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From: "Kusztal, ArkadiuszX" <arkadiuszx.kusztal@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"akhil.goyal@nxp.com" <akhil.goyal@nxp.com>,
	"anoobj@marvell.com" <anoobj@marvell.com>,
	"Doherty, Declan" <declan.doherty@intel.com>,
	"Trahe, Fiona" <fiona.trahe@intel.com>,
	"asomalap@amd.com" <asomalap@amd.com>,
	"rnagadheeraj@marvell.com" <rnagadheeraj@marvell.com>,
	"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
	"De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
	"Zhang, Roy Fan" <roy.fan.zhang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2] doc: announce move of aes gmac algorithm to aead
Date: Mon, 31 Aug 2020 06:34:00 +0000
Message-ID: <CY4PR11MB18306E2CC1EB041B6295A9C49F510@CY4PR11MB1830.namprd11.prod.outlook.com> (raw)
In-Reply-To: <4171449.91m3rO6bWt@thomas>

Hi Thomas,

-----Original Message-----
From: Thomas Monjalon <thomas@monjalon.net> 
Sent: piątek, 7 sierpnia 2020 23:49
To: Kusztal, ArkadiuszX <arkadiuszx.kusztal@intel.com>
Cc: dev@dpdk.org; akhil.goyal@nxp.com; anoobj@marvell.com; Doherty, Declan <declan.doherty@intel.com>; Trahe, Fiona <fiona.trahe@intel.com>; asomalap@amd.com; rnagadheeraj@marvell.com; hemant.agrawal@nxp.com; De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; Zhang, Roy Fan <roy.fan.zhang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2] doc: announce move of aes gmac algorithm to aead

05/08/2020 17:15, Arek Kusztal:
> This patch announces removal of RTE_CRYPTO_AUTH_AES_GMAC from 
> rte_crypto_auth_algorithm and addition of RTE_CRYPTO_AEAD_AES_GMAC to 
> rte_crypto_aead_algorithm.
> AES-GMAC is variation of AES-GCM algorithm with the difference that it 
> does not perform encryption. As a matter of fact internally there is 
> no difference between GMAC and GCM except for the way how data is 
> passed.
> Moving GMAC to AEAD can simplify way of implementing this alogrithm 
> for example in IPsec (RFC4543).
> 
> Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
> ---
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> +* cryptodev: ``RTE_CRYPTO_AUTH_AES_GMAC`` will no longer be included 
> +in
> +  ``enum rte_crypto_auth_algorithm``. It will be included in
> +  ``enum rte_crypto_aead_algorithm`` as ``RTE_CRYPTO_AEAD_AES_GMAC``.

I wonder whether this move shows a problem in classification of the crypto algorithms.
[Arek] - it is not particularly bad that GMAC is auth algorithm, it really depends on lib (openssl PMD internally uses conformant approach I have suggested in other mail).
But from what I currently see GMAC as AEAD is preferred way, I think this subject may be back in future.
Anyway this proposal didn't meet its audience.
Because of the lack of ack (3 required), it cannot be accepted.



  reply	other threads:[~2020-08-31  6:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-05 15:15 Arek Kusztal
2020-08-07 21:49 ` Thomas Monjalon
2020-08-31  6:34   ` Kusztal, ArkadiuszX [this message]
2020-09-01  8:18     ` Thomas Monjalon
2020-09-01 10:57       ` Kusztal, ArkadiuszX

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