bug#37758: 27.0.50; Support multibyte characters in function 'auth-source--pad'an; with patch

[mgcyung <mgcyung@gmail.com>]

Yes. It works fine.

On Tue, 15 Oct 2019 14:43:58 +0800,
Lars Ingebrigtsen wrote:
> 
> mgcyung <mgcyung@gmail.com> writes:
> 
> > 'auth-source--pad' use 'length' to get byte length of a
> > string. However, 'length' return the number of characters which is not
> > the byte length with multibyte characters such as Chinese
> > character. This may causes an error "GnuTLS cipher
> > AES-256-CBC/encrypt input block length xxxx is not a multiple of the
> > required 16".
> >
> > According to the doc of 'length'. 'length' can be replaced by
> > 'string-bytes'. And a patch is attached.
> 
> Thanks for the patch, but I don't think it's a quite safe change.
> Instead the string should be made into a sequence of bytes before
> padding (and converted back again afterwards) to ensure that it survives
> the encryption, I think.
> 
> I've now made this change on the trunk.  Could you check that it works
> for you?
> 
> -- 
> (domestic pets only, the antidote for overdose, milk.)
>    bloggy blog: http://lars.ingebrigtsen.no