BlobVerifierLib will be used to verify blobs fetching them from QEMU's firmware config (fw_cfg) in platforms that enable such verification. The null implementation BlobVerifierLibNull treats all blobs as valid. Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Ashish Kalra <ashish.kalra@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Min Xu <min.m.xu@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3457 Signed-off-by: Dov Murik <dovmurik@linux.ibm.com> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
39 lines
965 B
C
39 lines
965 B
C
/** @file
|
|
|
|
Blob verification library
|
|
|
|
This library class allows verifiying whether blobs from external sources
|
|
(such as QEMU's firmware config) are trusted.
|
|
|
|
Copyright (C) 2021, IBM Corporation
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
**/
|
|
|
|
#ifndef BLOB_VERIFIER_LIB_H_
|
|
#define BLOB_VERIFIER_LIB_H_
|
|
|
|
#include <Uefi/UefiBaseType.h>
|
|
#include <Base.h>
|
|
|
|
/**
|
|
Verify blob from an external source.
|
|
|
|
@param[in] BlobName The name of the blob
|
|
@param[in] Buf The data of the blob
|
|
@param[in] BufSize The size of the blob in bytes
|
|
|
|
@retval EFI_SUCCESS The blob was verified successfully.
|
|
@retval EFI_ACCESS_DENIED The blob could not be verified, and therefore
|
|
should be considered non-secure.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VerifyBlob (
|
|
IN CONST CHAR16 *BlobName,
|
|
IN CONST VOID *Buf,
|
|
IN UINT32 BufSize
|
|
);
|
|
|
|
#endif
|