[wg11] Minutes of July 29th conference call

[Martin Hardwick]

Martin Hardwick hardwick at steptools.com <mailto:hardwick at steptools.com>

Robert Lipman robert.lipman at nist.gov <mailto:robert.lipman at nist.gov>

Dave Loffredo loffredo at steptools.com <mailto:loffredo at steptools.com>

Ed Paff ejp at transcendata.com <mailto:ejp at transcendata.com>

Jochen Fritz jfritz at steptools.com <mailto:jfritz at steptools.com>

Jochen Boy jochen.boy at prostep.com <mailto:jochen.boy at prostep.com>

Thomas Hedberg thomas.hedberg at nist.gov <mailto:thomas.hedberg at nist.gov>


We discussed supporting multiple digital signatures in one file for 
co-signing and counter-signing. Both applications are important but it 
seems unlikely that users will want to add additional data between 
signatures in the near term.


We discussed using signatures to maintain referential integrity between 
files. Digital fingerprints are typically used for this activity because 
they are shorter and easier for users to manage. A template for finger 
prints was included in the Schema_population header entity in the Draft 
International Standard but the idea was not fully developed.


We will make a proposal for supporting digital fingerprints in the next 
conference call and develop more scenarios.






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