/** @file | |
This is BaseCrypto router support function. | |
Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR> | |
This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include <PiPei.h> | |
#include <Library/BaseLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/Tpm2CommandLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/MemoryAllocationLib.h> | |
#include <Library/HashLib.h> | |
#include <Protocol/Tcg2Protocol.h> | |
typedef struct { | |
EFI_GUID Guid; | |
UINT32 Mask; | |
} TPM2_HASH_MASK; | |
TPM2_HASH_MASK mTpm2HashMask[] = { | |
{HASH_ALGORITHM_SHA1_GUID, HASH_ALG_SHA1}, | |
{HASH_ALGORITHM_SHA256_GUID, HASH_ALG_SHA256}, | |
{HASH_ALGORITHM_SHA384_GUID, HASH_ALG_SHA384}, | |
{HASH_ALGORITHM_SHA512_GUID, HASH_ALG_SHA512}, | |
}; | |
/** | |
The function get hash mask info from algorithm. | |
@param HashGuid Hash Guid | |
@return HashMask | |
**/ | |
UINT32 | |
EFIAPI | |
Tpm2GetHashMaskFromAlgo ( | |
IN EFI_GUID *HashGuid | |
) | |
{ | |
UINTN Index; | |
for (Index = 0; Index < sizeof(mTpm2HashMask)/sizeof(mTpm2HashMask[0]); Index++) { | |
if (CompareGuid (HashGuid, &mTpm2HashMask[Index].Guid)) { | |
return mTpm2HashMask[Index].Mask; | |
} | |
} | |
return 0; | |
} | |
/** | |
The function set digest to digest list. | |
@param DigestList digest list | |
@param Digest digest data | |
**/ | |
VOID | |
EFIAPI | |
Tpm2SetHashToDigestList ( | |
IN OUT TPML_DIGEST_VALUES *DigestList, | |
IN TPML_DIGEST_VALUES *Digest | |
) | |
{ | |
CopyMem ( | |
&DigestList->digests[DigestList->count], | |
&Digest->digests[0], | |
sizeof(Digest->digests[0]) | |
); | |
DigestList->count ++; | |
} |