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Subject: RE: [pkcs11] Groups - GMAC corrections and enhancements uploaded

I agree it doesn’t make a lot of sense, especially considering we don’t allow CKM_AES_CMAC to derive (according to 2.40).


If we did ever want to allow a GMAC/CMAC/HMAC based derivation we could define a separate mechanism much like CKM_SHAXXX_KEY_DERIVATION exists for the SHA based digest mechanisms.


If nobody has a counter opinion I’ll remove that check in an updated revision.




From: Dieter Bong [mailto:Dieter.Bong@utimaco.com]
Sent: April-24-17 7:01 AM
To: Gascon David <david.gascon@gemalto.com>; pkcs11@lists.oasis-open.org
Subject: RE: [pkcs11] Groups - GMAC corrections and enhancements uploaded


David and all TC members,


While reviewing the GMAC proposal I noticed that table 60 allows CKM_AES_GMAC not only for functions “Sign & Verify” but also for function “Derive”. Does that make sense? CKM_AES_MAC, CKM_AES_CMAC and CKM_SHAnnn_HMAC are also not foreseen for key derivation. I suggest to remove the “√” symbol for the Derive function.





From: pkcs11@lists.oasis-open.org [mailto:pkcs11@lists.oasis-open.org] On Behalf Of David Gascon
Sent: Freitag, 21. April 2017 17:10
To: pkcs11@lists.oasis-open.org
Subject: [pkcs11] Groups - GMAC corrections and enhancements uploaded


Document Name: GMAC corrections and enhancements

This document contains corrections for GCM/GMAC:
- Changed ulIvLen from 1- 256 bytes to 1 - 16
- Changed references in the GMAC section of HMAC to GMAC
- Added CK_GMAC_PARAMS to allow users to specify IV and tag length
- Moved GMAC section to below GCM and CCM encryption sections
Download Latest Revision
Public Download Link

Submitter: Mr. David Gascon
Folder: Documents
Date submitted: 2017-04-21 08:09:23



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