414c0f2089
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4441 The EFI_RNG_PROTOCOL can rely on the RngLib. The RngLib has multiple implementations, some of them are unsafe (e.g. BaseRngLibTimerLib). To allow the RngDxe to detect when such implementation is used, a GetRngGuid() function is added in a following patch. Prepare GetRngGuid() return values and add a gEdkiiRngAlgorithmUnSafe to describe an unsafe implementation, cf. the BaseRngLibTimerLib. 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>
24 lines
626 B
C
24 lines
626 B
C
/** @file
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Rng Algorithm
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Copyright (c) 2023, Arm Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef RNG_ALGORITHM_GUID_H_
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#define RNG_ALGORITHM_GUID_H_
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///
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/// The implementation of a Random Number Generator might be unsafe, when using
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/// a dummy implementation for instance. Allow identifying such implementation
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/// with this GUID.
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///
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#define EDKII_RNG_ALGORITHM_UNSAFE \
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{ \
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0x869f728c, 0x409d, 0x4ab4, {0xac, 0x03, 0x71, 0xd3, 0x09, 0xc1, 0xb3, 0xf4 } \
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}
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extern EFI_GUID gEdkiiRngAlgorithmUnSafe;
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#endif // #ifndef RNG_ALGORITHM_GUID_H_
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