Re: Patch - BIFF5 era XOR crypto

[Jody Goldberg <jody gnome org>]

On Tue, Dec 09, 2003 at 02:30:00AM +0000, Nick Lamb wrote:
> Previously any Excel 95 or earlier sheets with a password, or with some
> "security" settings which Microsoft deem worthy of security by obscurity
> could not be opened because Gnumeric did not implement the necessary
> XOR based algorithm. Some Excel 97 and later sheets were also affected,
> especially in countries where strong cryptography is prohibited.
>
> The attached patch implements Microsoft's early XOR based 128 bit crypto
> so that these files behave properly in Gnumeric.
>
> Please apply to 1.2 CVS (or give permission to apply)

Looks good overall.  I'd like to do a thorough review on the
weekend, and we should be able to slide it in after 1.2.3