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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Crypto Component */
/** */
/** HMAC Mode */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* nx_crypto_hmac.h PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic Application Interface (API) to the */
/* NetX Crypto HMAC module. */
/* */
/**************************************************************************/
#ifndef NX_CRYPTO_HMAC_H
#define NX_CRYPTO_HMAC_H
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
/* Include the ThreadX and port-specific data type file. */
#include "nx_crypto.h"
#ifndef NX_CRYPTO_HMAC_MAX_PAD_SIZE
#define NX_CRYPTO_HMAC_MAX_PAD_SIZE (128)
#endif
typedef struct NX_CRYPTO_HMAC_STRUCT
{
VOID *context;
UCHAR k_ipad[NX_CRYPTO_HMAC_MAX_PAD_SIZE];
UCHAR k_opad[NX_CRYPTO_HMAC_MAX_PAD_SIZE];
UINT algorithm;
UINT block_size;
UINT output_length;
UINT (*crypto_initialize)(VOID *, UINT);
UINT (*crypto_update)(VOID *, UCHAR *, UINT);
UINT (*crypto_digest_calculate)(VOID *, UCHAR *, UINT);
NX_CRYPTO_METHOD *hash_method;
VOID *hash_context;
} NX_CRYPTO_HMAC;
UINT _nx_crypto_hmac(NX_CRYPTO_HMAC *crypto_matadata,
UCHAR *input_ptr, UINT input_length,
UCHAR *key_ptr, UINT key_length,
UCHAR *digest_ptr, UINT digest_length);
UINT _nx_crypto_hmac_initialize(NX_CRYPTO_HMAC *crypto_matadata, UCHAR *key_ptr, UINT key_length);
UINT _nx_crypto_hmac_update(NX_CRYPTO_HMAC *crypto_matadata, UCHAR *input_ptr, UINT input_length);
UINT _nx_crypto_hmac_digest_calculate(NX_CRYPTO_HMAC *crypto_matadata, UCHAR *digest_ptr, UINT digest_length);
VOID _nx_crypto_hmac_metadata_set(NX_CRYPTO_HMAC *hmac_metadata,
VOID *context,
UINT algorithm, UINT block_size, UINT output_length,
UINT (*crypto_initialize)(VOID *, UINT),
UINT (*crypto_update)(VOID *, UCHAR *, UINT),
UINT (*crypto_digest_calculate)(VOID *, UCHAR *, UINT));
UINT _nx_crypto_hmac_hash_initialize(VOID *context, UINT algorithm);
UINT _nx_crypto_hmac_hash_update(VOID *context, UCHAR *input, UINT input_length);
UINT _nx_crypto_hmac_hash_digest_calculate(VOID *context, UCHAR *digest, UINT algorithm);
UINT _nx_crypto_method_hmac_init(struct NX_CRYPTO_METHOD_STRUCT *method,
UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits,
VOID **handle,
VOID *crypto_metadata,
ULONG crypto_metadata_size);
UINT _nx_crypto_method_hmac_cleanup(VOID *crypto_metadata);
UINT _nx_crypto_method_hmac_operation(UINT op, /* Encrypt, Decrypt, Authenticate */
VOID *handle, /* Crypto handler */
struct NX_CRYPTO_METHOD_STRUCT *method,
UCHAR *key,
NX_CRYPTO_KEY_SIZE key_size_in_bits,
UCHAR *input,
ULONG input_length_in_byte,
UCHAR *iv_ptr,
UCHAR *output,
ULONG output_length_in_byte,
VOID *crypto_metadata,
ULONG crypto_metadata_size,
VOID *packet_ptr,
VOID (*nx_crypto_hw_process_callback)(VOID *packet_ptr, UINT status));
#ifdef __cplusplus
}
#endif
#endif /* NX_CRYPTO_HAMC_H */
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