[Moims-dai] Fixity definition

[David Giaretta]

Hi Mike

 

OAIS version 1 had some errors to do with authenticity which led to the mention of authentication and authentication keys in fixity. Those issues were fixed in version 2 after a lot of discussion (maybe you think today was long but boy….!).

 

I’d have to check XFDU, PAIS and PAIMAS but I suspect they do mean authentication in the correct way.

 

..David

 

From: MOIMS-DAI [mailto:moims-dai-bounces at mailman.ccsds.org] On Behalf Of Mike Kearney
Sent: 04 April 2017 16:14
To: 'MOIMS-Data Archive Ingestion' <moims-dai at mailman.ccsds.org>
Subject: [Moims-dai] Fixity definition

 

Just as an observation on the definition of fixity information:  (Mark’s suggested change 18) 

 

This is what the SANA registry has as a definition for fixity information.   

http://www.sanaregistry.org/r/terms/terms-f.html


fixity information

The information which documents the authentication mechanisms and provides authentication keys to ensure that the Content Information Object has not been altered in an undocumented manner. <http://www.sanaregistry.org/cgi/edit-glossary?r=terms&id=fixity_information> 

[ <http://sanaregistry.org/ccsds/recommendation?docid=661.0-B-1> 661.0‑B‑1]
[ <http://sanaregistry.org/ccsds/recommendation?docid=651.0-M-1> 651.0‑M‑1]
[ <http://sanaregistry.org/ccsds/recommendation?docid=651.1-B-1> 651.1‑B‑1]


fixity information

The information which documents the mechanisms that ensure that the Content Information object has not been altered in an undocumented manner. <http://www.sanaregistry.org/cgi/edit-glossary?r=terms&id=fixity_information_2> 

[ <http://sanaregistry.org/ccsds/recommendation?docid=650.0-M-2> 650.0‑M‑2]

 

XFDU, PAIS and PAIMAS definitions include “and provides authentication keys” but OAIS does not.  Should we also update the OAIS definition to include the phrase about authentication keys?  

 

   -=- Mike

 

Mike Kearney

Huntsville, Alabama, USA

 

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