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ArmPkg/ArmTrngLib: Add Arm TRNG library

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

The Arm True Random Number Generator Firmware, Interface 1.0,
Platform Design Document
(https://developer.arm.com/documentation/den0098/latest/)
defines an interface between an Operating System (OS) executing
at EL1 and Firmware (FW) exposing a conditioned entropy source
that is provided by a TRNG back end.

The conditioned entropy, that is provided by the Arm TRNG interface,
is commonly used to seed deterministic random number generators.

This patch adds an ArmTrngLib library that implements the Arm TRNG
interface.

Acked-by: Leif Lindholm <quic_llindhol@quicinc.com>
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
This commit is contained in:
Sami Mujawar
2022-10-28 17:32:49 +02:00
committed by mergify[bot]
parent 351fe77666
commit e00ec499c5
4 changed files with 468 additions and 0 deletions
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ArmPkg/ArmPkg.dsc
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@@ -131,6 +131,7 @@
ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.inf
ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf
ArmPkg/Library/ArmTrngLib/ArmTrngLib.inf
ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf
ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf