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SecurityPkg/RngDxe: Add Arm support of RngDxe

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

Add RngDxe support for Arm. This implementation uses the ArmTrngLib
to support the RawAlgorithm and doens't support the RNDR instruction.

To re-use the RngGetRNG(), RngGetInfo() and FreeAvailableAlgorithms()
functions, create Arm/AArch64 files which implement the arch specific
function GetAvailableAlgorithms(). Indeed, FEAT_RNG instruction is not
supported on Arm.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Pierre Gondois
2022-10-28 17:32:58 +02:00
committed by mergify[bot]
parent ff29cdb968
commit 9eb5ccda50
5 changed files with 133 additions and 64 deletions
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SecurityPkg/SecurityPkg.dsc
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@@ -291,7 +291,7 @@
SecurityPkg/EnrollFromDefaultKeysApp/EnrollFromDefaultKeysApp.inf
SecurityPkg/VariableAuthenticated/SecureBootDefaultKeysDxe/SecureBootDefaultKeysDxe.inf
[Components.IA32, Components.X64, Components.AARCH64]
[Components.IA32, Components.X64, Components.AARCH64, Components.ARM]
#
# Random Number Generator
#