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Subject: RE: [pkcs11] Re: CK_GCM_PARAMS Question

Bob, all,

This is actually the same issue as item 4 in the "public review comments resolution log".

Yes, it is an error and the reason is that the ulIvBits field is not needed - only ulIvLen is used. However, we cannot just remove the ulIvBits field from the struct since this would create an incompatibility.
Proposal: In the header file, we could add an âunusedâ comment to the field and in the 3.1 standard we should add a note to the mechanisms specification.


-----Original Message-----
From: pkcs11@lists.oasis-open.org <pkcs11@lists.oasis-open.org> On Behalf Of Robert Relyea
Sent: Mittwoch, 14. August 2019 20:08
To: Jonathan Schulze-Hewett <schulze-hewett@infoseccorp.com>; Michael Markowitz <markowitz@infoseccorp.com>
Cc: dee.schur@oasis-open.org; tony.cox@cryptsoft.com; pkcs11@lists.oasis-open.org
Subject: [pkcs11] Re: CK_GCM_PARAMS Question

On 08/13/2019 12:56 PM, Jonathan Schulze-Hewett wrote:
> Bob,
> The CK_GCM_PARAMS structure defined at
> http://docs.oasis-open.org/pkcs11/pkcs11-curr/v2.40/pkcs11-curr-v2.40.
> html
> does not include the ulIvBits member.
> However, the pkcs11t.h files published at
> http://docs.oasis-open.org/pkcs11/pkcs11-base/v2.40/errata01/csprd01/i
> nclude /pkcs11-v2.40/pkcs11t.h does include it.
> I'm assuming, since the NSS source for pkcs11t.h excludes it, that the
> posted (and widely used it seems) pkcs11t.h file is in error?

Well there is clearly an error. The spec does not define what ulIvBits means.
The same discrepancy is in the 3.0 versions as well.

(I'm putting this on the mailing list so we don't lose it as an issue).

> Thanks,
> Jonathan
> Jonathan Schulze-Hewett
> Director of Development
> Information Security Corp.
> mailto:schulze-hewett@infoseccorp.com
> 708-445-1704

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