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Thu, 6 Oct 2022 12:03:47 +0000 From: Pankaj Gupta To: jarkko@kernel.org, a.fatoum@pengutronix.de, gilad@benyossef.com, Jason@zx2c4.com, jejb@linux.ibm.com, zohar@linux.ibm.com, dhowells@redhat.com, sumit.garg@linaro.org, david@sigma-star.at, michael@walle.cc, john.ernberg@actia.se, jmorris@namei.org, serge@hallyn.com, herbert@gondor.apana.org.au, davem@davemloft.net, j.luebbe@pengutronix.de, ebiggers@kernel.org, richard@nod.at, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, sahil.malhotra@nxp.com, kshitiz.varshney@nxp.com, horia.geanta@nxp.com, V.Sethi@nxp.com Cc: Pankaj Gupta Subject: [PATCH v0 8/8] dm-crypt: consumer-app setting the flag-is_hbk Date: Thu, 6 Oct 2022 18:38:37 +0530 Message-Id: <20221006130837.17587-9-pankaj.gupta@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221006130837.17587-1-pankaj.gupta@nxp.com> References: <20221006130837.17587-1-pankaj.gupta@nxp.com> X-ClientProxiedBy: SI1PR02CA0011.apcprd02.prod.outlook.com (2603:1096:4:1f7::19) To DU2PR04MB8630.eurprd04.prod.outlook.com (2603:10a6:10:2dd::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PR04MB8630:EE_|AS8PR04MB8245:EE_ X-MS-Office365-Filtering-Correlation-Id: 85020fc1-a3f5-41d3-4e90-08daa792d30e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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-- tfm hbk_info, if cc->is_hbk, is non-zero. Note: HBK Supported for symmetric-key ciphers only. Signed-off-by: Pankaj Gupta --- drivers/md/dm-crypt.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 159c6806c19b..d28c4af2904e 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -221,6 +221,8 @@ struct crypt_config { struct mutex bio_alloc_lock; u8 *authenc_key; /* space for keys in authenc() format (if used) */ + unsigned int is_hbk; + struct hw_bound_key_info hbk_info; u8 key[]; }; @@ -2397,10 +2399,16 @@ static int crypt_setkey(struct crypt_config *cc) r = crypto_aead_setkey(cc->cipher_tfm.tfms_aead[i], cc->key + (i * subkey_size), subkey_size); - else + else { + cc->cipher_tfm.tfms[i]->base.is_hbk = cc->is_hbk; + if (cc->is_hbk) + memcpy(&(cc->cipher_tfm.tfms[i]->base.hbk_info), + &(cc->hbk_info), + sizeof(struct hw_bound_key_info)); r = crypto_skcipher_setkey(cc->cipher_tfm.tfms[i], cc->key + (i * subkey_size), subkey_size); + } if (r) err = r; } @@ -2461,9 +2469,11 @@ static int set_key_trusted(struct crypt_config *cc, struct key *key) if (!tkp) return -EKEYREVOKED; + cc->is_hbk = tkp->is_hw_bound; if (cc->key_size != tkp->key_len) return -EINVAL; + memcpy(&(cc->hbk_info), &(tkp->hbk_info), sizeof(struct hw_bound_key_info)); memcpy(cc->key, tkp->key, cc->key_size); return 0;