[dpdk-dev] [PATCH 2/3] crypto/qat: fix message for CCM when setting unused counter

Kusztal, ArkadiuszX arkadiuszx.kusztal at intel.com
Fri Dec 14 15:39:47 CET 2018


Hi Akhil,

> -----Original Message-----
> From: Akhil Goyal [mailto:akhil.goyal at nxp.com]
> Sent: Friday, December 14, 2018 3:23 PM
> To: Kusztal, ArkadiuszX <arkadiuszx.kusztal at intel.com>
> Cc: dev at dpdk.org; Trahe, Fiona <fiona.trahe at intel.com>; stable at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 2/3] crypto/qat: fix message for CCM when
> setting unused counter
> 
> 
> 
> On 12/13/2018 1:29 AM, Arek Kusztal wrote:
> > AES-CCM algo does not to set counter flag so it should be zeroed.
> >
> > Fixes: ab56c4d9ed9a ("crypto/qat: support AES-CCM")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
> > ---
> >   drivers/crypto/qat/qat_sym_session.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/crypto/qat/qat_sym_session.c
> b/drivers/crypto/qat/qat_sym_session.c
> > index 272177f..d8cc702 100644
> > --- a/drivers/crypto/qat/qat_sym_session.c
> > +++ b/drivers/crypto/qat/qat_sym_session.c
> > @@ -1488,6 +1488,7 @@ int
> qat_sym_session_aead_create_cd_auth(struct qat_sym_session *cdesc,
> >   		|| cdesc->qat_hash_alg ==
> ICP_QAT_HW_AUTH_ALGO_KASUMI_F9
> >   		|| cdesc->qat_hash_alg ==
> ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3
> >   		|| cdesc->qat_hash_alg ==
> ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC
> > +		|| cdesc->qat_hash_alg ==
> ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC
> >   			)
> >   		hash->auth_counter.counter = 0;
> >   	else {
> title and code change do not match.
> AES-CCM or AES-CBC??

CCM is AEAD mode where Counter for cipher and CBC-MAC for hash is used. Hence CBC-MAC for hash. Ref. RFC 3610, SP800-38C.

Thanks,
Arek


More information about the dev mailing list