?? aesdlg.cpp
字號:
OnSetkey128();
}
//選擇明文
void CAESDlg::OnSBrowse()
{
// TODO: Add your control notification handler code here
static char BASED_CODE szFilter[] = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*||";
int result;
//
CFileDialog dlg(true, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, NULL);
if (dlg.DoModal()==IDOK)
{
sflag = 1;
editflag = 0;
showflag = 1;
//
ClearAll(0);
//
strcpy(sfilename, dlg.GetPathName());
m_sfile.SetWindowText(sfilename);
m_sfile.UpdateWindow();
//讀入
result = copyfile(sfilename, SFILENAME);
//
OnSShowText();
}
}
//選擇密文
void CAESDlg::OnRBrowse()
{
// TODO: Add your control notification handler code here
static char BASED_CODE szFilter[] = "All Files (*.*)|*.*||";
int result;
FILE* handle;
int filelen;
//
CFileDialog dlg(true, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, NULL);
if (dlg.DoModal()==IDOK)
{
rflag = 1;
showflag = 1;
//
ClearAll(0);
//
strcpy(rfilename, dlg.GetPathName());
//
handle = fopen(rfilename, "rb");
filelen = filelength(fileno(handle));
result = fclose(handle);
if (filelen==0 || filelen%16!=0)
{
show("密文長度不對");
rflag = 0;
return;
}
//
m_rfile.SetWindowText(rfilename);
m_rfile.UpdateWindow();
//讀入
result = copyfile(rfilename, RFILENAME);
//
OnRShowText();
}
}
//輸出明文
void CAESDlg::OnSOutput()
{
// TODO: Add your control notification handler code here
static char BASED_CODE szFilter[] = "All Files (*.*)|*.*||";
int result;
//
if (sflag==0)
{
show("請先選擇明文文件或輸入明文");
return;
}
//
CFileDialog dlg(false, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, NULL);
if (dlg.DoModal()==IDOK)
{
strcpy(soutfile, dlg.GetPathName());
//
result = copyfile(SFILENAME, soutfile);
//
show("明文輸出完成");
}
}
//輸出密文
void CAESDlg::OnROutput()
{
// TODO: Add your control notification handler code here
static char BASED_CODE szFilter[] = "All Files (*.*)|*.*||";
int result;
//
if (rflag==0)
{
show("請先選擇密文文件");
return;
}
//
CFileDialog dlg(false, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, NULL);
if (dlg.DoModal()==IDOK)
{
strcpy(routfile, dlg.GetPathName());
//
result = copyfile(RFILENAME, routfile);
//
show("密文輸出完成");
}
}
//加密明文
void CAESDlg::OnEncrypt()
{
// TODO: Add your control notification handler code here
int i;
int filelen;
int pos;
FILE* handle;
FILE* handle2;
int firstcount;
int result;
//
if (sflag==0)
{
show("請先選擇明文文件或輸入明文");
return;
}
//準備工作
m_rfile.SetWindowText("");
m_rtext.SetWindowText("");
//
handle = fopen(SFILENAME, "rb");
if (handle==NULL)
{
show("非法明文文件");
return;
}
filelen = filelength(fileno(handle));
if (filelen==0)
{
show("明文為空");
fclose(handle);
return;
}
handle2 = fopen(RFILENAME, "wb");
//
setposinit(0, filelen);
pos = 0;
firstcount = 0;
while (pos<filelen)
{
memset(stext, 0, TEXT_MAX+1);
scount = fread(stext, 1, TEXT_MAX, handle);
if (scount%16!=0)
scount = scount+16-scount%16;
if (firstcount==0)
firstcount = scount;
pos += scount;
//加密工作:stext->rtext
for (i=0; i<scount; i+=16)
{
memcpy(s_blk, stext+i, 16);
encrypt(s_blk, r_blk);
memcpy(rtext+i, r_blk, 16);
}
//
result = fwrite(rtext, 1, scount, handle2);
//
setpos(pos);
}
result = fclose(handle);
