Re: pkcs15-init --store-certificate: Failed to store certificate: Non unique object ID

On Wed, 2020-01-29 at 12:39 +0200, Graham Leggett wrote:
> > On 29 Jan 2020, at 11:00, Jakub Jelen <[email protected]> wrote:
> > 
> > On Wed, 2020-01-29 at 10:05 +0200, Graham Leggett wrote:
> > > Hi all,
> > > 
> > > When an attempt is made to load a renewed certificate onto a
> > > properly
> > > formatted and otherwise working smartcard as follows, the error
> > > "Non
> > > unique object ID" is returned as follows:
> > > 
> > > [root@gatekeeper ~]# pkcs15-init --store-certificate john.cer --
> > > label 
> > > "John Smith (Globalsign)" --auth-id 01
> > > Using reader with a card: ACS ACR 38U-CCID 00 00
> > > Failed to store certificate: Non unique object ID
> > > 
> > > Can someone explain what this error is trying to tell me?
> > 
> > You are trying to write an object with the same ID that already
> > exists.
> 
> Can you explain further what this ID is? Is this something embedded
> in the new certificate, or is this something on the smartcard?

It is concept of the smart card. But there is a way to derive it from
the public key if you need to. See the manual page for pkcs15-init, the
--id switch describes this.

> > > What is an “object ID” when it comes to a certificate?
> > 
> > Object ID is a ID used to pair public, private and certificate
> > objects
> > in PKCS#11 layer and I believe also in PKCS#15 layer.
> 
> How do I set this ID, or control it?

pkcs15-init --id switch should do it.

Regards,
-- 
Jakub Jelen
Senior Software Engineer
Security Technologies
Red Hat, Inc.



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