#include?“stdio.h“
#include?“memory.h“
#include?“time.h“
#include?“stdlib.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

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????90624??2010-06-17?12:11??des程序說明報告.doc

?????文件??????12516??2010-06-17?01:49??DES\des3.c

?????文件??????33792??2010-06-17?02:02??DES\des3.ncb

?????文件???????3375??2010-06-17?01:06??DES\des3.dsp

?????文件???????1126??2010-06-17?01:49??DES\des3.plg

?????文件??????48640??2010-06-17?02:02??DES\des3.opt

?????目錄??????????0??2010-06-17?02:02??DES

?????文件?????????28??2010-06-17?01:14??測試文件以及運行結果\des2.txt

?????文件?????????32??2010-06-17?01:50??測試文件以及運行結果\2.txt

?????文件?????????28??2010-06-17?01:50??測試文件以及運行結果\3.txt

?????目錄??????????0??2010-06-17?02:03??測試文件以及運行結果

-----------?---------??----------?-----??----

???????????????190161????????????????????11