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Subject: RE: [office-comment] ODF 1.2 Part 3 - Identification of Algorithms
This comment applies to ODF 1.2 Part 3, Section 4.5 <manifest:algorithm> Section 4.5 ----------- The second paragraph reads (with allowance for typography) "When the manifest:algorithm-name attribute value matches one Of those defined in section 3.2 of [xmlenc-core], the <manifest:algorithm> element shall not have child elements except those permitted as child elements of the [xmlenc-core] <EncryptionMethod> element whose Algorithm attribute value is the same as the ... " Unfortunately, section 3.2 of [xmlenc-core] does not define Any values for the Algorithm attribute, directly or by reference. (Also, the word "Algorithm" should be in the fixed-pitch serif Font used for element and attribute names in this spec.) In addition, section 4.5 does not say anything about child elements here when the manifest:algorithm value is an alternative one as specified in section 4.8.1. SUGGESTION The correct reference is to section 5.2, not 3.2. A possible rewording is "When the manifest:algorithme-name attribute value matches one Of those defined in section 5.2 of [xmlenc-core], the <manifest:algorithm> element shall not have child elements except those permitted as child elements of the section 3.2 [xmlenc-core] <Encryption Method> element whose ... " NOTE: For the algorithms defined in section 5.2, the only defined child element is <KeySize> and it is never required since the identifiers determine that value. Also, ODF 1.2 Part 3 uses a separate manifest:key-size and Part 3 does not use anything here for Blowfish, not even <KeySize>. Further Observation ------------------- In the case where alternative algorithms are named in accordance with Part 3 section 4.8.1 (See OFFICE-3858), what also needs to be implementation-defined is whether any IV is provided by manifest:initialisation-vector or other means, and whether any child elements are defined, optional or mandatory, as children of <manifest:algorithm>. -- Dennis E. Hamilton dennis.hamilton@acm.org +1-206-779-9430 https://keybase.io/orcmid PGP F96E 89FF D456 628A
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