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CONFIG_EFI_SECRET: EFI secret area securityfs support

General informations

The Linux kernel configuration item CONFIG_EFI_SECRET:

Help text

This is a driver for accessing the EFI secret area via securityfs. The EFI secret area is a memory area designated by the firmware for confidential computing secret injection (for example for AMD SEV guests). The driver exposes the secrets as files in <securityfs>/secrets/coco. Files can be read and deleted (deleting a file wipes the secret from memory).

To compile this driver as a module, choose M here. The module will be called efi_secret.



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