On Fri, 2005-09-16 at 19:06 +0200, cono wrote: > G. Roderick Singleton wrote: > > > On Fri, 2005-09-16 at 15:04 +0200, cono wrote: > >>You're right Niklas, that there is no security from password protected > >>workbooks. Just unzipping the file, is enough to find the contents. > >>It might of course, be a little barrier to prevent people having access > >>right away. > >>Furthermore, one could wonder why bothering about password protection of > >>workbooks/sheets at all, if the protection is a bit of useless. > > > > > > Considering the content.xml is encrypted when any OOo file is saved with > > password, I do not see how unzipping does anything. Please explain. > > > Hi Ger, > > That's right for file-protection, not for sheet/workbook protection > (Tools|Protect document|...) > > > >>Beside that, I've thought about another way, convenient for Calc, to > >>reach a fine level of security: > >>a - put data/formula's, vital for using the document, in macro's, and > >>let the user start those by a button; > >>b - password protect that library (can't be the Standard-lib). > >> > >>As far as I've found, this is secure (conversion to xls does not convert > >>the macro's). If anyone has any doubt, pls let me know ;-) > > > 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? -- 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]
