Re: [PATCH 1/5] PM / hibernate: Create snapshot keys handler

[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 3a6c2f87699e..7c5c30149dbc 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -76,6 +76,20 @@ config HIBERNATION
>  
>  	  For more information take a look at <file:Documentation/power/swsusp.txt>.
>  
> +config HIBERNATION_ENC_AUTH
> + 	bool "Hibernation encryption and authentication"
> + 	depends on HIBERNATION
> + 	depends on TRUSTED_KEYS
> +	select CRYPTO_AES
> + 	select CRYPTO_HMAC
> + 	select CRYPTO_SHA512
> + 	help
> +	  This option will encrypt and authenticate the memory snapshot image
> +	  of hibernation. It prevents that the snapshot image be arbitrary

	                                                         arbitrarily

> +	  modified. User can use TPMs trusted key or user defined key as the

	            The user
or	            A user can use the TPM's trusted key

> +	  master key of hibernation. The TPM trusted key depends on TPM. The
> +	  security of user defined key relies on user space.
> +


-- 
~Randy