audk/CryptoPkg/Library/BaseCryptLibNull/Hash/CryptMd5Null.c

164 lines
4.0 KiB
C

/** @file
MD5 Digest Wrapper Null Implementation.
Copyright (c) Microsoft Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "InternalCryptLib.h"
/**
Retrieves the size, in bytes, of the context buffer required for MD5 hash operations.
@return The size, in bytes, of the context buffer required for MD5 hash operations.
**/
UINTN
EFIAPI
Md5GetContextSize (
VOID
)
{
ASSERT (FALSE);
return 0;
}
/**
Initializes user-supplied memory pointed by Md5Context as MD5 hash context for
subsequent use.
If Md5Context is NULL, then return FALSE.
@param[out] Md5Context Pointer to MD5 context being initialized.
@retval TRUE MD5 context initialization succeeded.
@retval FALSE MD5 context initialization failed.
**/
BOOLEAN
EFIAPI
Md5Init (
OUT VOID *Md5Context
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Makes a copy of an existing MD5 context.
If Md5Context is NULL, then return FALSE.
If NewMd5Context is NULL, then return FALSE.
@param[in] Md5Context Pointer to MD5 context being copied.
@param[out] NewMd5Context Pointer to new MD5 context.
@retval TRUE MD5 context copy succeeded.
@retval FALSE MD5 context copy failed.
**/
BOOLEAN
EFIAPI
Md5Duplicate (
IN CONST VOID *Md5Context,
OUT VOID *NewMd5Context
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Digests the input data and updates MD5 context.
This function performs MD5 digest on a data buffer of the specified size.
It can be called multiple times to compute the digest of long or discontinuous data streams.
MD5 context should be already correctly intialized by Md5Init(), and should not be finalized
by Md5Final(). Behavior with invalid context is undefined.
If Md5Context is NULL, then return FALSE.
@param[in, out] Md5Context Pointer to the MD5 context.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@retval TRUE MD5 data digest succeeded.
@retval FALSE MD5 data digest failed.
**/
BOOLEAN
EFIAPI
Md5Update (
IN OUT VOID *Md5Context,
IN CONST VOID *Data,
IN UINTN DataSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Completes computation of the MD5 digest value.
This function completes MD5 hash computation and retrieves the digest value into
the specified memory. After this function has been called, the MD5 context cannot
be used again.
MD5 context should be already correctly intialized by Md5Init(), and should not be
finalized by Md5Final(). Behavior with invalid MD5 context is undefined.
If Md5Context is NULL, then return FALSE.
If HashValue is NULL, then return FALSE.
@param[in, out] Md5Context Pointer to the MD5 context.
@param[out] HashValue Pointer to a buffer that receives the MD5 digest
value (16 bytes).
@retval TRUE MD5 digest computation succeeded.
@retval FALSE MD5 digest computation failed.
**/
BOOLEAN
EFIAPI
Md5Final (
IN OUT VOID *Md5Context,
OUT UINT8 *HashValue
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Computes the MD5 message digest of a input data buffer.
This function performs the MD5 message digest of a given data buffer, and places
the digest value into the specified memory.
If this interface is not supported, then return FALSE.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@param[out] HashValue Pointer to a buffer that receives the MD5 digest
value (16 bytes).
@retval TRUE MD5 digest computation succeeded.
@retval FALSE MD5 digest computation failed.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
Md5HashAll (
IN CONST VOID *Data,
IN UINTN DataSize,
OUT UINT8 *HashValue
)
{
ASSERT (FALSE);
return FALSE;
}