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
|
#ifndef _DES_H
#define _DES_H
#ifndef uint8
#define uint8 unsigned char
#endif
#ifndef uint32
#define uint32 unsigned long int
#endif
typedef struct
{
uint32 esk[32]; /* DES encryption subkeys */
uint32 dsk[32]; /* DES decryption subkeys */
}
des_context;
typedef struct
{
uint32 esk[96]; /* Triple-DES encryption subkeys */
uint32 dsk[96]; /* Triple-DES decryption subkeys */
}
des3_context;
#ifdef __cplusplus
extern "C" {
#endif
int des_set_key( des_context *ctx, const uint8 key[8] );
void des_encrypt( des_context *ctx, const uint8 input[8], uint8 output[8] );
void des_decrypt( des_context *ctx, const uint8 input[8], uint8 output[8] );
int des3_set_2keys( des3_context *ctx, const uint8 key1[8], const uint8 key2[8] );
int des3_set_3keys( des3_context *ctx, const uint8 key1[8], const uint8 key2[8], const uint8 key3[8] );
void des3_encrypt( des3_context *ctx, const uint8 input[8], uint8 output[8] );
void des3_decrypt( des3_context *ctx, const uint8 input[8], uint8 output[8] );
#ifdef __cplusplus
}
#endif
#endif /* des.h */
|
