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/** @file
HMAC-SHA256 Wrapper Implementation which does not provide real capabilities.
Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "InternalCryptLib.h"
/**
Retrieves the size, in bytes, of the context buffer required for HMAC-SHA256 operations.
(NOTE: This API is deprecated.
Use HmacSha256New() / HmacSha256Free() for HMAC-SHA256 Context operations.)
Return zero to indicate this interface is not supported.
@retval 0 This interface is not supported.
**/
UINTN
EFIAPI
HmacSha256GetContextSize (
VOID
)
{
ASSERT (FALSE);
return 0;
}
/**
Allocates and initializes one HMAC_CTX context for subsequent HMAC-SHA256 use.
Return NULL to indicate this interface is not supported.
@return NULL This interface is not supported..
**/
VOID *
EFIAPI
HmacSha256New (
VOID
)
{
ASSERT (FALSE);
return NULL;
}
/**
Release the specified HMAC_CTX context.
This function will do nothing.
@param[in] HmacSha256Ctx Pointer to the HMAC_CTX context to be released.
**/
VOID
EFIAPI
HmacSha256Free (
IN VOID *HmacSha256Ctx
)
{
ASSERT (FALSE);
return;
}
/**
Initializes user-supplied memory pointed by HmacSha256Context as HMAC-SHA256 context for
subsequent use.
Return FALSE to indicate this interface is not supported.
@param[out] HmacSha256Context Pointer to HMAC-SHA256 context being initialized.
@param[in] Key Pointer to the user-supplied key.
@param[in] KeySize Key size in bytes.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
HmacSha256Init (
OUT VOID *HmacSha256Context,
IN CONST UINT8 *Key,
IN UINTN KeySize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Makes a copy of an existing HMAC-SHA256 context.
Return FALSE to indicate this interface is not supported.
@param[in] HmacSha256Context Pointer to HMAC-SHA256 context being copied.
@param[out] NewHmacSha256Context Pointer to new HMAC-SHA256 context.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
HmacSha256Duplicate (
IN CONST VOID *HmacSha256Context,
OUT VOID *NewHmacSha256Context
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Digests the input data and updates HMAC-SHA256 context.
Return FALSE to indicate this interface is not supported.
@param[in, out] HmacSha256Context Pointer to the HMAC-SHA256 context.
@param[in] Data Pointer to the buffer containing the data to be digested.
@param[in] DataSize Size of Data buffer in bytes.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
HmacSha256Update (
IN OUT VOID *HmacSha256Context,
IN CONST VOID *Data,
IN UINTN DataSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Completes computation of the HMAC-SHA256 digest value.
Return FALSE to indicate this interface is not supported.
@param[in, out] HmacSha256Context Pointer to the HMAC-SHA256 context.
@param[out] HmacValue Pointer to a buffer that receives the HMAC-SHA256 digest
value (32 bytes).
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
HmacSha256Final (
IN OUT VOID *HmacSha256Context,
OUT UINT8 *HmacValue
)
{
ASSERT (FALSE);
return FALSE;
}
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