Eric Tsai / mbedtls

Modified mbed TLS headers for AES functionality only to reduce build size

Dependents:   BLE_Gateway_Linker_fix BLE_Gateway

Fork of mbedtls by sandbox

mbedtls/arc4.h@5:f09f5ed830ca, 2017-07-10 (annotated)

Committer:
electronichamsters
Date:
Mon Jul 10 04:00:25 2017 +0000
Revision:
5:f09f5ed830ca
Parent:
1:24750b9ad5ef 
working gateway

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 1:24750b9ad5ef 1 /**
Christopher Haster 1:24750b9ad5ef 2 * \file arc4.h
Christopher Haster 1:24750b9ad5ef 3 *
Christopher Haster 1:24750b9ad5ef 4 * \brief The ARCFOUR stream cipher
Christopher Haster 1:24750b9ad5ef 5 *
Christopher Haster 1:24750b9ad5ef 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Christopher Haster 1:24750b9ad5ef 7 * SPDX-License-Identifier: Apache-2.0
Christopher Haster 1:24750b9ad5ef 8 *
Christopher Haster 1:24750b9ad5ef 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Christopher Haster 1:24750b9ad5ef 10 * not use this file except in compliance with the License.
Christopher Haster 1:24750b9ad5ef 11 * You may obtain a copy of the License at
Christopher Haster 1:24750b9ad5ef 12 *
Christopher Haster 1:24750b9ad5ef 13 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 1:24750b9ad5ef 14 *
Christopher Haster 1:24750b9ad5ef 15 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 1:24750b9ad5ef 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Christopher Haster 1:24750b9ad5ef 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 1:24750b9ad5ef 18 * See the License for the specific language governing permissions and
Christopher Haster 1:24750b9ad5ef 19 * limitations under the License.
Christopher Haster 1:24750b9ad5ef 20 *
Christopher Haster 1:24750b9ad5ef 21 * This file is part of mbed TLS (https://tls.mbed.org)
Christopher Haster 1:24750b9ad5ef 22 */
Christopher Haster 1:24750b9ad5ef 23 #ifndef MBEDTLS_ARC4_H
Christopher Haster 1:24750b9ad5ef 24 #define MBEDTLS_ARC4_H
Christopher Haster 1:24750b9ad5ef 25
Christopher Haster 1:24750b9ad5ef 26 #if !defined(MBEDTLS_CONFIG_FILE)
Christopher Haster 1:24750b9ad5ef 27 #include "config.h"
Christopher Haster 1:24750b9ad5ef 28 #else
Christopher Haster 1:24750b9ad5ef 29 #include MBEDTLS_CONFIG_FILE
Christopher Haster 1:24750b9ad5ef 30 #endif
Christopher Haster 1:24750b9ad5ef 31
Christopher Haster 1:24750b9ad5ef 32 #include <stddef.h>
Christopher Haster 1:24750b9ad5ef 33
Christopher Haster 1:24750b9ad5ef 34 #if !defined(MBEDTLS_ARC4_ALT)
Christopher Haster 1:24750b9ad5ef 35 // Regular implementation
Christopher Haster 1:24750b9ad5ef 36 //
Christopher Haster 1:24750b9ad5ef 37
Christopher Haster 1:24750b9ad5ef 38 #ifdef __cplusplus
Christopher Haster 1:24750b9ad5ef 39 extern "C" {
Christopher Haster 1:24750b9ad5ef 40 #endif
Christopher Haster 1:24750b9ad5ef 41
Christopher Haster 1:24750b9ad5ef 42 /**
Christopher Haster 1:24750b9ad5ef 43 * \brief ARC4 context structure
Christopher Haster 1:24750b9ad5ef 44 */
Christopher Haster 1:24750b9ad5ef 45 typedef struct
Christopher Haster 1:24750b9ad5ef 46 {
Christopher Haster 1:24750b9ad5ef 47 int x; /*!< permutation index */
Christopher Haster 1:24750b9ad5ef 48 int y; /*!< permutation index */
Christopher Haster 1:24750b9ad5ef 49 unsigned char m[256]; /*!< permutation table */
Christopher Haster 1:24750b9ad5ef 50 }
Christopher Haster 1:24750b9ad5ef 51 mbedtls_arc4_context;
Christopher Haster 1:24750b9ad5ef 52
