Changes in v6: Address comments from Milan Broz and Eric Biggers on v5. -Keep the verification code under config DM_VERITY_VERIFY_ROOTHASH_SIG. -Change the command line parameter to requires_signatures(bool) which will force root hash to be signed and trusted if specified. -Fix the signature not being present in verity_status. Merged the https://git.kernel.org/pub/scm/linux/kernel/git/mbroz/linux.git/commit/?h=dm-cryptsetup&id=a26c10806f5257e255b6a436713127e762935ad3 made by Milan Broz and tested it. Jaskaran Khurana (1): Add dm verity root hash pkcs7 sig validation. Documentation/device-mapper/verity.txt | 7 ++ drivers/md/Kconfig | 12 +++ drivers/md/Makefile | 5 + drivers/md/dm-verity-target.c | 43 +++++++- drivers/md/dm-verity-verify-sig.c | 133 +++++++++++++++++++++++++ drivers/md/dm-verity-verify-sig.h | 60 +++++++++++ drivers/md/dm-verity.h | 2 + 7 files changed, 257 insertions(+), 5 deletions(-) create mode 100644 drivers/md/dm-verity-verify-sig.c create mode 100644 drivers/md/dm-verity-verify-sig.h -- 2.17.1
