1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* RC4 (de/en)crypt functions
*
* Copyright (C) 2017-2020, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#if !defined( _LIBFCRYPTO_RC4_CONTEXT_H )
#define _LIBFCRYPTO_RC4_CONTEXT_H
#include <common.h>
#include <types.h>
#include "libfcrypto_extern.h"
#include "libfcrypto_libcerror.h"
#include "libfcrypto_types.h"
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct libfcrypto_internal_rc4_context libfcrypto_internal_rc4_context_t;
struct libfcrypto_internal_rc4_context
{
/* The permutations table
*/
uint8_t permutations[ 256 ];
/* The permutations table indexes
*/
uint8_t index[ 2 ];
};
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_initialize(
libfcrypto_rc4_context_t **context,
libcerror_error_t **error );
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_free(
libfcrypto_rc4_context_t **context,
libcerror_error_t **error );
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_context_set_key(
libfcrypto_rc4_context_t *context,
const uint8_t *key,
size_t key_bit_size,
libcerror_error_t **error );
LIBFCRYPTO_EXTERN \
int libfcrypto_rc4_crypt(
libfcrypto_rc4_context_t *context,
const uint8_t *input_data,
size_t input_data_size,
uint8_t *output_data,
size_t output_data_size,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif /* !defined( _LIBFCRYPTO_RC4_CONTEXT_H ) */
|
