5042ee43d9
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594 RpmcLib.h and VariableKeyLib.h are header files required to access RPMC device and Key generator from platform. They will be used to ensure the integrity and confidentiality of NV variables. Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Chao Zhang <chao.b.zhang@intel.com> Cc: Nishant C Mistry <nishant.c.mistry@intel.com> Signed-off-by: Jian J Wang <jian.j.wang@intel.com> Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/** @file
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Public definitions for the Replay Protected Monotonic Counter (RPMC) Library.
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _RPMC_LIB_H_
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#define _RPMC_LIB_H_
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#include <Uefi/UefiBaseType.h>
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/**
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Requests the monotonic counter from the designated RPMC counter.
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@param[out] CounterValue A pointer to a buffer to store the RPMC value.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
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@retval EFI_UNSUPPORTED The operation is un-supported.
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**/
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EFI_STATUS
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EFIAPI
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RequestMonotonicCounter (
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OUT UINT32 *CounterValue
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);
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/**
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Increments the monotonic counter in the SPI flash device by 1.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR A device error occurred while attempting to update the counter.
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@retval EFI_UNSUPPORTED The operation is un-supported.
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**/
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EFI_STATUS
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EFIAPI
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IncrementMonotonicCounter (
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VOID
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);
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#endif
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