audk/CryptoPkg/Library/BaseCryptLib/Rand/CryptRandNull.c

64 lines
1.6 KiB
C

/** @file
Pseudorandom Number Generator Wrapper Implementation which does not provide
real capabilities.
Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "InternalCryptLib.h"
/**
Sets up the seed value for the pseudorandom number generator.
Return FALSE to indicate this interface is not supported.
@param[in] Seed Pointer to seed value.
If NULL, default seed is used.
@param[in] SeedSize Size of seed value.
If Seed is NULL, this parameter is ignored.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
RandomSeed (
IN CONST UINT8 *Seed OPTIONAL,
IN UINTN SeedSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Generates a pseudorandom byte stream of the specified size.
Return FALSE to indicate this interface is not supported.
@param[out] Output Pointer to buffer to receive random value.
@param[in] Size Size of randome bytes to generate.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
RandomBytes (
OUT UINT8 *Output,
IN UINTN Size
)
{
ASSERT (FALSE);
return FALSE;
}