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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Crypto Component */
/** */
/** 3DES Encryption Standard (Triple DES) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* nx_crypto_3des.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the NetX 3DES encryption algorithm. */
/* It is assumed that nx_api.h and nx_port.h have already been */
/* included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Timothy Stapko Initial Version 6.0 */
/* 09-30-2020 Timothy Stapko Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
#ifndef _NX_CRYPTO_3DES_H_
#define _NX_CRYPTO_3DES_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_des.h"
#include "nx_crypto_cbc.h"
#define NX_CRYPTO_3DES_KEY_LEN_IN_BITS 192
#define NX_CRYPTO_3DES_BLOCK_SIZE_IN_BITS 64
#define NX_CRYPTO_3DES_IV_LEN_IN_BITS 64
UINT _nx_crypto_method_3des_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_3des_cleanup(VOID *crypto_metadata);
UINT _nx_crypto_method_3des_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));
/* Define the 3DES context structure. */
typedef struct NX_CRYPTO_3DES_STRUCT
{
NX_CRYPTO_DES des_1;
NX_CRYPTO_DES des_2;
NX_CRYPTO_DES des_3;
NX_CRYPTO_CBC nx_crypto_cbc_context;
} NX_CRYPTO_3DES;
/* Define the function prototypes for DES. */
UINT _nx_crypto_3des_key_set(NX_CRYPTO_3DES * context, UCHAR key[24]);
UINT _nx_crypto_3des_encrypt(NX_CRYPTO_3DES * context, UCHAR source[8], UCHAR destination[8], UINT length);
UINT _nx_crypto_3des_decrypt(NX_CRYPTO_3DES * context, UCHAR source[8], UCHAR destination[8], UINT length);
#ifdef __cplusplus
}
#endif
#endif
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