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Thu, 6 Oct 2022 12:03:01 +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 2/8] keys-trusted: new cmd line option added Date: Thu, 6 Oct 2022 18:38:31 +0530 Message-Id: <20221006130837.17587-3-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_|VI1PR04MB7008:EE_ X-MS-Office365-Filtering-Correlation-Id: eafea71b-4dd8-47b3-44c2-08daa792b743 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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@@ -29,6 +31,8 @@ struct trusted_key_payload { unsigned int blob_len; unsigned char migratable; unsigned char old_format; + unsigned char is_hw_bound; + struct hw_bound_key_info hbk_info; unsigned char key[MAX_KEY_SIZE + 1]; unsigned char blob[MAX_BLOB_SIZE]; }; diff --git a/security/keys/trusted-keys/trusted_core.c b/security/keys/trusted-keys/trusted_core.c index c6fc50d67214..cb1d56397ed0 100644 --- a/security/keys/trusted-keys/trusted_core.c +++ b/security/keys/trusted-keys/trusted_core.c @@ -79,6 +79,8 @@ static int datablob_parse(char **datablob, struct trusted_key_payload *p) int key_cmd; char *c; + p->is_hw_bound = !HW_BOUND_KEY; + /* main command */ c = strsep(datablob, " \t"); if (!c) @@ -94,6 +96,13 @@ static int datablob_parse(char **datablob, struct trusted_key_payload *p) if (ret < 0 || keylen < MIN_KEY_SIZE || keylen > MAX_KEY_SIZE) return -EINVAL; p->key_len = keylen; + do { + /* Second argument onwards, + * determine if tied to HW */ + c = strsep(datablob, " \t"); + if ((c != NULL) && (strcmp(c, "hw") == 0)) + p->is_hw_bound = HW_BOUND_KEY; + } while (c != NULL); ret = Opt_new; break; case Opt_load: @@ -107,6 +116,13 @@ static int datablob_parse(char **datablob, struct trusted_key_payload *p) ret = hex2bin(p->blob, c, p->blob_len); if (ret < 0) return -EINVAL; + do { + /* Second argument onwards, + * determine if tied to HW */ + c = strsep(datablob, " \t"); + if ((c != NULL) && (strcmp(c, "hw") == 0)) + p->is_hw_bound = HW_BOUND_KEY; + } while (c != NULL); ret = Opt_load; break; case Opt_update: