Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbedtls/mbedtls/arc4.h@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

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mbedAustin 11:cada08fc8a70 1 /**
mbedAustin 11:cada08fc8a70 2 * \file arc4.h
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * \brief The ARCFOUR stream cipher
mbedAustin 11:cada08fc8a70 5 *
mbedAustin 11:cada08fc8a70 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
mbedAustin 11:cada08fc8a70 7 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 8 *
mbedAustin 11:cada08fc8a70 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
mbedAustin 11:cada08fc8a70 10 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 11 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 12 *
mbedAustin 11:cada08fc8a70 13 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 14 *
mbedAustin 11:cada08fc8a70 15 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 18 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 19 * limitations under the License.
mbedAustin 11:cada08fc8a70 20 *
mbedAustin 11:cada08fc8a70 21 * This file is part of mbed TLS (https://tls.mbed.org)
mbedAustin 11:cada08fc8a70 22 */
mbedAustin 11:cada08fc8a70 23 #ifndef MBEDTLS_ARC4_H
mbedAustin 11:cada08fc8a70 24 #define MBEDTLS_ARC4_H
mbedAustin 11:cada08fc8a70 25
mbedAustin 11:cada08fc8a70 26 #if !defined(MBEDTLS_CONFIG_FILE)
mbedAustin 11:cada08fc8a70 27 #include "config.h"
mbedAustin 11:cada08fc8a70 28 #else
mbedAustin 11:cada08fc8a70 29 #include MBEDTLS_CONFIG_FILE
mbedAustin 11:cada08fc8a70 30 #endif
mbedAustin 11:cada08fc8a70 31
mbedAustin 11:cada08fc8a70 32 #include <stddef.h>
mbedAustin 11:cada08fc8a70 33
mbedAustin 11:cada08fc8a70 34 #if !defined(MBEDTLS_ARC4_ALT)
mbedAustin 11:cada08fc8a70 35 // Regular implementation
mbedAustin 11:cada08fc8a70 36 //
mbedAustin 11:cada08fc8a70 37
mbedAustin 11:cada08fc8a70 38 #ifdef __cplusplus
mbedAustin 11:cada08fc8a70 39 extern "C" {
mbedAustin 11:cada08fc8a70 40 #endif
mbedAustin 11:cada08fc8a70 41
mbedAustin 11:cada08fc8a70 42 /**
mbedAustin 11:cada08fc8a70 43 * \brief ARC4 context structure
mbedAustin 11:cada08fc8a70 44 */
mbedAustin 11:cada08fc8a70 45 typedef struct
mbedAustin 11:cada08fc8a70 46 {
mbedAustin 11:cada08fc8a70 47 int x; /*!< permutation index */
mbedAustin 11:cada08fc8a70 48 int y; /*!< permutation index */
mbedAustin 11:cada08fc8a70 49 unsigned char m[256]; /*!< permutation table */
mbedAustin 11:cada08fc8a70 50 }
mbedAustin 11:cada08fc8a70 51 mbedtls_arc4_context;
mbedAustin 11:cada08fc8a70 52
mbedAustin 11:cada08fc8a70 53 /**
mbedAustin 11:cada08fc8a70 54 * \brief Initialize ARC4 context
mbedAustin 11:cada08fc8a70 55 *
mbedAustin 11:cada08fc8a70 56 * \param ctx ARC4 context to be initialized
mbedAustin 11:cada08fc8a70 57 */
mbedAustin 11:cada08fc8a70 58 void mbedtls_arc4_init( mbedtls_arc4_context *ctx );
mbedAustin 11:cada08fc8a70 59
mbedAustin 11:cada08fc8a70 60 /**
mbedAustin 11:cada08fc8a70 61 * \brief Clear ARC4 context
mbedAustin 11:cada08fc8a70 62 *
mbedAustin 11:cada08fc8a70 63 * \param ctx ARC4 context to be cleared
mbedAustin 11:cada08fc8a70 64 */
mbedAustin 11:cada08fc8a70 65 void mbedtls_arc4_free( mbedtls_arc4_context *ctx );
mbedAustin 11:cada08fc8a70 66
mbedAustin 11:cada08fc8a70 67 /**
mbedAustin 11:cada08fc8a70 68 * \brief ARC4 key schedule
mbedAustin 11:cada08fc8a70 69 *
mbedAustin 11:cada08fc8a70 70 * \param ctx ARC4 context to be setup
mbedAustin 11:cada08fc8a70 71 * \param key the secret key
mbedAustin 11:cada08fc8a70 72 * \param keylen length of the key, in bytes
mbedAustin 11:cada08fc8a70 73 */
mbedAustin 11:cada08fc8a70 74 void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
mbedAustin 11:cada08fc8a70 75 unsigned int keylen );
mbedAustin 11:cada08fc8a70 76
mbedAustin 11:cada08fc8a70 77 /**
mbedAustin 11:cada08fc8a70 78 * \brief ARC4 cipher function
mbedAustin 11:cada08fc8a70 79 *
mbedAustin 11:cada08fc8a70 80 * \param ctx ARC4 context
mbedAustin 11:cada08fc8a70 81 * \param length length of the input data
mbedAustin 11:cada08fc8a70 82 * \param input buffer holding the input data
mbedAustin 11:cada08fc8a70 83 * \param output buffer for the output data
mbedAustin 11:cada08fc8a70 84 *
mbedAustin 11:cada08fc8a70 85 * \return 0 if successful
mbedAustin 11:cada08fc8a70 86 */
mbedAustin 11:cada08fc8a70 87 int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
mbedAustin 11:cada08fc8a70 88 unsigned char *output );
mbedAustin 11:cada08fc8a70 89
mbedAustin 11:cada08fc8a70 90 #ifdef __cplusplus
mbedAustin 11:cada08fc8a70 91 }
mbedAustin 11:cada08fc8a70 92 #endif
mbedAustin 11:cada08fc8a70 93
mbedAustin 11:cada08fc8a70 94 #else /* MBEDTLS_ARC4_ALT */
mbedAustin 11:cada08fc8a70 95 #include "arc4_alt.h"
mbedAustin 11:cada08fc8a70 96 #endif /* MBEDTLS_ARC4_ALT */
mbedAustin 11:cada08fc8a70 97
mbedAustin 11:cada08fc8a70 98 #ifdef __cplusplus
mbedAustin 11:cada08fc8a70 99 extern "C" {
mbedAustin 11:cada08fc8a70 100 #endif
mbedAustin 11:cada08fc8a70 101
mbedAustin 11:cada08fc8a70 102 /**
mbedAustin 11:cada08fc8a70 103 * \brief Checkup routine
mbedAustin 11:cada08fc8a70 104 *
mbedAustin 11:cada08fc8a70 105 * \return 0 if successful, or 1 if the test failed
mbedAustin 11:cada08fc8a70 106 */
mbedAustin 11:cada08fc8a70 107 int mbedtls_arc4_self_test( int verbose );
mbedAustin 11:cada08fc8a70 108
mbedAustin 11:cada08fc8a70 109 #ifdef __cplusplus
mbedAustin 11:cada08fc8a70 110 }
mbedAustin 11:cada08fc8a70 111 #endif
mbedAustin 11:cada08fc8a70 112
mbedAustin 11:cada08fc8a70 113 #endif /* arc4.h */