cedc.~h

一个用DES做的加/解密代码

//---------------------------------------------------------------------------

#ifndef CEDCH
#define CEDCH
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include <Buttons.hpp>
#include <Dialogs.hpp>
#include <ExtCtrls.hpp>
//---------------------------------------------------------------------------
class TEDCForm : public TForm
{
__published:	// IDE-managed Components
    TEdit *Edit1;
    TLabel *Label1;
    TEdit *Edit2;
    TLabel *Label2;
    TBitBtn *BitBtn1;
    TOpenDialog *OpenDialog1;
    TBitBtn *BitBtn2;
    TLabel *Label4;
    TBevel *Bevel1;
    TBevel *Bevel2;
    TBevel *Bevel4;
    TLabel *Label5;
    void __fastcall BitBtn1Click(TObject *Sender);
    void __fastcall Edit1Change(TObject *Sender);
    void __fastcall BitBtn2Click(TObject *Sender);
    void __fastcall Edit1DblClick(TObject *Sender);
private:	// User declarations
public:		// User declarations
    __fastcall TEDCForm(TComponent* Owner);
    void __fastcall key_get();
    void __fastcall desinit(char *key);
    void __fastcall perminit(char perm[16][16][8],char p[64]);
    void __fastcall sinit();
    void __fastcall iter(int num,char *inblock,char *outblock);
    void __fastcall f(char *right,int num,char *fret);
    void __fastcall perm32(char *inblock,char *outblock);
    void __fastcall expand(char *right,char *bigright);
    void __fastcall contract(char *in48,char *out32);
    int __fastcall pfile();
    void __fastcall deout(char *block,char flag);
    int __fastcall garbage();
    void __fastcall endes(char *inblock,char*outblock);
    void __fastcall dedes(char *inblock,char *outblock);
    void __fastcall permute(char *inblock,char perm[16][16][8],char *outblock);
    void __fastcall kinit(char *key);
    void __fastcall p32init();
    int __fastcall getcomp(int k,int v);
    };
//---------------------------------------------------------------------------
extern PACKAGE TEDCForm *EDCForm;
//---------------------------------------------------------------------------
#endif