| Message ID | 1600959521-24158-2-git-send-email-ross.philipson@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | x86: Trenchboot secure dynamic launch Linux kernel support | expand |
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.
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@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. 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. >
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 + config SECCOMP def_bool y prompt "Enable seccomp to safely compute untrusted bytecode"
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 | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)