CryptoPkg/Library/BaseCryptLibRuntimeCryptProtocol/Hash/CryptMd4Null.c

   1 /** @file
   2   MD4 Digest Wrapper Implementation which does not provide real capabilities.
   3
   4 Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
   5 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "InternalCryptLib.h"
  16
  17 /**
  18   Retrieves the size, in bytes, of the context buffer required for MD4 hash
  19   operations.
  20
  21   Return zero to indicate this interface is not supported.
  22
  23   @retval  0   This interface is not supported.
  24
  25 **/
  26 UINTN
  27 EFIAPI
  28 Md4GetContextSize (
  29   VOID
  30   )
  31 {
  32   ASSERT (FALSE);
  33   return 0;
  34 }
  35
  36 /**
  37   Initializes user-supplied memory pointed by Md4Context as MD4 hash context for
  38   subsequent use.
  39
  40   Return FALSE to indicate this interface is not supported.
  41
  42   @param[out]  Md4Context  Pointer to MD4 context being initialized.
  43
  44   @retval FALSE  This interface is not supported.
  45
  46 **/
  47 BOOLEAN
  48 EFIAPI
  49 Md4Init (
  50   OUT  VOID  *Md4Context
  51   )
  52 {
  53   ASSERT (FALSE);
  54   return FALSE;
  55 }
  56
  57 /**
  58   Makes a copy of an existing MD4 context.
  59
  60   Return FALSE to indicate this interface is not supported.
  61
  62   @param[in]  Md4Context     Pointer to MD4 context being copied.
  63   @param[out] NewMd4Context  Pointer to new MD4 context.
  64
  65   @retval FALSE  This interface is not supported.
  66
  67 **/
  68 BOOLEAN
  69 EFIAPI
  70 Md4Duplicate (
  71   IN   CONST VOID  *Md4Context,
  72   OUT  VOID        *NewMd4Context
  73   )
  74 {
  75   ASSERT (FALSE);
  76   return FALSE;
  77 }
  78
  79 /**
  80   Digests the input data and updates MD4 context.
  81
  82   Return FALSE to indicate this interface is not supported.
  83
  84   @param[in, out]  Md4Context  Pointer to the MD4 context.
  85   @param[in]       Data        Pointer to the buffer containing the data to be hashed.
  86   @param[in]       DataSize    Size of Data buffer in bytes.
  87
  88   @retval FALSE  This interface is not supported.
  89
  90 **/
  91 BOOLEAN
  92 EFIAPI
  93 Md4Update (
  94   IN OUT  VOID        *Md4Context,
  95   IN      CONST VOID  *Data,
  96   IN      UINTN       DataSize
  97   )
  98 {
  99   ASSERT (FALSE);
 100   return FALSE;
 101 }
 102
 103 /**
 104   Completes computation of the MD4 digest value.
 105
 106   Return FALSE to indicate this interface is not supported.
 107
 108   @param[in, out]  Md4Context  Pointer to the MD4 context.
 109   @param[out]      HashValue   Pointer to a buffer that receives the MD4 digest
 110                                value (16 bytes).
 111
 112   @retval FALSE  This interface is not supported.
 113
 114 **/
 115 BOOLEAN
 116 EFIAPI
 117 Md4Final (
 118   IN OUT  VOID   *Md4Context,
 119   OUT     UINT8  *HashValue
 120   )
 121 {
 122   ASSERT (FALSE);
 123   return FALSE;
 124 }