2、解密过程(JieMi.cpp)
// JieMi.cpp : implementation file
#include \#include \#include \
#ifdef _DEBUG
#define new DEBUG_NEW #undef THIS_FILE
static char THIS_FILE[] = __FILE__; #endif
#include \
// JieMi dialog
JieMi::JieMi(CWnd* pParent /*=NULL*/) : CDialog(JieMi::IDD, pParent) {
//{{AFX_DATA_INIT(JieMi) m_Mingwen = _T(\ m_Miwen = _T(\ m_Miyao = _T(\
m_outputMingwen = _T(\ //}}AFX_DATA_INIT }
void JieMi::DoDataExchange(CDataExchange* pDX) {
CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(JieMi)
DDX_Control(pDX, IDC_LIST1, m_output); DDX_Text(pDX, IDC_Mingwen, m_Mingwen); DDX_Text(pDX, IDC_Miwen, m_Miwen); DDX_Text(pDX, IDC_Miyao, m_Miyao);
DDX_Text(pDX, IDC_outMingwen, m_outputMingwen); //}}AFX_DATA_MAP }
BEGIN_MESSAGE_MAP(JieMi, CDialog) //{{AFX_MSG_MAP(JieMi)
ON_BN_CLICKED(IDC_back, Onback) ON_BN_CLICKED(IDC_JieMi, OnJieMi) //}}AFX_MSG_MAP END_MESSAGE_MAP()
// JieMi message handlers
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BOOL JieMi::OnInitDialog() {
CDialog::OnInitDialog();
m_output.ModifyStyle(0,LVS_REPORT); DWORD style= m_output.GetExStyle(); style=style^LVS_EX_CHECKBOXES;
m_output.SetExtendedStyle(style|LVS_EX_GRIDLINES|LVS_EX_FULLROWSELECT);
m_output.InsertColumn(0,\循环轮数\ m_output.InsertColumn(1,\子密钥\ m_output.InsertColumn(2,\左部(Li)\ m_output.InsertColumn(3,\右部(Ri)\ // TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE }
void JieMi::Onback() {
// TODO: Add your control notification handler code here ShowWindow(SW_HIDE); CDESDlg dlg; dlg.DoModal(); }
void JieMi::OnJieMi() {
// TODO: Add your control notification handler code here FILE *fp1,*fp2; int i,j,k; int str[8];
char miwen[8],miyao[8]; //存储从文件中读取的明文和密钥 int miwenB[64],miyaoB[64]; //存储64位二进制的明文和密钥 fp1=fopen(\ fp2=fopen(\ if(fp1==NULL||fp2==NULL) {
MessageBox(\明文和密钥文件打开失败!\ return; }
for(i=0;i<8;i++) {
fscanf(fp1,\ fscanf(fp2,\
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}
fclose(fp1); fclose(fp2); FILE *fp4,*fp5; char ch;
fp4=fopen(\密文二进制.txt\fp5=fopen(\密钥二进制.txt\k=0;
for(i=0;i<8;i++) {
ch=miwen[i]; for(j=0;j<8;j++) {
str[j]=ch%2; ch=ch/2; }
for(j=7;j>=0;j--) {
miwenB[k]=str[j]; k++;
fprintf(fp4,\ } }
fclose(fp4); k=0;
for(i=0;i<8;i++) {
ch=miyao[i]; for(j=0;j<8;j++) {
str[j]=ch%2; ch=ch/2; }
for(j=7;j>=0;j--) {
miyaoB[k]=str[j]; k++;
fprintf(fp5,\ } }
fclose(fp5);
char Miwentemp[75]=\CString temp1; char *cha;
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for(i=0;i<64;i++) {
temp1.Format(\
cha=temp1.GetBuffer(temp1.GetLength()); strcat(Miwentemp,cha); if((i+1)%8==0)
strcat(Miwentemp,\ }
m_Miwen=Miwentemp; //二进制密文显示在界面上 for(i=0;i<64;i++) {
temp1.Format(\
cha=temp1.GetBuffer(temp1.GetLength()); strcat(Miyaotemp,cha); if((i+1)%8==0)
strcat(Miyaotemp,\ }
m_Miyao=Miyaotemp; //二进制密钥显示在界面上 /*密钥的生成*/
int pc_1table[56]={ //pc_1置换表 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};
int pc_2table[48]={ //pc_2置换表 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}; int afterpc_1[56]; /*经过pc_1置换*/ for(i=0;i<56;i++)
afterpc_1[i]=miyaoB[pc_1table[i]-1]; /*密钥第0次分组*/ int C0[28],D0[28]; for(i=0;i<28;i++)
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C0[i]=afterpc_1[i]; for(j=0,i=28;i<56;i++,j++) D0[j]=afterpc_1[i];
/*十六轮子密钥产生前的中间数据，左移产生的C[16][28],D[16][28]*/ int C[16][28],D[16][28]; for(i=0;i<27;i++) //第一轮数据生成C[0][28]与D[0][28] {
C[0][i]=C0[i+1]; D[0][i]=D0[i+1]; }
C[0][27]=C0[0]; D[0][27]=D0[0]; for(i=1;i<16;i++) //第二轮数据至第十六轮数据生成 {
if(i==1||i==8||i==15) {
for(j=0;j<27;j++) //左移1位 {
C[i][j]=C[i-1][j+1]; D[i][j]=D[i-1][j+1]; }
C[i][27]=C[i-1][0]; D[i][27]=D[i-1][0]; }
else //左移2位 {
for(j=0;j<26;j++) {
C[i][j]=C[i-1][j+2]; D[i][j]=D[i-1][j+2]; }
C[i][26]=C[i-1][0]; C[i][27]=C[i-1][1]; D[i][26]=D[i-1][0]; D[i][27]=D[i-1][1]; } }
/*十六轮子密钥初始数据合并，为pc_2置换生成子密钥做准备*/ int beforekey[16][56]; k=0;
for(i=0;i<16;i++) {
for(j=0;j<28;j++)
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