From: James Bottomley <James.Bottomley@HansenPartnership.com> To: linux-integrity@vger.kernel.org Cc: Mimi Zohar <zohar@linux.ibm.com>, Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, David Woodhouse <dwmw2@infradead.org>, keyrings@vger.kernel.org, David Howells <dhowells@redhat.com> Subject: [PATCH v13 0/5] TPM 2.0 trusted key rework Date: Tue, 22 Sep 2020 02:28:04 +0000 [thread overview] Message-ID: <20200922022809.7105-1-James.Bottomley@HansenPartnership.com> (raw) Updated to fix compile problem identified by 0day General cover letter minus policy bit: This patch updates the trusted key code to export keys in the ASN.1 format used by current TPM key tools (openssl_tpm2_engine and openconnect). The current code will try to load keys containing policy, but being unable to formulate the policy commands necessary to load them, the unseal will always fail unless the policy is executed in user space and a pre-formed policy session passed in. The key format is designed to be compatible with our two openssl engine implementations as well as with the format used by openconnect. I've added seal/unseal to my engine so I can use it for interoperability testing and I'll later use this for sealed symmetric keys via engine: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/openssl_tpm2_engine.git/ James --- James Bottomley (5): lib: add ASN.1 encoder oid_registry: Add TCG defined OIDS for TPM keys security: keys: trusted: fix TPM2 authorizations security: keys: trusted: use ASN.1 TPM2 key format for the blobs security: keys: trusted: Make sealed key properly interoperable .../security/keys/trusted-encrypted.rst | 58 +++ include/keys/trusted-type.h | 2 + include/linux/asn1_encoder.h | 32 ++ include/linux/oid_registry.h | 5 + include/linux/tpm.h | 2 + lib/Kconfig | 3 + lib/Makefile | 1 + lib/asn1_encoder.c | 454 ++++++++++++++++++ security/keys/Kconfig | 2 + security/keys/trusted-keys/Makefile | 4 +- security/keys/trusted-keys/tpm2key.asn1 | 11 + security/keys/trusted-keys/trusted_tpm1.c | 34 +- security/keys/trusted-keys/trusted_tpm2.c | 266 +++++++++- 13 files changed, 843 insertions(+), 31 deletions(-) create mode 100644 include/linux/asn1_encoder.h create mode 100644 lib/asn1_encoder.c create mode 100644 security/keys/trusted-keys/tpm2key.asn1 -- 2.26.2
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From: James Bottomley <James.Bottomley@HansenPartnership.com> To: linux-integrity@vger.kernel.org Cc: Mimi Zohar <zohar@linux.ibm.com>, Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, David Woodhouse <dwmw2@infradead.org>, keyrings@vger.kernel.org, David Howells <dhowells@redhat.com> Subject: [PATCH v13 0/5] TPM 2.0 trusted key rework Date: Mon, 21 Sep 2020 19:28:04 -0700 [thread overview] Message-ID: <20200922022809.7105-1-James.Bottomley@HansenPartnership.com> (raw) Updated to fix compile problem identified by 0day General cover letter minus policy bit: This patch updates the trusted key code to export keys in the ASN.1 format used by current TPM key tools (openssl_tpm2_engine and openconnect). The current code will try to load keys containing policy, but being unable to formulate the policy commands necessary to load them, the unseal will always fail unless the policy is executed in user space and a pre-formed policy session passed in. The key format is designed to be compatible with our two openssl engine implementations as well as with the format used by openconnect. I've added seal/unseal to my engine so I can use it for interoperability testing and I'll later use this for sealed symmetric keys via engine: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/openssl_tpm2_engine.git/ James --- James Bottomley (5): lib: add ASN.1 encoder oid_registry: Add TCG defined OIDS for TPM keys security: keys: trusted: fix TPM2 authorizations security: keys: trusted: use ASN.1 TPM2 key format for the blobs security: keys: trusted: Make sealed key properly interoperable .../security/keys/trusted-encrypted.rst | 58 +++ include/keys/trusted-type.h | 2 + include/linux/asn1_encoder.h | 32 ++ include/linux/oid_registry.h | 5 + include/linux/tpm.h | 2 + lib/Kconfig | 3 + lib/Makefile | 1 + lib/asn1_encoder.c | 454 ++++++++++++++++++ security/keys/Kconfig | 2 + security/keys/trusted-keys/Makefile | 4 +- security/keys/trusted-keys/tpm2key.asn1 | 11 + security/keys/trusted-keys/trusted_tpm1.c | 34 +- security/keys/trusted-keys/trusted_tpm2.c | 266 +++++++++- 13 files changed, 843 insertions(+), 31 deletions(-) create mode 100644 include/linux/asn1_encoder.h create mode 100644 lib/asn1_encoder.c create mode 100644 security/keys/trusted-keys/tpm2key.asn1 -- 2.26.2
next reply other threads:[~2020-09-22 2:28 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-22 2:28 James Bottomley [this message] 2020-09-22 2:28 ` [PATCH v13 0/5] TPM 2.0 trusted key rework James Bottomley 2020-09-22 2:28 ` [PATCH v13 1/5] lib: add ASN.1 encoder James Bottomley 2020-09-22 2:28 ` James Bottomley 2020-09-22 2:28 ` [PATCH v13 2/5] oid_registry: Add TCG defined OIDS for TPM keys James Bottomley 2020-09-22 2:28 ` James Bottomley 2020-09-22 2:28 ` [PATCH v13 3/5] security: keys: trusted: fix TPM2 authorizations James Bottomley 2020-09-22 2:28 ` James Bottomley 2020-09-25 7:28 ` Jarkko Sakkinen 2020-09-25 7:28 ` Jarkko Sakkinen 2020-09-25 17:39 ` James Bottomley 2020-09-25 17:39 ` James Bottomley 2020-09-27 23:48 ` Jarkko Sakkinen 2020-09-27 23:48 ` Jarkko Sakkinen 2020-09-30 11:02 ` Jarkko Sakkinen 2020-09-30 11:02 ` Jarkko Sakkinen 2020-09-22 2:28 ` [PATCH v13 4/5] security: keys: trusted: use ASN.1 TPM2 key format for the blobs James Bottomley 2020-09-22 2:28 ` James Bottomley 2020-09-26 11:33 ` kernel test robot 2020-09-26 11:33 ` kernel test robot 2020-09-26 11:33 ` kernel test robot 2020-09-30 11:11 ` Jarkko Sakkinen 2020-09-30 11:11 ` Jarkko Sakkinen 2020-09-30 14:49 ` James Bottomley 2020-09-30 14:49 ` James Bottomley 2020-09-30 15:35 ` Jarkko Sakkinen 2020-09-30 15:35 ` Jarkko Sakkinen 2020-09-22 2:28 ` [PATCH v13 5/5] security: keys: trusted: Make sealed key properly interoperable James Bottomley 2020-09-22 2:28 ` James Bottomley 2020-09-30 11:24 ` Jarkko Sakkinen 2020-09-30 11:24 ` Jarkko Sakkinen 2020-09-30 3:43 ` [PATCH v13 0/5] TPM 2.0 trusted key rework Jarkko Sakkinen 2020-09-30 3:43 ` Jarkko Sakkinen
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