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Subject: [OASIS Issue Tracker] Commented: (OFFICE-2727) ODF 1.2 Part 3 4.8.7manifest:key-size units, constraints, and defaults

    [ http://tools.oasis-open.org/issues/browse/OFFICE-2727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=22763#action_22763 ] 

Dennis Hamilton commented on OFFICE-2727:


I think your suggestion of fixed default values will work.  We might need a note that the choice of algorithm might make the default inappropriate.

I will include your considerations when I build a markup of all of these issues so I can make sure the changes are mutually consistent.  That will be done today or tomorrow (my time).

> ODF 1.2 Part 3 4.8.7 manifest:key-size units, constraints, and defaults
> -----------------------------------------------------------------------
>                 Key: OFFICE-2727
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-2727
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: Packaging, Part 3 (Packages), Security
>    Affects Versions: ODF 1.2 CD 05
>         Environment: The optional manifest:key-size attribute is introduced with ODF 1.2.  This issue is described specifically against the text in ODF 1.2 CD05 Part 3.
>            Reporter: Dennis Hamilton
>            Assignee: Dennis Hamilton
>             Fix For: ODF 1.2 CD 06
> Key sizes are typically expressed in bits or octets (the number of consecutive 8-bit groups contained in the key) and are regarded as big-endian numbers.  No size unit is specified for the manifest:key-size attributes, but examination of current implementations indicates that the value is a number of octets.   Those units and how short keys are extracted from algorithms that produce longers ones needs to be explicit.
> There are also natural constraints on key sizes, either because an algorithm produces a fixed-size result or because an algorithm to which the key will be supplied has constraints on the sizes of keys it accepts.  These effects need to be accounted for in some way.

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