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/** @file
Null version of Random number generator services.
Copyright (c) 2023, Arm Limited. All rights reserved.<BR>
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/RngLib.h>
#include <Protocol/Rng.h>
/**
Generates a 16-bit random number.
if Rand is NULL, then ASSERT().
@param[out] Rand Buffer pointer to store the 16-bit random value.
@retval TRUE Random number generated successfully.
@retval FALSE Failed to generate the random number.
**/
BOOLEAN
EFIAPI
GetRandomNumber16 (
OUT UINT16 *Rand
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Generates a 32-bit random number.
if Rand is NULL, then ASSERT().
@param[out] Rand Buffer pointer to store the 32-bit random value.
@retval TRUE Random number generated successfully.
@retval FALSE Failed to generate the random number.
**/
BOOLEAN
EFIAPI
GetRandomNumber32 (
OUT UINT32 *Rand
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Generates a 64-bit random number.
if Rand is NULL, then ASSERT().
@param[out] Rand Buffer pointer to store the 64-bit random value.
@retval TRUE Random number generated successfully.
@retval FALSE Failed to generate the random number.
**/
BOOLEAN
EFIAPI
GetRandomNumber64 (
OUT UINT64 *Rand
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Generates a 128-bit random number.
if Rand is NULL, then ASSERT().
@param[out] Rand Buffer pointer to store the 128-bit random value.
@retval TRUE Random number generated successfully.
@retval FALSE Failed to generate the random number.
**/
BOOLEAN
EFIAPI
GetRandomNumber128 (
OUT UINT64 *Rand
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Get a GUID identifying the RNG algorithm implementation.
@param [out] RngGuid If success, contains the GUID identifying
the RNG algorithm implementation.
@retval EFI_SUCCESS Success.
@retval EFI_UNSUPPORTED Not supported.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
GetRngGuid (
GUID *RngGuid
)
{
return EFI_UNSUPPORTED;
}
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