Messages in this thread | | | Subject | Re: [PATCH v12 00/11] Appended signatures support for IMA appraisal | From | Jordan Hand <> | Date | Mon, 26 Aug 2019 15:46:57 -0700 |
| |
On 6/27/19 7:19 PM, Thiago Jung Bauermann wrote: > On the OpenPOWER platform, secure boot and trusted boot are being > implemented using IMA for taking measurements and verifying signatures. > Since the kernel image on Power servers is an ELF binary, kernels are > signed using the scripts/sign-file tool and thus use the same signature > format as signed kernel modules. > > This patch series adds support in IMA for verifying those signatures. > It adds flexibility to OpenPOWER secure boot, because it allows it to boot > kernels with the signature appended to them as well as kernels where the > signature is stored in the IMA extended attribute.
I know this is pretty late, but I just wanted to let you know that I tested this patch set on x86_64 with QEMU.
That is, I enrolled a key to _ima keyring, signed my kernel and modules with appended signatures (with scripts/sign-file), set the IMA policy to appraise and measure my kernel and modules. Also tested kexec appraisal.
You can add my tested-by if you'd like.
-Jordan
| |