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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 */
/** */
/** CBC Mode */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* nx_crypto_cbc.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic Application Interface (API) to the */
/* NetX Crypto CBC module. */
/* */
/* 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_CBC_H
#define NX_CRYPTO_CBC_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_CBC_MAX_BLOCK_SIZE
#define NX_CRYPTO_CBC_MAX_BLOCK_SIZE 16
#endif /* NX_CRYPTO_CBC_MAX_BLOCK_SIZE */
typedef struct NX_CRYPTO_CBC_STRUCT
{
/* Initial Vector for next round. */
UCHAR nx_crypto_cbc_last_block[NX_CRYPTO_CBC_MAX_BLOCK_SIZE];
} NX_CRYPTO_CBC;
NX_CRYPTO_KEEP UINT _nx_crypto_cbc_encrypt(VOID *crypto_metadata, NX_CRYPTO_CBC *cbc_metadata,
UINT (*crypto_function)(VOID *, UCHAR *, UCHAR *, UINT),
UCHAR *input, UCHAR *output, UINT length, UCHAR block_size);
NX_CRYPTO_KEEP UINT _nx_crypto_cbc_decrypt(VOID *crypto_metadata, NX_CRYPTO_CBC *cbc_metadata,
UINT (*crypto_function)(VOID *, UCHAR *, UCHAR *, UINT),
UCHAR *input, UCHAR *output, UINT length, UCHAR block_size);
NX_CRYPTO_KEEP UINT _nx_crypto_cbc_encrypt_init(NX_CRYPTO_CBC *cbc_metadata, UCHAR *iv, UINT iv_len);
#define _nx_crypto_cbc_decrypt_init _nx_crypto_cbc_encrypt_init
#ifdef __cplusplus
}
#endif
#endif /* NX_CRYPTO_CBC_H */