BaseRngLibNull.c File Reference

#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/RngLib.h>
#include <Protocol/Rng.h>

Go to the source code of this file.

Functions
BOOLEAN EFIAPI	GetRandomNumber16 (OUT UINT16 *Rand)
BOOLEAN EFIAPI	GetRandomNumber32 (OUT UINT32 *Rand)
BOOLEAN EFIAPI	GetRandomNumber64 (OUT UINT64 *Rand)
BOOLEAN EFIAPI	GetRandomNumber128 (OUT UINT64 *Rand)
EFI_STATUS EFIAPI	GetRngGuid (GUID *RngGuid)

Detailed Description

Null version of Random number generator services.

Copyright (c) 2023, Arm Limited. All rights reserved.
Copyright (c) 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file BaseRngLibNull.c.

Function Documentation

GetRandomNumber128()

BOOLEAN EFIAPI GetRandomNumber128

(

OUT UINT64 *

Rand

)

Generates a 128-bit random number.

if Rand is NULL, then ASSERT().

Parameters

[out]

Rand

Buffer pointer to store the 128-bit random value.

Return values

TRUE	Random number generated successfully.
FALSE	Failed to generate the random number.

Definition at line 91 of file BaseRngLibNull.c.

GetRandomNumber16()

BOOLEAN EFIAPI GetRandomNumber16

(

OUT UINT16 *

Rand

)

Generates a 16-bit random number.

if Rand is NULL, then ASSERT().

Parameters

[out]

Rand

Buffer pointer to store the 16-bit random value.

Return values

TRUE	Random number generated successfully.
FALSE	Failed to generate the random number.

Definition at line 28 of file BaseRngLibNull.c.

GetRandomNumber32()

BOOLEAN EFIAPI GetRandomNumber32

(

OUT UINT32 *

Rand

)

Generates a 32-bit random number.

if Rand is NULL, then ASSERT().

Parameters

[out]

Rand

Buffer pointer to store the 32-bit random value.

Return values

TRUE	Random number generated successfully.
FALSE	Failed to generate the random number.

Definition at line 49 of file BaseRngLibNull.c.

GetRandomNumber64()

BOOLEAN EFIAPI GetRandomNumber64

(

OUT UINT64 *

Rand

)

Generates a 64-bit random number.

if Rand is NULL, then ASSERT().

Parameters

[out]

Rand

Buffer pointer to store the 64-bit random value.

Return values

TRUE	Random number generated successfully.
FALSE	Failed to generate the random number.

Definition at line 70 of file BaseRngLibNull.c.

GetRngGuid()

EFI_STATUS EFIAPI GetRngGuid

(

GUID *

RngGuid

)

Get a GUID identifying the RNG algorithm implementation.

Parameters

[out]

RngGuid

If success, contains the GUID identifying the RNG algorithm implementation.

Return values

EFI_SUCCESS	Success.
EFI_UNSUPPORTED	Not supported.
EFI_INVALID_PARAMETER	Invalid parameter.

Definition at line 111 of file BaseRngLibNull.c.