Add the new section for Secure Boot. Signed-off-by: Alexander Goncharov <c...@joursoir.net> --- OvmfPkg/README | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)
diff --git a/OvmfPkg/README b/OvmfPkg/README index 0a408abf01..e106e19818 100644 --- a/OvmfPkg/README +++ b/OvmfPkg/README @@ -120,6 +120,42 @@ $ OvmfPkg/build.sh -a X64 qemu -cdrom /path/to/disk-image.iso To build a 32-bit OVMF without debug messages using GCC 4.8: $ OvmfPkg/build.sh -a IA32 -b RELEASE -t GCC48 +=== Secure Boot === + +Secure Boot is a security feature that ensures only trusted and digitally +signed software is allowed to run during the boot process. + +* In order to support Secure Boot, OVMF must be built with the + "-D SECURE_BOOT_ENABLE" option. + +* By default, OVMF is not shipped with any SecureBoot keys installed. The user + need to install them with "Secure Boot Configuration" utility in the firmware + UI, or enroll the default UEFI keys using the OvmfPkg/EnrollDefaultKeys app. + + For the EnrollDefaultKeys application, the hypervisor is expected to add a + string entry to the "OEM Strings" (Type 11) SMBIOS table. The string should + have the following format: + + 4e32566d-8e9e-4f52-81d3-5bb9715f9727:<Base64 X509 cert for PK and first KEK> + + Such string can be generated with the following script, for example: + + sed \ + -e 's/^-----BEGIN CERTIFICATE-----$/4e32566d-8e9e-4f52-81d3-5bb9715f9727:/' \ + -e '/^-----END CERTIFICATE-----$/d' \ + PkKek1.pem \ + | tr -d '\n' \ + > PkKek1.oemstr + + - Using QEMU 5.2 or later, the SMBIOS type 11 field can be specified from a + file: + + -smbios type=11,path=PkKek1.oemstr \ + + - Using QEMU 5.1 or earlier, the string has to be passed as a value: + + -smbios type=11,value="$(< PkKek1.oemstr)" + === SMM support === Requirements: -- 2.40.1 -- Joursoir -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#105718): https://edk2.groups.io/g/devel/message/105718 Mute This Topic: https://groups.io/mt/99337916/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
