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-rw-r--r--poky/documentation/ref-manual/ref-classes.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/poky/documentation/ref-manual/ref-classes.rst b/poky/documentation/ref-manual/ref-classes.rst
index 60ce8efd2..b007e3482 100644
--- a/poky/documentation/ref-manual/ref-classes.rst
+++ b/poky/documentation/ref-manual/ref-classes.rst
@@ -1413,7 +1413,9 @@ variables :term:`UBOOT_SIGN_ENABLE`, :term:`UBOOT_MKIMAGE_DTCOPTS`,
:term:`UBOOT_SIGN_KEYDIR` and :term:`UBOOT_SIGN_KEYNAME` are set
appropriately. The default values used for :term:`FIT_HASH_ALG` and
:term:`FIT_SIGN_ALG` in ``kernel-fitimage`` are "sha256" and
-"rsa2048" respectively.
+"rsa2048" respectively. The keys for signing fitImage can be generated using
+the ``kernel-fitimage`` class when both :term:`FIT_GENERATE_KEYS` and
+:term:`UBOOT_SIGN_ENABLE` are set to "1".
.. _ref-classes-kernel-grub: