tree 2f4b10b186e186bd70be5fea18c8423334ab831d
parent 38d859f991f3a05b352a06f82af0baa1acf33e02
author Petko Manolov <petkan@mip-labs.com> 1449071275 +0200
committer Mimi Zohar <zohar@linux.vnet.ibm.com> 1450191703 -0500

IMA: create machine owner and blacklist keyrings

This option creates IMA MOK and blacklist keyrings.  IMA MOK is an
intermediate keyring that sits between .system and .ima keyrings,
effectively forming a simple CA hierarchy.  To successfully import a key
into .ima_mok it must be signed by a key which CA is in .system keyring.
On turn any key that needs to go in .ima keyring must be signed by CA in
either .system or .ima_mok keyrings. IMA MOK is empty at kernel boot.

IMA blacklist keyring contains all revoked IMA keys.  It is consulted
before any other keyring.  If the search is successful the requested
operation is rejected and error is returned to the caller.

Signed-off-by: Petko Manolov <petkan@mip-labs.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>