https://bugzilla.tianocore.org/show_bug.cgi?id=2257 Add a Null instance of the BaseCryptLib class. This lib instance can be used as a template for new implementations of the BaseCryptLib class and can also be used to reduce CI build times for build checks that depend on the BaseCryptLib class. Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Xiaoyu Lu <xiaoyux.lu@intel.com> Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
		
			
				
	
	
		
			163 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			163 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   SHA-256 Digest Wrapper Null Implementation.
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| 
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| Copyright (c) 2009 - 2016, 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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| **/
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| 
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| #include "InternalCryptLib.h"
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| 
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| /**
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|   Retrieves the size, in bytes, of the context buffer required for SHA-256 hash operations.
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| 
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|   @return  The size, in bytes, of the context buffer required for SHA-256 hash operations.
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| 
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| **/
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| UINTN
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| EFIAPI
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| Sha256GetContextSize (
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|   VOID
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|   )
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| {
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|   ASSERT (FALSE);
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|   return 0;
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| }
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| 
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| /**
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|   Initializes user-supplied memory pointed by Sha256Context as SHA-256 hash context for
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|   subsequent use.
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| 
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|   If Sha256Context is NULL, then return FALSE.
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| 
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|   @param[out]  Sha256Context  Pointer to SHA-256 context being initialized.
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| 
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|   @retval TRUE   SHA-256 context initialization succeeded.
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|   @retval FALSE  SHA-256 context initialization failed.
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| 
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| **/
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| BOOLEAN
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| EFIAPI
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| Sha256Init (
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|   OUT  VOID  *Sha256Context
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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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| /**
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|   Makes a copy of an existing SHA-256 context.
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| 
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|   If Sha256Context is NULL, then return FALSE.
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|   If NewSha256Context is NULL, then return FALSE.
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| 
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|   @param[in]  Sha256Context     Pointer to SHA-256 context being copied.
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|   @param[out] NewSha256Context  Pointer to new SHA-256 context.
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| 
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|   @retval TRUE   SHA-256 context copy succeeded.
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|   @retval FALSE  SHA-256 context copy failed.
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| 
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| **/
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| BOOLEAN
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| EFIAPI
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| Sha256Duplicate (
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|   IN   CONST VOID  *Sha256Context,
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|   OUT  VOID        *NewSha256Context
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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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| /**
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|   Digests the input data and updates SHA-256 context.
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| 
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|   This function performs SHA-256 digest on a data buffer of the specified size.
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|   It can be called multiple times to compute the digest of long or discontinuous data streams.
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|   SHA-256 context should be already correctly initialized by Sha256Init(), and should not be finalized
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|   by Sha256Final(). Behavior with invalid context is undefined.
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| 
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|   If Sha256Context is NULL, then return FALSE.
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| 
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|   @param[in, out]  Sha256Context  Pointer to the SHA-256 context.
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|   @param[in]       Data           Pointer to the buffer containing the data to be hashed.
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|   @param[in]       DataSize       Size of Data buffer in bytes.
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| 
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|   @retval TRUE   SHA-256 data digest succeeded.
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|   @retval FALSE  SHA-256 data digest failed.
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| 
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| **/
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| BOOLEAN
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| EFIAPI
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| Sha256Update (
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|   IN OUT  VOID        *Sha256Context,
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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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| /**
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|   Completes computation of the SHA-256 digest value.
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| 
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|   This function completes SHA-256 hash computation and retrieves the digest value into
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|   the specified memory. After this function has been called, the SHA-256 context cannot
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|   be used again.
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|   SHA-256 context should be already correctly initialized by Sha256Init(), and should not be
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|   finalized by Sha256Final(). Behavior with invalid SHA-256 context is undefined.
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| 
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|   If Sha256Context is NULL, then return FALSE.
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|   If HashValue is NULL, then return FALSE.
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| 
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|   @param[in, out]  Sha256Context  Pointer to the SHA-256 context.
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|   @param[out]      HashValue      Pointer to a buffer that receives the SHA-256 digest
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|                                   value (32 bytes).
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| 
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|   @retval TRUE   SHA-256 digest computation succeeded.
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|   @retval FALSE  SHA-256 digest computation failed.
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| 
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| **/
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| BOOLEAN
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| EFIAPI
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| Sha256Final (
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|   IN OUT  VOID   *Sha256Context,
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|   OUT     UINT8  *HashValue
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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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| /**
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|   Computes the SHA-256 message digest of a input data buffer.
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| 
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|   This function performs the SHA-256 message digest of a given data buffer, and places
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|   the digest value into the specified memory.
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| 
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|   If this interface is not supported, then return FALSE.
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| 
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|   @param[in]   Data        Pointer to the buffer containing the data to be hashed.
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|   @param[in]   DataSize    Size of Data buffer in bytes.
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|   @param[out]  HashValue   Pointer to a buffer that receives the SHA-256 digest
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|                            value (32 bytes).
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| 
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|   @retval TRUE   SHA-256 digest computation succeeded.
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|   @retval FALSE  SHA-256 digest computation failed.
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|   @retval FALSE  This interface is not supported.
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| 
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| **/
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| BOOLEAN
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| EFIAPI
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| Sha256HashAll (
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|   IN   CONST VOID  *Data,
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|   IN   UINTN       DataSize,
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|   OUT  UINT8       *HashValue
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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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