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Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] crypto: starfive - Align rsa input data to 32-bit Date: Wed, 26 Jun 2024 09:40:42 +0800 Message-ID: <20240626014043.1194521-2-jiajie.ho@starfivetech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240626014043.1194521-1-jiajie.ho@starfivetech.com> References: <20240626014043.1194521-1-jiajie.ho@starfivetech.com> X-ClientProxiedBy: SHXPR01CA0022.CHNPR01.prod.partner.outlook.cn (2406:e500:c311:1b::31) To NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn (2406:e500:c510:10::10) Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: NT0PR01MB1182:EE_|NT0PR01MB1150:EE_ X-MS-Office365-Filtering-Correlation-Id: da5207ab-0e80-4c2c-765f-08dc958103c4 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; ARA:13230038|1800799022|41320700011|52116012|366014|38350700012; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn; PTR:; CAT:NONE; SFS:(13230038)(1800799022)(41320700011)(52116012)(366014)(38350700012); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: da5207ab-0e80-4c2c-765f-08dc958103c4 X-MS-Exchange-CrossTenant-AuthSource: NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jun 2024 01:40:52.7893 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: hA9oodCLX9P2MogEUb90k8BiTSP6uS3O3NMsy1jPklIIvm/O0yO+jdBXHP/zHKtnRTi6eupusdAskRVSfV5nbgZyfkEkKqjnP3PNzjHOMrc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: NT0PR01MB1150 Hardware expects RSA input plain/ciphertext to be 32-bit aligned. Set fixed length for preallocated buffer to the maximum supported keysize of the hardware and shift input text accordingly. Signed-off-by: Jia Jie Ho --- drivers/crypto/starfive/jh7110-cryp.h | 3 ++- drivers/crypto/starfive/jh7110-rsa.c | 12 ++++++++---- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h index 494a74f52706..85c65c6c0327 100644 --- a/drivers/crypto/starfive/jh7110-cryp.h +++ b/drivers/crypto/starfive/jh7110-cryp.h @@ -30,6 +30,7 @@ #define MAX_KEY_SIZE SHA512_BLOCK_SIZE #define STARFIVE_AES_IV_LEN AES_BLOCK_SIZE #define STARFIVE_AES_CTR_LEN AES_BLOCK_SIZE +#define STARFIVE_RSA_MAX_KEYSZ 256 union starfive_aes_csr { u32 v; @@ -222,7 +223,7 @@ struct starfive_cryp_request_ctx { unsigned int digsize; unsigned long in_sg_len; unsigned char *adata; - u8 rsa_data[] __aligned(sizeof(u32)); + u8 rsa_data[STARFIVE_RSA_MAX_KEYSZ] __aligned(sizeof(u32)); }; struct starfive_cryp_dev *starfive_cryp_find_dev(struct starfive_cryp_ctx *ctx); diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c index 33093ba4b13a..59f5979e9360 100644 --- a/drivers/crypto/starfive/jh7110-rsa.c +++ b/drivers/crypto/starfive/jh7110-rsa.c @@ -31,7 +31,6 @@ /* A * A * R mod N ==> A */ #define CRYPTO_CMD_AARN 0x7 -#define STARFIVE_RSA_MAX_KEYSZ 256 #define STARFIVE_RSA_RESET 0x2 static inline int starfive_pka_wait_done(struct starfive_cryp_ctx *ctx) @@ -74,7 +73,7 @@ static int starfive_rsa_montgomery_form(struct starfive_cryp_ctx *ctx, { struct starfive_cryp_dev *cryp = ctx->cryp; 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Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/2] crypto: starfive - Fix nent assignment in rsa dec Date: Wed, 26 Jun 2024 09:40:43 +0800 Message-ID: <20240626014043.1194521-3-jiajie.ho@starfivetech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240626014043.1194521-1-jiajie.ho@starfivetech.com> References: <20240626014043.1194521-1-jiajie.ho@starfivetech.com> X-ClientProxiedBy: SHXPR01CA0022.CHNPR01.prod.partner.outlook.cn (2406:e500:c311:1b::31) To NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn (2406:e500:c510:10::10) Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: NT0PR01MB1182:EE_|NT0PR01MB1150:EE_ X-MS-Office365-Filtering-Correlation-Id: 8d3e65fb-17be-4297-7186-08dc95810447 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; ARA:13230038|1800799022|41320700011|52116012|366014|38350700012; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn; PTR:; CAT:NONE; SFS:(13230038)(1800799022)(41320700011)(52116012)(366014)(38350700012); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8d3e65fb-17be-4297-7186-08dc95810447 X-MS-Exchange-CrossTenant-AuthSource: NT0PR01MB1182.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jun 2024 01:40:53.6266 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: OP0+m3TANgzYgisGXvOzHDvT205ZVtrr8PY6TkN6FWavRJ5Nr/y/uLsl1Sgf9ZKSznZCPhVhUNSGiEL0PN3h9DmFPK5eM3ny+ond20EuzjE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: NT0PR01MB1150 Missing src scatterlist nent assignment in rsa decrypt function. Removing all unneeded assignment and use nents value from req->src instead. Signed-off-by: Jia Jie Ho --- drivers/crypto/starfive/jh7110-cryp.h | 1 - drivers/crypto/starfive/jh7110-rsa.c | 3 +-- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h index 85c65c6c0327..5ed4ba5da7f9 100644 --- a/drivers/crypto/starfive/jh7110-cryp.h +++ b/drivers/crypto/starfive/jh7110-cryp.h @@ -218,7 +218,6 @@ struct starfive_cryp_request_ctx { struct scatterlist *out_sg; struct ahash_request ahash_fbk_req; size_t total; - size_t nents; unsigned int blksize; unsigned int digsize; unsigned long in_sg_len; diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c index 59f5979e9360..a778c4846025 100644 --- a/drivers/crypto/starfive/jh7110-rsa.c +++ b/drivers/crypto/starfive/jh7110-rsa.c @@ -259,7 +259,7 @@ static int starfive_rsa_enc_core(struct starfive_cryp_ctx *ctx, int enc) memset(rctx->rsa_data, 0, shift); } - rctx->total = sg_copy_to_buffer(rctx->in_sg, rctx->nents, + rctx->total = sg_copy_to_buffer(rctx->in_sg, sg_nents(rctx->in_sg), rctx->rsa_data + shift, rctx->total); if (enc) { @@ -309,7 +309,6 @@ static int starfive_rsa_enc(struct akcipher_request *req) rctx->in_sg = req->src; rctx->out_sg = req->dst; rctx->total = req->src_len; - rctx->nents = sg_nents(rctx->in_sg); ctx->rctx = rctx; return starfive_rsa_enc_core(ctx, 1);