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BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4504 The BaseRngLibTimerLib allows to generate number based on a timer. This mechanism allows to have a basic non-secure implementation for non-production platforms. To bind and identify Random Number Generators implementations with a GUID, an unsafe GUID should be added. This GUID cannot be added to the MdePkg unless it is also added to a specification. To keep the MdePkg self-contained, copy the BaseRngLibTimerLib to the MdeModulePkg. This will allow to define an unsafe Rng GUID in a later patch in the MdeModulePkg. The MdePkg implementation will be removed later. This allows to give some time to platform owners to switch to the MdeModulePkg implementation. Signed-off-by: Pierre Gondois <pierre.gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Kun Qin <kun.qin@microsoft.com>
16 lines
461 B
Plaintext
16 lines
461 B
Plaintext
// @file
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// Instance of RNG (Random Number Generator) Library.
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//
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// RngLib that uses TimerLib's performance counter to provide random numbers.
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//
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// Copyright (c) Microsoft Corporation.
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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#string STR_MODULE_ABSTRACT #language en-US "Instance of RNG Library"
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#string STR_MODULE_DESCRIPTION #language en-US "BaseRng Library that uses the TimerLib to provide low-entropy random numbers"
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