OvmfPkg/Include/Library/BlobVerifierLib.h

   1 /** @file
   2
   3   Blob verification library
   4
   5   This library class allows verifiying whether blobs from external sources
   6   (such as QEMU's firmware config) are trusted.
   7
   8   Copyright (C) 2021, IBM Corporation
   9
  10   SPDX-License-Identifier: BSD-2-Clause-Patent
  11 **/
  12
  13 #ifndef BLOB_VERIFIER_LIB_H_
  14 #define BLOB_VERIFIER_LIB_H_
  15
  16 #include <Uefi/UefiBaseType.h>
  17 #include <Base.h>
  18
  19 /**
  20   Verify blob from an external source.
  21
  22   @param[in] BlobName           The name of the blob
  23   @param[in] Buf                The data of the blob
  24   @param[in] BufSize            The size of the blob in bytes
  25
  26   @retval EFI_SUCCESS           The blob was verified successfully.
  27   @retval EFI_ACCESS_DENIED     The blob could not be verified, and therefore
  28                                 should be considered non-secure.
  29 **/
  30 EFI_STATUS
  31 EFIAPI
  32 VerifyBlob (
  33   IN  CONST CHAR16  *BlobName,
  34   IN  CONST VOID    *Buf,
  35   IN  UINT32        BufSize
  36   );
  37
  38 #endif