Christopher Haster 1:24750b9ad5ef 53 /**
Christopher Haster 1:24750b9ad5ef 54 * \brief Initialize ARC4 context
Christopher Haster 1:24750b9ad5ef 55 *
Christopher Haster 1:24750b9ad5ef 56 * \param ctx ARC4 context to be initialized
Christopher Haster 1:24750b9ad5ef 57 */
Christopher Haster 1:24750b9ad5ef 58 void mbedtls_arc4_init( mbedtls_arc4_context *ctx );
Christopher Haster 1:24750b9ad5ef 59
Christopher Haster 1:24750b9ad5ef 60 /**
Christopher Haster 1:24750b9ad5ef 61 * \brief Clear ARC4 context
Christopher Haster 1:24750b9ad5ef 62 *
Christopher Haster 1:24750b9ad5ef 63 * \param ctx ARC4 context to be cleared
Christopher Haster 1:24750b9ad5ef 64 */
Christopher Haster 1:24750b9ad5ef 65 void mbedtls_arc4_free( mbedtls_arc4_context *ctx );
Christopher Haster 1:24750b9ad5ef 66
Christopher Haster 1:24750b9ad5ef 67 /**
Christopher Haster 1:24750b9ad5ef 68 * \brief ARC4 key schedule
Christopher Haster 1:24750b9ad5ef 69 *
Christopher Haster 1:24750b9ad5ef 70 * \param ctx ARC4 context to be setup
Christopher Haster 1:24750b9ad5ef 71 * \param key the secret key
Christopher Haster 1:24750b9ad5ef 72 * \param keylen length of the key, in bytes
Christopher Haster 1:24750b9ad5ef 73 */
Christopher Haster 1:24750b9ad5ef 74 void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
Christopher Haster 1:24750b9ad5ef 75 unsigned int keylen );
Christopher Haster 1:24750b9ad5ef 76
Christopher Haster 1:24750b9ad5ef 77 /**
Christopher Haster 1:24750b9ad5ef 78 * \brief ARC4 cipher function
Christopher Haster 1:24750b9ad5ef 79 *
Christopher Haster 1:24750b9ad5ef 80 * \param ctx ARC4 context
Christopher Haster 1:24750b9ad5ef 81 * \param length length of the input data
Christopher Haster 1:24750b9ad5ef 82 * \param input buffer holding the input data
Christopher Haster 1:24750b9ad5ef 83 * \param output buffer for the output data
Christopher Haster 1:24750b9ad5ef 84 *
Christopher Haster 1:24750b9ad5ef 85 * \return 0 if successful
Christopher Haster 1:24750b9ad5ef 86 */
Christopher Haster 1:24750b9ad5ef 87 int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
Christopher Haster 1:24750b9ad5ef 88 unsigned char *output );
Christopher Haster 1:24750b9ad5ef 89
Christopher Haster 1:24750b9ad5ef 90 #ifdef __cplusplus
Christopher Haster 1:24750b9ad5ef 91 }
Christopher Haster 1:24750b9ad5ef 92 #endif
Christopher Haster 1:24750b9ad5ef 93
Christopher Haster 1:24750b9ad5ef 94 #else /* MBEDTLS_ARC4_ALT */
Christopher Haster 1:24750b9ad5ef 95 #include "arc4_alt.h"
Christopher Haster 1:24750b9ad5ef 96 #endif /* MBEDTLS_ARC4_ALT */
Christopher Haster 1:24750b9ad5ef 97
Christopher Haster 1:24750b9ad5ef 98 #ifdef __cplusplus
Christopher Haster 1:24750b9ad5ef 99 extern "C" {
Christopher Haster 1:24750b9ad5ef 100 #endif
Christopher Haster 1:24750b9ad5ef 101
Christopher Haster 1:24750b9ad5ef 102 /**
Christopher Haster 1:24750b9ad5ef 103 * \brief Checkup routine
Christopher Haster 1:24750b9ad5ef 104 *
Christopher Haster 1:24750b9ad5ef 105 * \return 0 if successful, or 1 if the test failed
Christopher Haster 1:24750b9ad5ef 106 */
Christopher Haster 1:24750b9ad5ef 107 int mbedtls_arc4_self_test( int verbose );
Christopher Haster 1:24750b9ad5ef 108
Christopher Haster 1:24750b9ad5ef 109 #ifdef __cplusplus
Christopher Haster 1:24750b9ad5ef 110 }
Christopher Haster 1:24750b9ad5ef 111 #endif
Christopher Haster 1:24750b9ad5ef 112
Christopher Haster 1:24750b9ad5ef 113 #endif /* arc4.h */