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xtea.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
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.
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48 */
49#ifndef MBEDTLS_XTEA_H
50#define MBEDTLS_XTEA_H
51
52#if !defined(MBEDTLS_CONFIG_FILE)
53#include "config.h"
54#else
55#include MBEDTLS_CONFIG_FILE
56#endif
57
58#include <stddef.h>
59#include <stdint.h>
60
61#define MBEDTLS_XTEA_ENCRYPT 1
62#define MBEDTLS_XTEA_DECRYPT 0
63
64#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028
66/* MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED is deprecated and should not be used. */
67#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029
69#ifdef __cplusplus
70extern "C" {
71#endif
72
73#if !defined(MBEDTLS_XTEA_ALT)
74// Regular implementation
75//
76
81{
83}
85
86#else /* MBEDTLS_XTEA_ALT */
87#include "xtea_alt.h"
88#endif /* MBEDTLS_XTEA_ALT */
89
96
103
110void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] );
111
123 int mode,
124 const unsigned char input[8],
125 unsigned char output[8] );
126
127#if defined(MBEDTLS_CIPHER_MODE_CBC)
142 int mode,
143 size_t length,
144 unsigned char iv[8],
145 const unsigned char *input,
146 unsigned char *output);
147#endif /* MBEDTLS_CIPHER_MODE_CBC */
148
149#if defined(MBEDTLS_SELF_TEST)
150
156int mbedtls_xtea_self_test( int verbose );
157
158#endif /* MBEDTLS_SELF_TEST */
159
160#ifdef __cplusplus
161}
162#endif
163
164#endif /* xtea.h */
UINT32 uint32_t
Definition: types.h:75
GLenum mode
Definition: glext.h:6217
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLenum GLenum GLenum input
Definition: glext.h:9031
#define verbose
Definition: rosglue.h:36
Definition: copy.c:22
XTEA context structure.
Definition: xtea.h:81
uint32_t k[4]
Definition: xtea.h:82
void mbedtls_xtea_setup(mbedtls_xtea_context *ctx, const unsigned char key[16])
XTEA key schedule.
void mbedtls_xtea_free(mbedtls_xtea_context *ctx)
Clear XTEA context.
int mbedtls_xtea_crypt_ecb(mbedtls_xtea_context *ctx, int mode, const unsigned char input[8], unsigned char output[8])
XTEA cipher function.
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.
void mbedtls_xtea_init(mbedtls_xtea_context *ctx)
Initialize XTEA context.