Willie Solano / mbedtls-slave-prot-prod

mbed TLS Build

Dependents:   Slave-prot-prod

include/mbedtls/xtea.h@1:1a219dea6cb5, 2019-06-04 (annotated)

Committer:
williequesada
Date:
Tue Jun 04 16:03:38 2019 +0000
Revision:
1:1a219dea6cb5
Parent:
0:cdf462088d13 
compartir a Pablo

Who changed what in which revision?

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markrad 0:cdf462088d13 1 /**
markrad 0:cdf462088d13 2 * \file xtea.h
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * \brief XTEA block cipher (32-bit)
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_XTEA_H
markrad 0:cdf462088d13 24 #define MBEDTLS_XTEA_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 #include <stdint.h>
markrad 0:cdf462088d13 34
markrad 0:cdf462088d13 35 #define MBEDTLS_XTEA_ENCRYPT 1
markrad 0:cdf462088d13 36 #define MBEDTLS_XTEA_DECRYPT 0
markrad 0:cdf462088d13 37
markrad 0:cdf462088d13 38 #define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 /**< The data input has an invalid length. */
markrad 0:cdf462088d13 39
markrad 0:cdf462088d13 40 #if !defined(MBEDTLS_XTEA_ALT)
markrad 0:cdf462088d13 41 // Regular implementation
markrad 0:cdf462088d13 42 //
markrad 0:cdf462088d13 43
markrad 0:cdf462088d13 44 #ifdef __cplusplus
markrad 0:cdf462088d13 45 extern "C" {
markrad 0:cdf462088d13 46 #endif
markrad 0:cdf462088d13 47
markrad 0:cdf462088d13 48 /**
markrad 0:cdf462088d13 49 * \brief XTEA context structure
markrad 0:cdf462088d13 50 */
markrad 0:cdf462088d13 51 typedef struct
markrad 0:cdf462088d13 52 {
markrad 0:cdf462088d13 53 uint32_t k[4]; /*!< key */
markrad 0:cdf462088d13 54 }
markrad 0:cdf462088d13 55 mbedtls_xtea_context;
markrad 0:cdf462088d13 56
markrad 0:cdf462088d13 57 /**
markrad 0:cdf462088d13 58 * \brief Initialize XTEA context
markrad 0:cdf462088d13 59 *
markrad 0:cdf462088d13 60 * \param ctx XTEA context to be initialized
markrad 0:cdf462088d13 61 */
markrad 0:cdf462088d13 62 void mbedtls_xtea_init( mbedtls_xtea_context *ctx );
markrad 0:cdf462088d13 63
markrad 0:cdf462088d13 64 /**
markrad 0:cdf462088d13 65 * \brief Clear XTEA context
markrad 0:cdf462088d13 66 *
markrad 0:cdf462088d13 67 * \param ctx XTEA context to be cleared
markrad 0:cdf462088d13 68 */
markrad 0:cdf462088d13 69 void mbedtls_xtea_free( mbedtls_xtea_context *ctx );
markrad 0:cdf462088d13 70
markrad 0:cdf462088d13 71 /**
markrad 0:cdf462088d13 72 * \brief XTEA key schedule
markrad 0:cdf462088d13 73 *
markrad 0:cdf462088d13 74 * \param ctx XTEA context to be initialized
markrad 0:cdf462088d13 75 * \param key the secret key
markrad 0:cdf462088d13 76 */
markrad 0:cdf462088d13 77 void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] );
markrad 0:cdf462088d13 78
markrad 0:cdf462088d13 79 /**
markrad 0:cdf462088d13 80 * \brief XTEA cipher function
markrad 0:cdf462088d13 81 *
markrad 0:cdf462088d13 82 * \param ctx XTEA context
markrad 0:cdf462088d13 83 * \param mode MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT
markrad 0:cdf462088d13 84 * \param input 8-byte input block
markrad 0:cdf462088d13 85 * \param output 8-byte output block
markrad 0:cdf462088d13 86 *
markrad 0:cdf462088d13 87 * \return 0 if successful
markrad 0:cdf462088d13 88 */
markrad 0:cdf462088d13 89 int mbedtls_xtea_crypt_ecb( mbedtls_xtea_context *ctx,
markrad 0:cdf462088d13 90 int mode,
markrad 0:cdf462088d13 91 const unsigned char input[8],
markrad 0:cdf462088d13 92 unsigned char output[8] );
markrad 0:cdf462088d13 93
markrad 0:cdf462088d13 94 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 95 /**
markrad 0:cdf462088d13 96 * \brief XTEA CBC cipher function
markrad 0:cdf462088d13 97 *
markrad 0:cdf462088d13 98 * \param ctx XTEA context
markrad 0:cdf462088d13 99 * \param mode MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT
markrad 0:cdf462088d13 100 * \param length the length of input, multiple of 8
markrad 0:cdf462088d13 101 * \param iv initialization vector for CBC mode
markrad 0:cdf462088d13 102 * \param input input block
markrad 0:cdf462088d13 103 * \param output output block
markrad 0:cdf462088d13 104 *
markrad 0:cdf462088d13 105 * \return 0 if successful,
markrad 0:cdf462088d13 106 * MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH if the length % 8 != 0
markrad 0:cdf462088d13 107 */
markrad 0:cdf462088d13 108 int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx,
markrad 0:cdf462088d13 109 int mode,
markrad 0:cdf462088d13 110 size_t length,
markrad 0:cdf462088d13 111 unsigned char iv[8],
markrad 0:cdf462088d13 112 const unsigned char *input,
markrad 0:cdf462088d13 113 unsigned char *output);
markrad 0:cdf462088d13 114 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 115
markrad 0:cdf462088d13 116 #ifdef __cplusplus
markrad 0:cdf462088d13 117 }
markrad 0:cdf462088d13 118 #endif
markrad 0:cdf462088d13 119
markrad 0:cdf462088d13 120 #else /* MBEDTLS_XTEA_ALT */
markrad 0:cdf462088d13 121 #include "xtea_alt.h"
markrad 0:cdf462088d13 122 #endif /* MBEDTLS_XTEA_ALT */
markrad 0:cdf462088d13 123
markrad 0:cdf462088d13 124 #ifdef __cplusplus
markrad 0:cdf462088d13 125 extern "C" {
markrad 0:cdf462088d13 126 #endif
markrad 0:cdf462088d13 127
markrad 0:cdf462088d13 128 /**
markrad 0:cdf462088d13 129 * \brief Checkup routine
markrad 0:cdf462088d13 130 *
markrad 0:cdf462088d13 131 * \return 0 if successful, or 1 if the test failed
markrad 0:cdf462088d13 132 */
markrad 0:cdf462088d13 133 int mbedtls_xtea_self_test( int verbose );
markrad 0:cdf462088d13 134
markrad 0:cdf462088d13 135 #ifdef __cplusplus
markrad 0:cdf462088d13 136 }
markrad 0:cdf462088d13 137 #endif
markrad 0:cdf462088d13 138
markrad 0:cdf462088d13 139 #endif /* xtea.h */