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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b3dd8655-c394-ed62-1efc-8295a95bb7fb@infradead.org>
Date:   Wed, 12 Sep 2018 09:27:27 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "Lee, Chun-Yi" <joeyli.kernel@...il.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        "Lee, Chun-Yi" <jlee@...e.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Chen Yu <yu.c.chen@...el.com>,
        Oliver Neukum <oneukum@...e.com>,
        Ryan Chen <yu.chen.surf@...il.com>,
        David Howells <dhowells@...hat.com>,
        Giovanni Gherdovich <ggherdovich@...e.cz>
Subject: Re: [PATCH 1/5] PM / hibernate: Create snapshot keys handler

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