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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 SHA256 Digest Algorithm (SHA256) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* nx_crypto_hmac_sha1.h PORTABLE C */
/* 6.4.3 */
/* */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the NetX HMAC SHA256 algorithm, derived from */
/* RFC2202. From a user-specified number of input bytes and key, this */
/* produces a 32-byte (256-bit) digest or sometimes called a hash */
/* value. The resulting digest is returned in a 32-byte array supplied */
/* by the caller. */
/* */
/* It is assumed that nx_api.h and nx_port.h have already been */
/* included. */
/* */
/**************************************************************************/
#ifndef NX_HMAC_SHA2_H
#define NX_HMAC_SHA2_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 "nx_crypto.h"
#include "nx_crypto_sha2.h"
#include "nx_crypto_hmac.h"
#define NX_CRYPTO_HMAC_SHA256_KEY_LEN_IN_BITS 256
#define NX_CRYPTO_HMAC_SHA224_ICV_FULL_LEN_IN_BITS NX_CRYPTO_SHA224_ICV_LEN_IN_BITS
#define NX_CRYPTO_HMAC_SHA256_ICV_FULL_LEN_IN_BITS NX_CRYPTO_SHA256_ICV_LEN_IN_BITS
/* Define the control block structure for backward compatibility. */
#define NX_SHA256_HMAC NX_CRYPTO_SHA256_HMAC
typedef struct NX_CRYPTO_SHA256_HMAC_STRUCT
{
NX_CRYPTO_SHA256 nx_sha256_hmac_context;
NX_CRYPTO_HMAC nx_sha256_hmac_metadata;
} NX_CRYPTO_SHA256_HMAC;
/* Define the function prototypes for HMAC SHA256. */
UINT _nx_crypto_method_hmac_sha256_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_sha256_cleanup(VOID *crypto_metadata);
UINT _nx_crypto_method_hmac_sha256_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));
#endif
#ifdef __cplusplus
}
#endif
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