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Subject: Questions about DSS-X Local Signature Computation Version 1.0

Dear Members,

I am writing in connection with Local Signature Computation Version 1.0 specification.

I have seen the e-mail sent on 2015-08-25 about the announcement of publication the specification Version 1.0. I looked through the related descriptions and schemas and I found that somehow the "final" version of XML schema does not correspond to "final" version of specification. I could perform XML schema validations on sample XML files by using "csprd02". E.g. from "final" XML schema the "RequestDocumentHash" is missing, it contains "ReturnDocumentHash". Also there was a comment about this in "Appendix E" but it is not clear which version may be the last: 'Processed the comments on CSD 01; see "https://www.oasis-open.org/committees/document.php?document_id=53473&wg_abbrev=dss-x";. Renamed localsig:ReturnDocumentHash into localsig:RequestDocumentHash (in Section in the code).' So, shall I use "RequestDocumentHash" or "ReturnDocumentHash" in SignRequest messages?

The other thing that was interesting that at Two-Step Approach operation mode (identified by: "http://docs.oasis-open.org/dss-x/ns/localsig/two-step-approach";), the "Profile" attribute at the SECOND SignRequest MUST also be "http://docs.oasis-open.org/dss-x/ns/localsig";. For the FIRST SignRequest, it is clear, that this identifies that returned value shall be just a simple hash, but at the SECOND SignRequest the client shall identify the finalized type of the result Signature structure which should be e.g. "urn:oasis:names:tc:dss:1.0:profiles:XAdES" in case of XAdES, isn't it?!

Anyway, just in general, I can say, that I liked the descriptions of all uses cases in this document. They are all in conformance with NPAPI-free operation modes that are supported by recently used, eIDAS-conform eID systems such as German or Hungarian national eID cards.

BR, Aron

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