Perform AHAB signing process without altering the original file.
https://jira.digi.com/browse/DEL-7024
Signed-off-by: Gonzalo Ruiz <Gonzalo.Ruiz@digi.com>
LINUX_ARM64 images include the padding length in the size property of
their header, so for these images read the header size property instead
of calculating it with 'stat'.
https://jira.digi.com/browse/DEL-7024
Signed-off-by: Gonzalo Ruiz <Gonzalo.Ruiz@digi.com>
If CONFIG_SIGN_MODE is unset, we were assuming the sign mode to be AHAB
whereas it is preferable to abort the signing process and notify with an
error message.
https://jira.digi.com/browse/DEL-7024
Signed-off-by: Gonzalo Ruiz <Gonzalo.Ruiz@digi.com>
The signing script is used for signing multiple artifacts, not just the
kernel, so rename it for a broader use.
https://jira.digi.com/browse/DEL-7047
Signed-off-by: Gonzalo Ruiz <Gonzalo.Ruiz@digi.com>