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- # SPDX-License-Identifier: GPL-2.0-only
- config EFI_SECRET
- tristate "EFI secret area securityfs support"
- depends on EFI && X86_64
- select EFI_COCO_SECRET
- select SECURITYFS
- help
- 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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