CryptoPkg/Library/BaseCryptLibNull/Cipher/CryptAesNull.c

   1 /** @file
   2   AES Wrapper Implementation which does not provide real capabilities.
   3
   4 Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include "InternalCryptLib.h"
  10
  11 /**
  12   Retrieves the size, in bytes, of the context buffer required for AES operations.
  13
  14   Return zero to indicate this interface is not supported.
  15
  16   @retval  0   This interface is not supported.
  17
  18 **/
  19 UINTN
  20 EFIAPI
  21 AesGetContextSize (
  22   VOID
  23   )
  24 {
  25   ASSERT (FALSE);
  26   return 0;
  27 }
  28
  29 /**
  30   Initializes user-supplied memory as AES context for subsequent use.
  31
  32   Return FALSE to indicate this interface is not supported.
  33
  34   @param[out]  AesContext  Pointer to AES context being initialized.
  35   @param[in]   Key         Pointer to the user-supplied AES key.
  36   @param[in]   KeyLength   Length of AES key in bits.
  37
  38   @retval FALSE  This interface is not supported.
  39
  40 **/
  41 BOOLEAN
  42 EFIAPI
  43 AesInit (
  44   OUT  VOID         *AesContext,
  45   IN   CONST UINT8  *Key,
  46   IN   UINTN        KeyLength
  47   )
  48 {
  49   ASSERT (FALSE);
  50   return FALSE;
  51 }
  52
  53 /**
  54   Performs AES encryption on a data buffer of the specified size in ECB mode.
  55
  56   Return FALSE to indicate this interface is not supported.
  57
  58   @param[in]   AesContext  Pointer to the AES context.
  59   @param[in]   Input       Pointer to the buffer containing the data to be encrypted.
  60   @param[in]   InputSize   Size of the Input buffer in bytes.
  61   @param[out]  Output      Pointer to a buffer that receives the AES encryption output.
  62
  63   @retval FALSE  This interface is not supported.
  64
  65 **/
  66 BOOLEAN
  67 EFIAPI
  68 AesEcbEncrypt (
  69   IN   VOID         *AesContext,
  70   IN   CONST UINT8  *Input,
  71   IN   UINTN        InputSize,
  72   OUT  UINT8        *Output
  73   )
  74 {
  75   ASSERT (FALSE);
  76   return FALSE;
  77 }
  78
  79 /**
  80   Performs AES decryption on a data buffer of the specified size in ECB mode.
  81
  82   Return FALSE to indicate this interface is not supported.
  83
  84   @param[in]   AesContext  Pointer to the AES context.
  85   @param[in]   Input       Pointer to the buffer containing the data to be decrypted.
  86   @param[in]   InputSize   Size of the Input buffer in bytes.
  87   @param[out]  Output      Pointer to a buffer that receives the AES decryption output.
  88
  89   @retval FALSE  This interface is not supported.
  90
  91 **/
  92 BOOLEAN
  93 EFIAPI
  94 AesEcbDecrypt (
  95   IN   VOID         *AesContext,
  96   IN   CONST UINT8  *Input,
  97   IN   UINTN        InputSize,
  98   OUT  UINT8        *Output
  99   )
 100 {
 101   ASSERT (FALSE);
 102   return FALSE;
 103 }
 104
 105 /**
 106   Performs AES encryption on a data buffer of the specified size in CBC mode.
 107
 108   Return FALSE to indicate this interface is not supported.
 109
 110   @param[in]   AesContext  Pointer to the AES context.
 111   @param[in]   Input       Pointer to the buffer containing the data to be encrypted.
 112   @param[in]   InputSize   Size of the Input buffer in bytes.
 113   @param[in]   Ivec        Pointer to initialization vector.
 114   @param[out]  Output      Pointer to a buffer that receives the AES encryption output.
 115
 116   @retval FALSE  This interface is not supported.
 117
 118 **/
 119 BOOLEAN
 120 EFIAPI
 121 AesCbcEncrypt (
 122   IN   VOID         *AesContext,
 123   IN   CONST UINT8  *Input,
 124   IN   UINTN        InputSize,
 125   IN   CONST UINT8  *Ivec,
 126   OUT  UINT8        *Output
 127   )
 128 {
 129   ASSERT (FALSE);
 130   return FALSE;
 131 }
 132
 133 /**
 134   Performs AES decryption on a data buffer of the specified size in CBC mode.
 135
 136   Return FALSE to indicate this interface is not supported.
 137
 138   @param[in]   AesContext  Pointer to the AES context.
 139   @param[in]   Input       Pointer to the buffer containing the data to be encrypted.
 140   @param[in]   InputSize   Size of the Input buffer in bytes.
 141   @param[in]   Ivec        Pointer to initialization vector.
 142   @param[out]  Output      Pointer to a buffer that receives the AES encryption output.
 143
 144   @retval FALSE  This interface is not supported.
 145
 146 **/
 147 BOOLEAN
 148 EFIAPI
 149 AesCbcDecrypt (
 150   IN   VOID         *AesContext,
 151   IN   CONST UINT8  *Input,
 152   IN   UINTN        InputSize,
 153   IN   CONST UINT8  *Ivec,
 154   OUT  UINT8        *Output
 155   )
 156 {
 157   ASSERT (FALSE);
 158   return FALSE;
 159 }