Seperate RSA subkeys for decryption and signing or one for both?

Hubert Kario hka at qbs.com.pl
Tue Dec 4 18:32:07 CET 2012


On Tuesday 04 of December 2012 16:07:26 Nicholas Cole wrote:
> On Tue, Dec 4, 2012 at 12:19 PM, Hubert Kario <hka at qbs.com.pl> wrote:
> > On Monday 03 of December 2012 12:41:10 Hauke Laging wrote:
> >> Do any problems arise with the smartcard if the same key shall do
> >> different
> >> tasks?
> > 
> > Keys can become "used up" so it entirely depends on how often you use it.
> > 
> 
> Do you have a reference for this?

Sorry for double posting, here's some reference: 
http://security.stackexchange.com/a/18242/3306

Regards,
-- 
Hubert Kario
QBS - Quality Business Software
02-656 Warszawa, ul. Ksawerów 30/85
tel. +48 (22) 646-61-51, 646-74-24
www.qbs.com.pl



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