On Sat, 2005-09-17 at 14:24 +0200, cono wrote: > G. Roderick Singleton wrote: > > >>>If you save in a foreign, proprietary format for which there is no API > >>>please explain how OOo should export its security features. I think this > >>>is neither a possible nor reasonable expectation. OOo docs, protected > >>>with digital signatures and encrypted seem very safe to me. > >> > >>Nor the password protection is exported, nor the macro-code... > >>And if using the macro-code is essential for benefiting a spreadsheet, > >>password protection of the library indeed ìs an effective protection. > > > > Which what digital signing is supposed to do. Doesn't it? > > > I've read through the information reg. digital signatures in the (ever > growing ;-) user guide (compliments). And the specs at > spec.openoffice.org for this item. > > So a digital signature makes traceble who edited a certain document, > that the document is indeed from the person it should be, etc. > However this is not the same as allowing someone to use a spreadsheet, > and at the same time preventing him/her access to all the contents of > the document. > Password-protection of a workbook and hiding sheets looked > fine...however: the hidden contents is just there in the unzipped > XML-file ánd the password disapears on a SaveAs to .xls. > Encripting a document is very secure, however does not allow the use of > the document ;-) > > So the solution I've found for a Calc-document: put some vital > functions/data in a encrypted macro. The document is usable, whereas the > 'intelligence' is hidden.
And do not forget to sign the macro as well. -- PLEASE KEEP MESSAGES ON THE LIST. OpenOffice.org Documentation Co-Lead http://documentation.openoffice.org/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
