Provide keyring for platform/firmware trusted keys
configname: CONFIG_INTEGRITY_PLATFORM_KEYRING
Linux Kernel Configuration
└─>Security options
└─>Provide keyring for platform/firmware trusted keys
In linux kernel since version 5 (release Date: 2019-03-03)
Provide a separate, distinct keyring for platform trusted keys, which
the kernel automatically populates during initialization from values
provided by the platform for verifying the kexec'ed kerned image
and, possibly, the initramfs signature.
the kernel automatically populates during initialization from values
provided by the platform for verifying the kexec'ed kerned image
and, possibly, the initramfs signature.