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 <ross.philipson@xxxxxxxxxx> > > 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. >
