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MdePkg/ArmTrngLib: Add NULL instance of Arm TRNG Library

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Bugzilla: 3668 (https://bugzilla.tianocore.org/show_bug.cgi?id=3668)

The Arm True Random Number Generator (TRNG) library defines an
interface to access the entropy source on a platform. On platforms
that do not have access to an entropy source, a NULL instance of
the TRNG library may be useful to satisfy the build dependency.

Therefore, add a NULL instance of the Arm TRNG library.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
This commit is contained in:
Sami Mujawar
2022-10-28 17:32:47 +02:00
committed by mergify[bot]
parent cbce5a1a93
commit ef4cf3d88d
5 changed files with 165 additions and 0 deletions
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12
MdePkg/Library/BaseArmTrngLibNull/BaseArmTrngLibNull.uni Normal file
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// /** @file
// Null Instance of the Arm TRNG (True Random Number Generator) Library.
//
// Copyright (c) 2021 - 2022, Arm Limited. All rights reserved.<BR>
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
// **/
#string STR_MODULE_ABSTRACT #language en-US "Null instance of TRNG Library"
#string STR_MODULE_DESCRIPTION #language en-US "This library instance should be used with modules that inherit an (indirect) dependency on the ArmTrngLib class, but never actually call ArmTrngLib APIs for consuming Entropy."