Passwords on ODF files

Nils Kassube kassube at gmx.net
Sat Aug 11 19:55:31 BST 2007


Larry Hartman wrote:
> > The calculation above applies to file safes as well, if it is for
> > brute force attacks only. But there is another possible approach. You
> > can find faults in the encryption algorithm. If the algorithm is
> > weak, it may be much easier to decrypt the contents of the file save
> > or anything else which is encrypted.
>
> more questions.....the encryption algorithm, is the algorithm generated
> by the password, or generated by OpenOffice programming, or both?

The algorithm is part of OpenOffice. It generates the encrypted output 
from the unencrypted input and the password.

> How well are *.odf files encrypted..i.e what level of effort would be
> necessary to undo this?

I have no idea as I don't know the details about the encryption of 
OpenOffice -- and I am no cryptography expert. Maybe you should try for 
yourself using the program Matt mentioned.


Nils



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