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I think I need to better define context.

There's no need to consider inter-operability. It is years I use open
document format only and convert on requirement. Of course this operation
is considered with care.
People interested in choosing a password might have to check
arstechnica.comas they have plenty of information.
I am not asking about the strength of encryption either: the data I'm
currently mangling is more important than others but not so much I need to
make it NSA-proof. BTW, I can tell from experience AES-256 is going to be
enough in many cases. In my case, everything preventing accidental opening
is sufficient, including a ROT4.

So, to state my concerns more clearly,
In your experience, how is stable and trustable are password protected LO


2013/12/18 Tom Davies <>

Hi :)
Thought a few people might be interested in these links

So a hugely significant number of people still think that "password"
is an awesomely clever password.  How often do you overhear someone on
a phone or a train trying to tell someone what the password is
discretely so that other passengers don't hear it, only to hear them
have to then repeat the password louder and louder and maybe even have
to spell it out letter-by-letter.  Weirdly more complex passwords
never seem to need repeating.

Regards from
Tom :)

On 17 December 2013 15:34, Tom Davies <> wrote:
Hi :)
Hopefully there was just a misunderstanding somewhere there!  Password
protection can be useful but only really when used in combination with
other security measures.

There were some problems early on, around 3.3.x maybe up to 3.4.x but
i haven't heard of any problems for years now.  Personally i avoid
password protecting files and just keep such files well out of reach
of anyone that wouldn't be authorised to see them.  Emails and
usb-sticks make that tricky though!

Early on i noticed that MS Office password-protected files could
easily be opened in LibreOffice.  In fact i didn't even realise my
companies finance files were individually password protected until
after i had opened them and the finance director saw i had the file
open and went ashen-faced.  I've been told it happens the other way
around too, that LibreOffice or OpenOffice files that are password
protected can be easily opened in MS Office but i've never tried it

Password protection is good to prevent causal accidental intrusion
from polite colleagues but it's not reliable enough on it's own.
Given enough time any password can be cracked.  So, password
protection is best when used in combination with other security
measures, such as [shudders] encryption, or just keeping the files out
of reach (if that is at all possible these days).

All security is often at the expense of productivity and security
measures tend to restrict valid personnel from legitimate work rather
than slowing down hackers/crackers.  So, take care!

Regards from
Tom :)

On 17 December 2013 15:12, Massimo Del Zotto <>
Hello mailing list users.
I am currently an OOo user. It's a while I hear about LO, but so far
got truly disappointed by it so I resisted change.
However, I recently had a problem with OOo password protection. Somehow
disabled password protection for a file I was working on and it took me
while to restore it. Asking for help on OOo forum, I have been informed
password protection is somehow considered "unnecessary" by... I don't
who to be honest.
The important point is that I have been informed of various issues OOo
seems to have with password protection. The forum administrator strongly
suggested me to not use it, and even pointed out a few previous cases in
which password protection caused data loss (!!!).
I think *this is unacceptable *so I started looking more seriously at
Digging the mailing list archives, I noticed there are quite a few
regarding password protection. It seems most problem were between
and chair, the only exception being perhaps an inter-operability problem
after switching to AES-256.

In your experience, how is LO with password protection?

Thank you,

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