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SubjectRe: [PATCH 01/13] x86: Secure Launch Kconfig
From
Date
On 9/24/20 7:58 AM, Ross Philipson wrote:
> Initial bits to bring in Secure Launch functionality. Add Kconfig
> options for compiling in/out the Secure Launch code.
>
> Signed-off-by: Ross Philipson <ross.philipson@oracle.com>

Hi,
from Documentation/process/coding-style.rst:

Lines under a ``config`` definition
are indented with one tab, while help text is indented an additional two
spaces.

> ---
> arch/x86/Kconfig | 36 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 7101ac6..8957981 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1968,6 +1968,42 @@ config EFI_MIXED
>
> If unsure, say N.
>
> +config SECURE_LAUNCH
> + bool "Secure Launch support"
> + default n
> + depends on X86_64
> + help
> + The Secure Launch feature allows a kernel to be loaded
> + directly through an Intel TXT measured launch. Intel TXT
> + establishes a Dynamic Root of Trust for Measurement (DRTM)
> + where the CPU measures the kernel image. This feature then
> + continues the measurement chain over kernel configuration
> + information and init images.
> +
> +choice
> + prompt "Select Secure Launch Algorithm for TPM2"
> + depends on SECURE_LAUNCH
> +
> +config SECURE_LAUNCH_SHA1
> + bool "Secure Launch TPM1 SHA1"
> + help
> + When using Secure Launch and TPM1 is present, use SHA1 hash
> + algorithm for measurements.
> +
> +config SECURE_LAUNCH_SHA256
> + bool "Secure Launch TPM2 SHA256"
> + help
> + When using Secure Launch and TPM2 is present, use SHA256 hash
> + algorithm for measurements.
> +
> +config SECURE_LAUNCH_SHA512
> + bool "Secure Launch TPM2 SHA512"
> + help
> + When using Secure Launch and TPM2 is present, use SHA512 hash
> + algorithm for measurements.
> +
> +endchoice
> +


thanks.
--
~Randy

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