On Fri, Mar 04, 2022 at 12:54:00PM -0500, Nayna Jain wrote: > Some firmware support secure boot by embedding static keys to verify the > Linux kernel during boot. However, these firmware do not expose an > interface for the kernel to load firmware keys onto the ".platform" > keyring, preventing the kernel from verifying the kexec kernel image > signature. > > This patchset exports load_certificate_list() and defines a new function > load_builtin_platform_cert() to load compiled in certificates onto the > ".platform" keyring. > > Changelog: > v9: > * Rebased on tpmdd master branch repo - > git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git > > v8: > * Includes Jarkko's feedback on patch description and removed Reported-by > for Patch 1. > > v7: > * Incldues Jarkko's feedback on patch description for Patch 1 and 3. > > v6: > * Includes Jarkko's feedback: > * Split Patch 2 into two. > * Update Patch description. > > v5: > * Renamed load_builtin_platform_cert() to load_platform_certificate_list() > and config INTEGRITY_PLATFORM_BUILTIN_KEYS to INTEGRITY_PLATFORM_KEYS, as > suggested by Mimi Zohar. > > v4: > * Split into two patches as per Mimi Zohar and Dimitri John Ledkov > recommendation. > > v3: > * Included Jarkko's feedback > ** updated patch description to include approach. > ** removed extern for function declaration in the .h file. > * Included load_certificate_list() within #ifdef CONFIG_KEYS condition. > > v2: > * Fixed the error reported by kernel test robot > * Updated patch description based on Jarkko's feedback. > > Nayna Jain (3): > certs: export load_certificate_list() to be used outside certs/ > integrity: make integrity_keyring_from_id() non-static > integrity: support including firmware ".platform" keys at build time > > certs/Makefile | 5 ++-- > certs/blacklist.c | 1 - > certs/common.c | 2 +- > certs/common.h | 9 ------- > certs/system_keyring.c | 1 - > include/keys/system_keyring.h | 6 +++++ > security/integrity/Kconfig | 10 +++++++ > security/integrity/Makefile | 15 ++++++++++- > security/integrity/digsig.c | 2 +- > security/integrity/integrity.h | 6 +++++ > .../integrity/platform_certs/platform_cert.S | 23 ++++++++++++++++ > .../platform_certs/platform_keyring.c | 26 +++++++++++++++++++ > 12 files changed, 90 insertions(+), 16 deletions(-) > delete mode 100644 certs/common.h > create mode 100644 security/integrity/platform_certs/platform_cert.S > > > base-commit: c9e54f38976a1c0ec69c0a6208b3fd55fceb01d1 > -- > 2.27.0 Thank you, applied. BR, Jarkko
