digital signatures

[Alexander Belchenko]

Jonathan Riddell пишет:
> I've implemented digital signature verification.  It uses the GPGME library.  Currently the output is like this
...
> I also added a --signatures option to bzr log which gives this sort of output
> 
> jr at gallus:~/src/bzr/test/c>/home/jr/src/bzr/bzr/bzr-gpgme/bzr log --signatures
> ------------------------------------------------------------
> revno: 1
> committer: Jonathan Riddell <jriddell at canonical.com>
> branch nick: c
> timestamp: Tue 2011-06-21 13:31:54 +0100
> signature: valid signature from Jonathan Riddell <jriddell at ubuntu.com>
> message:
>   add

Perhaps we'd need similar support in qlog as well, maybe with similar 
command-line option (or maybe with knob in qlog itself).

How does that impact performance? For qlog we'd better put verification 
into separate thread/process?