mbed TLS v2.28.3
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arc4.h
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1
9/*
10 * Copyright The Mbed TLS Contributors
11 * SPDX-License-Identifier: Apache-2.0
12 *
13 * Licensed under the Apache License, Version 2.0 (the "License"); you may
14 * not use this file except in compliance with the License.
15 * You may obtain a copy of the License at
16 *
17 * http://www.apache.org/licenses/LICENSE-2.0
18 *
19 * Unless required by applicable law or agreed to in writing, software
20 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
21 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22 * See the License for the specific language governing permissions and
23 * limitations under the License.
24 *
25 */
26#ifndef MBEDTLS_ARC4_H
27#define MBEDTLS_ARC4_H
28
29#if !defined(MBEDTLS_CONFIG_FILE)
30#include "mbedtls/config.h"
31#else
32#include MBEDTLS_CONFIG_FILE
33#endif
34
35#include <stddef.h>
36
37/* MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED is deprecated and should not be used. */
39#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED -0x0019
40
41#ifdef __cplusplus
42extern "C" {
43#endif
44
45#if !defined(MBEDTLS_ARC4_ALT)
46// Regular implementation
47//
48
56typedef struct mbedtls_arc4_context {
57 int x;
58 int y;
59 unsigned char m[256];
60}
62
63#else /* MBEDTLS_ARC4_ALT */
64#include "arc4_alt.h"
65#endif /* MBEDTLS_ARC4_ALT */
66
78
90
103void mbedtls_arc4_setup(mbedtls_arc4_context *ctx, const unsigned char *key,
104 unsigned int keylen);
105
121int mbedtls_arc4_crypt(mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
122 unsigned char *output);
123
124#if defined(MBEDTLS_SELF_TEST)
125
136int mbedtls_arc4_self_test(int verbose);
137
138#endif /* MBEDTLS_SELF_TEST */
139
140#ifdef __cplusplus
141}
142#endif
143
144#endif /* arc4.h */
int mbedtls_arc4_crypt(mbedtls_arc4_context *ctx, size_t length, const unsigned char *input, unsigned char *output)
ARC4 cipher function.
void mbedtls_arc4_setup(mbedtls_arc4_context *ctx, const unsigned char *key, unsigned int keylen)
ARC4 key schedule.
void mbedtls_arc4_init(mbedtls_arc4_context *ctx)
Initialize ARC4 context.
void mbedtls_arc4_free(mbedtls_arc4_context *ctx)
Clear ARC4 context.
int mbedtls_arc4_self_test(int verbose)
Checkup routine.
Configuration options (set of defines)
ARC4 context structure.
Definition arc4.h:56
unsigned char m[256]
Definition arc4.h:59