diff options
Diffstat (limited to 'src/security/vboot/common.c')
| -rw-r--r-- | src/security/vboot/common.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/security/vboot/common.c b/src/security/vboot/common.c index 7f1aee1820..17039330a6 100644 --- a/src/security/vboot/common.c +++ b/src/security/vboot/common.c @@ -63,8 +63,16 @@ int vboot_locate_firmware(struct vb2_context *ctx, struct region_device *fw) if (ret) return ret; - /* Truncate area to the size that was actually signed by vboot. */ - return rdev_chain(fw, fw, 0, vb2api_get_firmware_size(ctx)); + /* + * Truncate area to the size that was actually signed by vboot. + * It is only required for old verification mechanism calculating full body hash. + * New verification mechanism uses signature with zero data size, so truncation + * is not possible. + */ + if (!CONFIG(VBOOT_CBFS_INTEGRATION)) + return rdev_chain(fw, fw, 0, vb2api_get_firmware_size(ctx)); + + return 0; } static void vboot_setup_cbmem(int unused) |