#include?“stdio.h“

#include?“time.h“

#include?“stdlib.h“

#include?“string.h“




#define?PLAIN_FILE_OPEN_ERROR?-1

#define?KEY_FILE_OPEN_ERROR?-2

#define?CIPHER_FILE_OPEN_ERROR?-3

#define?OK?1;

typedef?char?ElemType;

/*?初始置換表IP?*/

int?IP_Table[64]?=?{?57494133251791

595143352719113

615345372921135

635547393123157

56484032241680

585042342618102

605244362820124

625446383022146};

/*?逆初始置換表IP^-1?*/

int?IP_1_Table[64]?=?{397471555236331

386461454226230

375451353216129

364441252206028

353431151195927

342421050185826

33141949175725

32040848165624};


/*?擴充置換表E?*/

int?E_Table[48]?=?{31?0?1?2?3?4

3?4?5?6?7?8

7?89101112

111213141516

151617181920

192021222324

232425262728

2728293031?0};


/*?置換函數P?*/

int?P_Table[32]?=?{156192028112716

0142225417309

172313312628

18122952110324};


/*?S盒?*/

int?S[8][4][16]?=/*?S1?*/

{{{1441312151183106125907}

{0157414213110612119538}

{4114813621115129731050}

{1512824917511314100613}}

/*?S2?*/

{{1518146113497213120510}

{3134715281412011069115}

{0147111041315812693215}

{1381013154211671205149}}

/*?S3?*/

{{1009146315511312711428}

{1370934610285141211151}

{1364981530111212510147}

{1101306987415143115212}}

/*?S4?*/

{{7131430691012851112415}

{1381156150347212110149}

{1069012117131513145284}

{3150610113894511127214}}

/*?S5?*/

{{2124171011685315130149}

{1411212471315015103986}

{4211110137815912563014}

{1181271142136150910453}}

/*?S6?*/

{{1211015926801334147511}

{1015427129561131401138}

{9141552812370410113116}

{4321295151011141760813}}

/*?S7?*/

{{4112141508133129751061}

{1301174911014351221586}

{1411131237141015680592}

{6111381410795015142312}}

/*?S8?*/

{{1328461511110931450127}

{1151381037412561101492}

{7114191214206101315358}

{2114741081315129035611}}};

/*?置換選擇1?*/

int?PC_1[56]?=?{5648403224168

0574941332517

915850423426

1810259514335

62544638302214

6615345372921

1356052443628

201242719113};


/*?置換選擇2?*/

int?PC_2[48]?=?{1316102304227

1452092218113

2571562619121

4051303