On 9/24/20 10:08 PM, Randy Dunlap wrote:
> 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
>
> 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.
Ok sorry about that. I probably just copied what the previous entry was
doing. Will fix.
Thanks
Ross
>
>> ---
>> 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.
>
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