Re: [PATCH 5/5] PM / hibernate: An option to request that snapshot image must be authenticated

[Randy Dunlap <rdunlap@infradead.org>]

Hi,

On 9/12/18 7:23 AM, Lee, Chun-Yi wrote:
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index 7c5c30149dbc..3c998fd6dc4c 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -90,6 +90,17 @@ config HIBERNATION_ENC_AUTH
>  	  master key of hibernation. The TPM trusted key depends on TPM. The
>  	  security of user defined key relies on user space.
>  
> +config HIBERNATION_ENC_AUTH_FORCE
> +	bool "Require hibernate snapshot image to be validly signed"
> +	depends on HIBERNATION_ENC_AUTH
> +	help
> +	  This option will prevent that a snapshot image without (valid)
> +	  signature be restored. Without this option, a unauthenticated

	                                              an

> +	  snapshot image can be restored but the restored kernel will be
> +	  tainted. Which also means that the hibernation can be triggered

s/Which/This/

or like this:
	  tainted, which also

> +	  without snapshot key but kernel will be tainted without this
> +	  option.
> +


-- 
~Randy