Rewinding signature counter

[Pete Stephenson]

On 5/22/2013 10:08 PM, NdK wrote:
> Hello.
> 
> If, recovering from a backup, I "rewind" the signature counter on my
> master key, what happens?
> 
> In other words: is it just "decorative" (like knowing 'more or less' how
> many signatures I did) or it serves some purpose I (yet) don't understand?
> 
> That would impact heavily the backup policy...

I presume you're referring to the signature counter on the OpenPGP
smartcards.

As far as I understand it the counter is purely for informational
purposes -- it might be useful for a person or organization who needs to
keep track of signatures for audit purposes, for example.