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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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