Sandbox::https://github.com/zdevt/cpp_code/blob/master/scecret.cpp

Visitar URL original

cpp_code/scecret.cpp at master · zdevt/cpp_code · GitHub

Repository navigation

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

/*

* =====================================================================================

*

* Filename: scecret.c

*

* Description:

*

* Version: 1.0

* Created: 2015年04月27日 08时59分48秒

* Revision: none

* Compiler: gcc

*

* Author: zt (),

* Organization:

*

* =====================================================================================

*/

#include <stdio.h>

#include <stdlib.h>

#define XOR_MASK (0xa0)

#define XOR_MASK2 (0x05)

void decEnc ( unsigned char* data, unsigned int len )

{

unsigned char* p = data;

for ( unsigned int i = 0; i < len; i++ )

{

* ( p + i ) = * ( p + i ) ^ ( 0xa0 );

* ( p + i ) = * ( p + i ) ^ ( 0x05 );

}

}

int main ( int argc, char* argv[] )

{

unsigned char buffer[10] = { 1, 3, 2, 6, 7, 0x11, 0x22, 0x44, 0x67, 0xf0};

for ( int i = 0; i < 10 ; ++i )

printf ( "%02x ", buffer[i] );

printf ( "\n" );

decEnc ( buffer, 10 );

for ( int i = 0; i < 10 ; ++i )

printf ( "%02x ", buffer[i] );

printf ( "\n" );

decEnc ( buffer, 10 );

for ( int i = 0; i < 10 ; ++i )

printf ( "%02x ", buffer[i] );

printf ( "\n" );

return 0;

}