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#ifndef _DES_H_ | |
#define _DES_H_ | |
#define DES_DEBUG | |
/** | |
* Permuted Choice 1 | |
*/ | |
static unsigned char pc_1[] = { | |
57, 49, 41, 33, 25, 17, 9, | |
1, 58, 50, 42, 34, 26, 18, | |
10, 2, 59, 51, 43, 35, 27, | |
19, 11, 3, 60, 52, 44, 36, | |
63, 55, 47, 39, 31, 23, 15, | |
7, 62, 54, 46, 38, 30, 22, | |
14, 6, 61, 53, 45, 37, 29, | |
21, 13, 5, 28, 20, 12, 4 | |
}; | |
/** | |
* Permuted Choice 2 | |
*/ | |
static unsigned char pc_2[] = { | |
14 ,17 ,11 ,24 ,1 ,5, | |
3 ,28 ,15 ,6 ,21 ,10, | |
23 ,19 ,12 ,4 ,26 ,8, | |
16 ,7 ,27 ,20 ,13 ,2, | |
41 ,52 ,31 ,37 ,47 ,55, | |
30 ,40 ,51 ,45 ,33 ,48, | |
44 ,49 ,39 ,56 ,34 ,53, | |
46 ,42 ,50 ,36 ,29 ,32 | |
}; | |
const unsigned char left_shifts[] = { | |
1, 1, 2, 2, 2, 2, 2, 2, | |
1, 2, 2, 2, 2, 2, 2, 1 | |
}; | |
#endif |
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