Willie Solano / mbedtls-slave-prot-prod

mbed TLS Build

Dependents:   Slave-prot-prod

include/mbedtls/arc4.h@0:cdf462088d13, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:18:44 2017 +0000
Revision:
0:cdf462088d13
Initial commit

Who changed what in which revision?

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markrad 0:cdf462088d13 1 /**
markrad 0:cdf462088d13 2 * \file arc4.h
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * \brief The ARCFOUR stream cipher
markrad 0:cdf462088d13 5 *
markrad 0:cdf462088d13 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
markrad 0:cdf462088d13 7 * SPDX-License-Identifier: Apache-2.0
markrad 0:cdf462088d13 8 *
markrad 0:cdf462088d13 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may
markrad 0:cdf462088d13 10 * not use this file except in compliance with the License.
markrad 0:cdf462088d13 11 * You may obtain a copy of the License at
markrad 0:cdf462088d13 12 *
markrad 0:cdf462088d13 13 * http://www.apache.org/licenses/LICENSE-2.0
markrad 0:cdf462088d13 14 *
markrad 0:cdf462088d13 15 * Unless required by applicable law or agreed to in writing, software
markrad 0:cdf462088d13 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
markrad 0:cdf462088d13 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
markrad 0:cdf462088d13 18 * See the License for the specific language governing permissions and
markrad 0:cdf462088d13 19 * limitations under the License.
markrad 0:cdf462088d13 20 *
markrad 0:cdf462088d13 21 * This file is part of mbed TLS (https://tls.mbed.org)
markrad 0:cdf462088d13 22 */
markrad 0:cdf462088d13 23 #ifndef MBEDTLS_ARC4_H
markrad 0:cdf462088d13 24 #define MBEDTLS_ARC4_H
markrad 0:cdf462088d13 25
markrad 0:cdf462088d13 26 #if !defined(MBEDTLS_CONFIG_FILE)
markrad 0:cdf462088d13 27 #include "config.h"
markrad 0:cdf462088d13 28 #else
markrad 0:cdf462088d13 29 #include MBEDTLS_CONFIG_FILE
markrad 0:cdf462088d13 30 #endif
markrad 0:cdf462088d13 31
markrad 0:cdf462088d13 32 #include <stddef.h>
markrad 0:cdf462088d13 33
markrad 0:cdf462088d13 34 #if !defined(MBEDTLS_ARC4_ALT)
markrad 0:cdf462088d13 35 // Regular implementation
markrad 0:cdf462088d13 36 //
markrad 0:cdf462088d13 37
markrad 0:cdf462088d13 38 #ifdef __cplusplus
markrad 0:cdf462088d13 39 extern "C" {
markrad 0:cdf462088d13 40 #endif
markrad 0:cdf462088d13 41
markrad 0:cdf462088d13 42 /**
markrad 0:cdf462088d13 43 * \brief ARC4 context structure
markrad 0:cdf462088d13 44 */
markrad 0:cdf462088d13 45 typedef struct
markrad 0:cdf462088d13 46 {
markrad 0:cdf462088d13 47 int x; /*!< permutation index */
markrad 0:cdf462088d13 48 int y; /*!< permutation index */
markrad 0:cdf462088d13 49 unsigned char m[256]; /*!< permutation table */
markrad 0:cdf462088d13 50 }
markrad 0:cdf462088d13 51 mbedtls_arc4_context;
markrad 0:cdf462088d13 52
markrad 0:cdf462088d13 53 /**
markrad 0:cdf462088d13 54 * \brief Initialize ARC4 context
markrad 0:cdf462088d13 55 *
markrad 0:cdf462088d13 56 * \param ctx ARC4 context to be initialized
markrad 0:cdf462088d13 57 */
markrad 0:cdf462088d13 58 void mbedtls_arc4_init( mbedtls_arc4_context *ctx );
markrad 0:cdf462088d13 59
markrad 0:cdf462088d13 60 /**
markrad 0:cdf462088d13 61 * \brief Clear ARC4 context
markrad 0:cdf462088d13 62 *
markrad 0:cdf462088d13 63 * \param ctx ARC4 context to be cleared
markrad 0:cdf462088d13 64 */
markrad 0:cdf462088d13 65 void mbedtls_arc4_free( mbedtls_arc4_context *ctx );
markrad 0:cdf462088d13 66
markrad 0:cdf462088d13 67 /**
markrad 0:cdf462088d13 68 * \brief ARC4 key schedule
markrad 0:cdf462088d13 69 *
markrad 0:cdf462088d13 70 * \param ctx ARC4 context to be setup
markrad 0:cdf462088d13 71 * \param key the secret key
markrad 0:cdf462088d13 72 * \param keylen length of the key, in bytes
markrad 0:cdf462088d13 73 */
markrad 0:cdf462088d13 74 void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
markrad 0:cdf462088d13 75 unsigned int keylen );
markrad 0:cdf462088d13 76
markrad 0:cdf462088d13 77 /**
markrad 0:cdf462088d13 78 * \brief ARC4 cipher function
markrad 0:cdf462088d13 79 *
markrad 0:cdf462088d13 80 * \param ctx ARC4 context
markrad 0:cdf462088d13 81 * \param length length of the input data
markrad 0:cdf462088d13 82 * \param input buffer holding the input data
markrad 0:cdf462088d13 83 * \param output buffer for the output data
markrad 0:cdf462088d13 84 *
markrad 0:cdf462088d13 85 * \return 0 if successful
markrad 0:cdf462088d13 86 */
markrad 0:cdf462088d13 87 int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
markrad 0:cdf462088d13 88 unsigned char *output );
markrad 0:cdf462088d13 89
markrad 0:cdf462088d13 90 #ifdef __cplusplus
markrad 0:cdf462088d13 91 }
markrad 0:cdf462088d13 92 #endif
markrad 0:cdf462088d13 93
markrad 0:cdf462088d13 94 #else /* MBEDTLS_ARC4_ALT */
markrad 0:cdf462088d13 95 #include "arc4_alt.h"
markrad 0:cdf462088d13 96 #endif /* MBEDTLS_ARC4_ALT */
markrad 0:cdf462088d13 97
markrad 0:cdf462088d13 98 #ifdef __cplusplus
markrad 0:cdf462088d13 99 extern "C" {
markrad 0:cdf462088d13 100 #endif
markrad 0:cdf462088d13 101
markrad 0:cdf462088d13 102 /**
markrad 0:cdf462088d13 103 * \brief Checkup routine
markrad 0:cdf462088d13 104 *
markrad 0:cdf462088d13 105 * \return 0 if successful, or 1 if the test failed
markrad 0:cdf462088d13 106 */
markrad 0:cdf462088d13 107 int mbedtls_arc4_self_test( int verbose );
markrad 0:cdf462088d13 108
markrad 0:cdf462088d13 109 #ifdef __cplusplus
markrad 0:cdf462088d13 110 }
markrad 0:cdf462088d13 111 #endif
markrad 0:cdf462088d13 112
markrad 0:cdf462088d13 113 #endif /* arc4.h */