audk/MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.c

40 lines
1.2 KiB
C

/** @file
This library is used by other modules to measure data to TPM.
Copyright (c) 2015, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
/**
Tpm measure and log data, and extend the measurement result into a specific PCR.
@param[in] PcrIndex PCR Index.
@param[in] EventType Event type.
@param[in] EventLog Measurement event log.
@param[in] LogLen Event log length in bytes.
@param[in] HashData The start of the data buffer to be hashed, extended.
@param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_UNSUPPORTED TPM device not available.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
**/
EFI_STATUS
EFIAPI
TpmMeasureAndLogData (
IN UINT32 PcrIndex,
IN UINT32 EventType,
IN VOID *EventLog,
IN UINT32 LogLen,
IN VOID *HashData,
IN UINT64 HashDataLen
)
{
//
// Do nothing, just return EFI_SUCCESS.
//
return EFI_SUCCESS;
}