Messages in this thread Patch in this message | | | From | Ross Philipson <> | Subject | [PATCH v3 05/14] x86: Secure Launch Kconfig | Date | Mon, 9 Aug 2021 12:38:47 -0400 |
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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> --- arch/x86/Kconfig | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 88fb922..b5e25c5 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1949,6 +1949,38 @@ config EFI_MIXED If unsure, say N. +config SECURE_LAUNCH + bool "Secure Launch support" + default n + depends on X86_64 && X86_X2APIC + 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. + +config SECURE_LAUNCH_ALT_PCR19 + bool "Secure Launch Alternate PCR 19 usage" + default n + depends on SECURE_LAUNCH + help + In the post ACM environment, Secure Launch by default measures + configuration information into PCR18. This feature allows finer + control over measurements by moving configuration measurements + into PCR19. + +config SECURE_LAUNCH_ALT_PCR20 + bool "Secure Launch Alternate PCR 20 usage" + default n + depends on SECURE_LAUNCH + help + In the post ACM environment, Secure Launch by default measures + image data like any external initrd into PCR17. This feature + allows finer control over measurements by moving image measurements + into PCR20. + source "kernel/Kconfig.hz" config KEXEC -- 1.8.3.1
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