From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arek Kusztal Subject: [PATCH 1/3] crypto/aesni_gcm: fix J0 padding bytes for GCM Date: Fri, 23 Dec 2016 08:10:37 +0000 Message-ID: <1482480639-26935-2-git-send-email-arkadiuszx.kusztal@intel.com> References: <1482480639-26935-1-git-send-email-arkadiuszx.kusztal@intel.com> Cc: fiona.trahe@intel.com, pablo.de.lara.guarch@intel.com, john.griffin@intel.com, deepak.k.jain@intel.com, declan.doherty@intel.com, Arek Kusztal To: dev@dpdk.org Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id BF7D810DF2 for ; Fri, 23 Dec 2016 09:10:44 +0100 (CET) In-Reply-To: <1482480639-26935-1-git-send-email-arkadiuszx.kusztal@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This commit fixes pre-counter block (J0) padding by clearing four most significant bytes before setting initial counter value. Fixes: b2bb3597470c ("crypto/aesni_gcm: move pre-counter block to driver") Signed-off-by: Arek Kusztal --- drivers/crypto/aesni_gcm/aesni_gcm_pmd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c index dba5e15..af3d60f 100644 --- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c +++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "aesni_gcm_pmd_private.h" @@ -241,7 +242,8 @@ process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_sym_op *op, * to set BE LSB to 1, driver expects that 16B is allocated */ if (op->cipher.iv.length == 12) { - op->cipher.iv.data[15] = 1; + uint32_t *iv_padd = (uint32_t *)&op->cipher.iv.data[12]; + *iv_padd = rte_bswap32(1); } if (op->auth.aad.length != 12 && op->auth.aad.length != 8 && -- 2.1.0