REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1792 Hmac(Md5|Sha1|Sha256)GetContextSize() use a deprecated macro HMAC_MAX_MD_CBLOCK defined in openssl. They should be dropped to avoid misuses in the future. For context allocation and release, use HmacXxxNew() and HmacXxxFree() instead. Cc: Xiaoyu Lu <xiaoyux.lu@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Jian J Wang <jian.j.wang@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Xiaoyu Lu <xiaoyux.lu@intel.com>
		
			
				
	
	
		
			140 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  HMAC-SHA256 Wrapper Implementation which does not provide real capabilities.
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Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "InternalCryptLib.h"
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/**
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  Allocates and initializes one HMAC_CTX context for subsequent HMAC-SHA256 use.
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  Return NULL to indicate this interface is not supported.
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  @return  NULL  This interface is not supported..
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**/
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VOID *
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EFIAPI
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HmacSha256New (
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  VOID
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  )
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{
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  ASSERT (FALSE);
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  return NULL;
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}
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/**
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  Release the specified HMAC_CTX context.
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  This function will do nothing.
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  @param[in]  HmacSha256Ctx  Pointer to the HMAC_CTX context to be released.
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**/
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VOID
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EFIAPI
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HmacSha256Free (
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  IN  VOID  *HmacSha256Ctx
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  )
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{
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  ASSERT (FALSE);
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  return;
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}
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/**
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  Set user-supplied key for subsequent use. It must be done before any
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  calling to HmacSha256Update().
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  Return FALSE to indicate this interface is not supported.
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  @param[out]  HmacSha256Context  Pointer to HMAC-SHA256 context.
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  @param[in]   Key                Pointer to the user-supplied key.
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  @param[in]   KeySize            Key size in bytes.
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  @retval FALSE  This interface is not supported.
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**/
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BOOLEAN
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EFIAPI
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HmacSha256SetKey (
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  OUT  VOID         *HmacSha256Context,
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  IN   CONST UINT8  *Key,
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  IN   UINTN        KeySize
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  )
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{
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  ASSERT (FALSE);
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  return FALSE;
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}
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/**
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  Makes a copy of an existing HMAC-SHA256 context.
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  Return FALSE to indicate this interface is not supported.
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  @param[in]  HmacSha256Context     Pointer to HMAC-SHA256 context being copied.
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  @param[out] NewHmacSha256Context  Pointer to new HMAC-SHA256 context.
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  @retval FALSE  This interface is not supported.
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**/
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BOOLEAN
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EFIAPI
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HmacSha256Duplicate (
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  IN   CONST VOID  *HmacSha256Context,
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  OUT  VOID        *NewHmacSha256Context
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  )
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{
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  ASSERT (FALSE);
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  return FALSE;
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}
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/**
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  Digests the input data and updates HMAC-SHA256 context.
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  Return FALSE to indicate this interface is not supported.
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  @param[in, out]  HmacSha256Context Pointer to the HMAC-SHA256 context.
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  @param[in]       Data              Pointer to the buffer containing the data to be digested.
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  @param[in]       DataSize          Size of Data buffer in bytes.
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  @retval FALSE  This interface is not supported.
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**/
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BOOLEAN
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EFIAPI
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HmacSha256Update (
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  IN OUT  VOID        *HmacSha256Context,
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  IN      CONST VOID  *Data,
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  IN      UINTN       DataSize
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  )
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{
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  ASSERT (FALSE);
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  return FALSE;
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}
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/**
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  Completes computation of the HMAC-SHA256 digest value.
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  Return FALSE to indicate this interface is not supported.
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  @param[in, out]  HmacSha256Context  Pointer to the HMAC-SHA256 context.
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  @param[out]      HmacValue          Pointer to a buffer that receives the HMAC-SHA256 digest
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                                      value (32 bytes).
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  @retval FALSE  This interface is not supported.
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**/
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BOOLEAN
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EFIAPI
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HmacSha256Final (
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  IN OUT  VOID   *HmacSha256Context,
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  OUT     UINT8  *HmacValue
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  )
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{
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  ASSERT (FALSE);
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  return FALSE;
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}
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