URL Fragment:                                                     |
   | sha-256;UyaQV-Ev4rdLoHyJJWCi11OHfrYv9E1aGQAlMO2X_-Q               |
   +-------------------------------------------------------------------+
   | Binary name (ASCII hex encoded) with 120-bit truncated hash value |
   | which is Suite ID 0x03:                                           |
   | 0326 5357 902f e1b7 e2a0 4b89 7c60 25d7                           |
   +-------------------------------------------------------------------+
   | Human-readable form of a name for this key (truncated to 120 bits |
   | in length) with checksum:                                         |
   | sha-256-120;ezjvpebp4g36ficlrf6gajox;eokv                         |
   +-------------------------------------------------------------------+
   | Human readable form of a name for this key (truncated to 32 bits  |
   | in length) with checksum:                                         |
   | sha-256-32;ezjvpea;csdh                                           |
   +-------------------------------------------------------------------+

                          Figure 6: Example Names

-- 

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Kingsley Idehen	
Founder&  CEO
OpenLink Software
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