Re: [libreoffice-users] Encrypted MSO files (docx,xlsx) in Libo

On 2011-09-09, krisb wrote:

> This is my first message here so please be tolerant :) 

Let me just hide the flamethrower... ok, now we can start.

> Maybe it is a not right place to ask, but let me start. I'm wondering if is
> possible to open encrypted xlsx/docx files in Libo? IMHO MSO rights and
> concept of protecting files exclude possibility of opening it in competitors
> software, since it would be a breaking of encryption algorithm and it would
> be against MSO rights. Am I right? The encryption methods are part which I
> am not well acquainted yet :) 

Microsoft nowadays *claims* to be using open formats, so I'd expect the
encryption algorithm to be documented somewhere, and even if it isn't,
until some time ago it was pretty clear that math wasn't patenteable.

> As for example, similar topic was mentioned on OO forum:
> http://user.services.openoffice.org/en/forum/viewtopic.php?f=9&t=34894
> The file attached there could be opened in MSO, but in Libo 3.4.3
> (win&linux) I can only saw “Filter Selection” window and “general
> input/output error” message. The xlsx converted to xls in MSO (xls is also
> password protected), work smoothly in Libo. So encryption is essential.
>
> Moving away from the solution through the conversion to xls/doc, in general,
> is there a chance to open encrypted ***x file in Libo?

I wonder if this is related to your issue. Or wait, are you the
reporter?
https://bugs.freedesktop.org/show_bug.cgi?id=35422

-- 
Nuno J. Silva (aka njsg)
gopher://sdf-eu.org/1/users/njsg

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