mbed TLS v2.16.7
include
mbedtls
xtea.h
Go to the documentation of this file.
1
6
/*
7
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9
*
10
* This file is provided under the Apache License 2.0, or the
11
* GNU General Public License v2.0 or later.
12
*
13
* **********
14
* Apache License 2.0:
15
*
16
* Licensed under the Apache License, Version 2.0 (the "License"); you may
17
* not use this file except in compliance with the License.
18
* You may obtain a copy of the License at
19
*
20
* http://www.apache.org/licenses/LICENSE-2.0
21
*
22
* Unless required by applicable law or agreed to in writing, software
23
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25
* See the License for the specific language governing permissions and
26
* limitations under the License.
27
*
28
* **********
29
*
30
* **********
31
* GNU General Public License v2.0 or later:
32
*
33
* This program is free software; you can redistribute it and/or modify
34
* it under the terms of the GNU General Public License as published by
35
* the Free Software Foundation; either version 2 of the License, or
36
* (at your option) any later version.
37
*
38
* This program is distributed in the hope that it will be useful,
39
* but WITHOUT ANY WARRANTY; without even the implied warranty of
40
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41
* GNU General Public License for more details.
42
*
43
* You should have received a copy of the GNU General Public License along
44
* with this program; if not, write to the Free Software Foundation, Inc.,
45
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
46
*
47
* **********
48
*
49
* This file is part of mbed TLS (https://tls.mbed.org)
50
*/
51
#ifndef MBEDTLS_XTEA_H
52
#define MBEDTLS_XTEA_H
53
54
#if !defined(MBEDTLS_CONFIG_FILE)
55
#include "
config.h
"
56
#else
57
#include MBEDTLS_CONFIG_FILE
58
#endif
59
60
#include <stddef.h>
61
#include <stdint.h>
62
63
#define MBEDTLS_XTEA_ENCRYPT 1
64
#define MBEDTLS_XTEA_DECRYPT 0
65
66
#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028
68
/* MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED is deprecated and should not be used. */
69
#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029
71
#ifdef __cplusplus
72
extern
"C"
{
73
#endif
74
75
#if !defined(MBEDTLS_XTEA_ALT)
76
// Regular implementation
77
//
78
82
typedef
struct
mbedtls_xtea_context
83
{
84
uint32_t
k
[4];
85
}
86
mbedtls_xtea_context
;
87
88
#else
/* MBEDTLS_XTEA_ALT */
89
#include "xtea_alt.h"
90
#endif
/* MBEDTLS_XTEA_ALT */
91
97
void
mbedtls_xtea_init
(
mbedtls_xtea_context
*ctx );
98
104
void
mbedtls_xtea_free
(
mbedtls_xtea_context
*ctx );
105
112
void
mbedtls_xtea_setup
(
mbedtls_xtea_context
*ctx,
const
unsigned
char
key[16] );
113
124
int
mbedtls_xtea_crypt_ecb
(
mbedtls_xtea_context
*ctx,
125
int
mode,
126
const
unsigned
char
input[8],
127
unsigned
char
output[8] );
128
129
#if defined(MBEDTLS_CIPHER_MODE_CBC)
130
143
int
mbedtls_xtea_crypt_cbc
(
mbedtls_xtea_context
*ctx,
144
int
mode,
145
size_t
length,
146
unsigned
char
iv[8],
147
const
unsigned
char
*input,
148
unsigned
char
*output);
149
#endif
/* MBEDTLS_CIPHER_MODE_CBC */
150
151
#if defined(MBEDTLS_SELF_TEST)
152
158
int
mbedtls_xtea_self_test
(
int
verbose );
159
160
#endif
/* MBEDTLS_SELF_TEST */
161
162
#ifdef __cplusplus
163
}
164
#endif
165
166
#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:83
mbedtls_xtea_context::k
uint32_t k[4]
Definition:
xtea.h:84
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 Thu Aug 20 2020 00:00:00 for mbed TLS v2.16.7 by
1.8.18