audk/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterComm...

72 lines
1.6 KiB
C

/** @file
This is BaseCrypto router support function.
Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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 ++;
}