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      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 }
    125