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

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