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
|
/*
* Copyright � 2006-2013 SplinterGU (Fenix/Bennugd)
*
* This file is part of Bennu - Game Development
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*/
#ifndef __B_CRYPT_H
#define __B_CRYPT_H
/* ------------------------------------------------------------------------- */
#ifdef USE_LIBDES
#include <des.h>
#define DES_key_schedule des_key_schedule
#define DES_key_sched key_sched
#define DES_ecb_encrypt des_ecb_encrypt
#define DES_cblock des_cblock
#else
#include <openssl/des.h>
#endif
/* ------------------------------------------------------------------------- */
enum {
CRYPT_NONE = 0,
CRYPT_DES,
CRYPT_3DES
};
enum {
KEY0 = 0,
KEY1,
KEY2,
MAX_KEYS
};
/* ------------------------------------------------------------------------- */
typedef struct
{
int method;
DES_key_schedule ks[MAX_KEYS];
} crypt_handle;
/* ------------------------------------------------------------------------- */
extern crypt_handle * crypt_create( int method, char * key );
extern void crypt_destroy( crypt_handle * ch );
extern int crypt_data( crypt_handle * ch, char * in, char * out, int size, int enc );
/* ------------------------------------------------------------------------- */
#endif
|
