OvmfPkg: Add section of memory to use for PEI on S3 resume

[mirror_edk2.git] / SecurityPkg / Library / HashLibBaseCryptoRouter / HashLibBaseCryptoRouterCommon.c

/** @file\r
  Ihis is BaseCrypto router support function.\r
\r
Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/Tpm2CommandLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/HashLib.h>\r
#include <Protocol/TrEEProtocol.h>\r
\r
typedef struct {\r
  EFI_GUID  Guid;\r
  UINT32    Mask;\r
} TPM2_HASH_MASK;\r
\r
TPM2_HASH_MASK mTpm2HashMask[] = {\r
  {HASH_ALGORITHM_SHA1_GUID,         TREE_BOOT_HASH_ALG_SHA1},\r
  {HASH_ALGORITHM_SHA256_GUID,       TREE_BOOT_HASH_ALG_SHA256},\r
  {HASH_ALGORITHM_SHA384_GUID,       TREE_BOOT_HASH_ALG_SHA384},\r
  {HASH_ALGORITHM_SHA512_GUID,       TREE_BOOT_HASH_ALG_SHA512},\r
};\r
\r
/**\r
  The function get hash mask info from algorithm.\r
\r
  @param HashGuid Hash Guid\r
\r
  @return HashMask\r
**/\r
UINT32\r
EFIAPI\r
Tpm2GetHashMaskFromAlgo (\r
  IN EFI_GUID  *HashGuid\r
  )\r
{\r
  UINTN  Index;\r
  for (Index = 0; Index < sizeof(mTpm2HashMask)/sizeof(mTpm2HashMask[0]); Index++) {\r
    if (CompareGuid (HashGuid, &mTpm2HashMask[Index].Guid)) {\r
      return mTpm2HashMask[Index].Mask;\r
    }\r
  }\r
  return 0;\r
}\r
\r
/**\r
  The function set digest to digest list.\r
\r
  @param DigestList digest list\r
  @param Digest     digest data\r
**/\r
VOID\r
EFIAPI\r
Tpm2SetHashToDigestList (\r
  IN OUT TPML_DIGEST_VALUES *DigestList,\r
  IN TPML_DIGEST_VALUES     *Digest\r
  )\r
{\r
  CopyMem (\r
    &DigestList->digests[DigestList->count],\r
    &Digest->digests[0],\r
    sizeof(Digest->digests[0])\r
    );\r
  DigestList->count ++;\r
}\r