W3C home > Mailing lists > Public > public-xg-webid@w3.org > November 2011

Re: rsa ontology in cert namespace

From: Mo McRoberts <mo.mcroberts@bbc.co.uk>
Date: Tue, 22 Nov 2011 13:27:19 +0000
Cc: Henry Story <henry.story@bblfish.net>, WebID XG <public-xg-webid@w3.org>
Message-Id: <E9A090CC-B043-4883-9F5E-D10380866979@bbc.co.uk>
To: Tim Berners-Lee <timbl@w3.org>

On 22 Nov 2011, at 13:17, Tim Berners-Lee wrote:

> 
> On 2011-11 -21, at 12:58, Henry Story wrote:
> 
>> If we move the rsa ontology to cert namespace we may need to add rsa prefixes, to distinguish an rsa parameter from a dsa or other parameter -- but perhaps we don't have to - I suppose this would be a good reason to have a DSA ontology, just to see if there are clashes. In any case here is what this would give the following 
> 
> Is there a sense in which the exponent of an RSA key and that of a DSA key are the same property and 
> should just be cert:exponent?

You could take that view with the modulus — they are both integer values constituting the same thing, albeit as part of different sets of calculations (and I'm assuming there'll be cert:RSAPublicKey and cert:DSAPublicKey classes to differentiate them).

Given that, you could specify, covering the needs of both RSA & DSA:

cert:exponent (cert:RSAPublicKey)
cert:modulus (cert:RSAPublicKey, cert:DSAPublicKey)
cert:divisor (cert:DSAPublicKey)
cert:generator (cert:DSAPublicKey)
cert:keyValue (cert:DSAPublicKey) (I couldn't think of a better name)

…which seems to be a pretty reasonable approach.

M.

-- 
Mo McRoberts - Technical Lead - The Space,
0141 422 6036 (Internal: 01-26036) - PGP key CEBCF03E,
Project Office: Room 7083, BBC Television Centre, London W12 7RJ



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Received on Tuesday, 22 November 2011 13:27:48 GMT

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