1 /** @file
2   Pseudorandom Number Generator Wrapper Implementation which does not provide
3   real capabilities.
4 
5 Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution.  The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10 
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 
14 **/
15 
16 #include "InternalCryptLib.h"
17 
18 
19 /**
20   Sets up the seed value for the pseudorandom number generator.
21 
22   Return FALSE to indicate this interface is not supported.
23 
24   @param[in]  Seed      Pointer to seed value.
25                         If NULL, default seed is used.
26   @param[in]  SeedSize  Size of seed value.
27                         If Seed is NULL, this parameter is ignored.
28 
29   @retval FALSE  This interface is not supported.
30 
31 **/
32 BOOLEAN
33 EFIAPI
RandomSeed(IN CONST UINT8 * Seed OPTIONAL,IN UINTN SeedSize)34 RandomSeed (
35   IN  CONST  UINT8  *Seed  OPTIONAL,
36   IN  UINTN         SeedSize
37   )
38 {
39   ASSERT (FALSE);
40   return FALSE;
41 }
42 
43 /**
44   Generates a pseudorandom byte stream of the specified size.
45 
46   Return FALSE to indicate this interface is not supported.
47 
48   @param[out]  Output  Pointer to buffer to receive random value.
49   @param[in]   Size    Size of randome bytes to generate.
50 
51   @retval FALSE  This interface is not supported.
52 
53 **/
54 BOOLEAN
55 EFIAPI
RandomBytes(OUT UINT8 * Output,IN UINTN Size)56 RandomBytes (
57   OUT  UINT8  *Output,
58   IN   UINTN  Size
59   )
60 {
61   ASSERT (FALSE);
62   return FALSE;
63 }
64