On Wed, Jan 27, 2021 at 11:06:12AM -0800, James Bottomley wrote: > v15: fix 0day sign issue and add reviews and testeds > > 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 AFAIK, bug fixes should merged before functional changes and migratable flag has a regression: https://marc.info/?l=linux-integrity&m=160255753405345 I'll send an update to this series. /Jarkko > > .../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 | 3 + > 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 | 269 ++++++++++- > 13 files changed, 846 insertions(+), 32 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 > >
