mbed TLS v2.16.11
include
mbedtls
xtea.h
Go to the documentation of this file.
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*
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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 2.0:
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* **********
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*/
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#ifndef MBEDTLS_XTEA_H
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#define MBEDTLS_XTEA_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "
config.h
"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#define MBEDTLS_XTEA_ENCRYPT 1
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#define MBEDTLS_XTEA_DECRYPT 0
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#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028
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/* MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED is deprecated and should not be used. */
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#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#if !defined(MBEDTLS_XTEA_ALT)
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// Regular implementation
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//
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typedef
struct
mbedtls_xtea_context
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{
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uint32_t
k
[4];
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}
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mbedtls_xtea_context
;
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#else
/* MBEDTLS_XTEA_ALT */
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#include "xtea_alt.h"
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#endif
/* MBEDTLS_XTEA_ALT */
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void
mbedtls_xtea_init
(
mbedtls_xtea_context
*ctx );
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void
mbedtls_xtea_free
(
mbedtls_xtea_context
*ctx );
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void
mbedtls_xtea_setup
(
mbedtls_xtea_context
*ctx,
const
unsigned
char
key[16] );
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int
mbedtls_xtea_crypt_ecb
(
mbedtls_xtea_context
*ctx,
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int
mode,
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const
unsigned
char
input[8],
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unsigned
char
output[8] );
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
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int
mbedtls_xtea_crypt_cbc
(
mbedtls_xtea_context
*ctx,
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int
mode,
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size_t
length,
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unsigned
char
iv[8],
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const
unsigned
char
*input,
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unsigned
char
*output);
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#endif
/* MBEDTLS_CIPHER_MODE_CBC */
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#if defined(MBEDTLS_SELF_TEST)
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int
mbedtls_xtea_self_test
(
int
verbose );
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#endif
/* MBEDTLS_SELF_TEST */
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#ifdef __cplusplus
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}
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#endif
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#endif
/* xtea.h */
mbedtls_xtea_context
struct mbedtls_xtea_context mbedtls_xtea_context
XTEA context structure.
mbedtls_xtea_setup
void mbedtls_xtea_setup(mbedtls_xtea_context *ctx, const unsigned char key[16])
XTEA key schedule.
mbedtls_xtea_init
void mbedtls_xtea_init(mbedtls_xtea_context *ctx)
Initialize XTEA context.
mbedtls_xtea_crypt_cbc
int mbedtls_xtea_crypt_cbc(mbedtls_xtea_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)
XTEA CBC cipher function.
mbedtls_xtea_self_test
int mbedtls_xtea_self_test(int verbose)
Checkup routine.
mbedtls_xtea_free
void mbedtls_xtea_free(mbedtls_xtea_context *ctx)
Clear XTEA context.
mbedtls_xtea_context
XTEA context structure.
Definition:
xtea.h:80
mbedtls_xtea_context::k
uint32_t k[4]
Definition:
xtea.h:82
config.h
Configuration options (set of defines)
mbedtls_xtea_crypt_ecb
int mbedtls_xtea_crypt_ecb(mbedtls_xtea_context *ctx, int mode, const unsigned char input[8], unsigned char output[8])
XTEA cipher function.
Generated on Mon Nov 15 2021 15:10:00 for mbed TLS v2.16.11 by
1.8.17