result = fclose(handle2);
//
scount = firstcount;
rcount = scount;
rflag = 1;
showflag = 1;
//顯示結果
OnRShowText();
}
//解密密文
void CAESDlg::OnDecrypt()
{
// TODO: Add your control notification handler code here
int i;
int filelen;
int pos;
FILE* handle;
FILE* handle2;
int firstcount;
int result;
//
if (rflag==0)
{
show("請先選擇密文文件");
return;
}
//準備工作
m_sfile.SetWindowText("");
m_stext.SetWindowText("");
//
handle = fopen(RFILENAME, "rb");
if (handle==NULL)
{
show("非法密文文件");
return;
}
filelen = filelength(fileno(handle));
if (filelen==0 || filelen%16!=0)
{
show("密文長度不對");
fclose(handle);
return;
}
handle2 = fopen(SFILENAME, "wb");
//
setposinit(0, filelen);
pos = 0;
firstcount = 0;
while (pos<filelen)
{
memset(rtext, 0, TEXT_MAX+1);
rcount = fread(rtext, 1, TEXT_MAX, handle);
//
if (firstcount==0)
firstcount = rcount;
pos += rcount;
//解密工作:rtext->stext
for (i=0; i<rcount; i+=16)
{
memcpy(r_blk, rtext+i, 16);
decrypt(r_blk, s_blk);
memcpy(stext+i, s_blk, 16);
}
//
result = fwrite(stext, 1, rcount, handle2);
//
setpos(pos);
}
result = fclose(handle);
result = fclose(handle2);
//顯示結果
rcount = firstcount;
scount = rcount;
sflag = 1;
showflag = 1;
OnSShowText();
}
//顯示明文
//用文本方式，將ASC的0轉換為空格來顯示
void CAESDlg::OnSShowText()
{
// TODO: Add your control notification handler code here
int i;
FILE* handle;
int result;
//
memset(stext, 0, TEXT_MAX+1);
handle = fopen(SFILENAME, "rb");
if (handle==NULL)
{
show("非法明文文件");
return;
}
scount = fread(stext, 1, TEXT_MAX, handle);
result = fclose(handle);
//處理
for (i=0; i<scount; i++)
{
if (stext[i]==0)
stext2[i] = ' ';
else
stext2[i] = stext[i];
}
stext2[scount] = 0;
//
m_stext.SetWindowText(stext2);
m_stext.UpdateWindow();
}
//顯示密文
//用01方式，不用文本方式
void CAESDlg::OnRShowText()
{
// TODO: Add your control notification handler code here
int i,j;
int p;
FILE* handle;
int result;
const int mark[9] = {0, 128, 64, 32, 16, 8, 4, 2, 1};
unsigned char c1,c2,c3;
//
memset(rtext, 0, TEXT_MAX+1);
handle = fopen(RFILENAME, "rb");
if (handle==NULL)
{
show("非法密文文件");
return;
}
rcount = fread(rtext, 1, TEXT_MAX, handle);
result = fclose(handle);
//處理
p = 0;
for (i=0; i<rcount; i++)
{
for (j=1; j<=8; j++)
{
c1 = rtext[i];
c2 = mark[j];
c3 = c1&c2;
if (c3==0)
rtext2[p] = '0';
else
rtext2[p] = '1';
p++;
}
}
rtext2[p] = 0;
//
m_rtext.SetWindowText(rtext2);
m_rtext.UpdateWindow();
}
//清除明文
void CAESDlg::OnSClear()
{
// TODO: Add your control notification handler code here
memset(stext, 0, TEXT_MAX+1);
memset(stext2, 0, TEXT_MAX+1);
DeleteFile(SFILENAME);
//
sflag = 0;
editflag = 0;
showflag = 1;
//
m_sfile.SetWindowText("");
m_sfile.UpdateWindow();
//
m_stext.SetWindowText("");
m_stext.UpdateWindow();
//
m_sshow.SetWindowText("");
m_rshow.SetWindowText("");
m_time.SetWindowText("");
m_progress.SetRange32(0, 100);
m_progress.SetPos(0);
}
void CAESDlg::OnRClear()
{
// TODO: Add your control notification handler code here
//
memset(rtext, 0, TEXT_MAX+1);
memset(rtext2, 0, 8*TEXT_MAX+1);
DeleteFile(RFILENAME);
//
rflag = 0;
showflag = 1;
//
m_rfile.SetWindowText("");
m_rfile.UpdateWindow();
//
m_rtext.SetWindowText("");
m_rtext.UpdateWindow();
//
m_sshow.SetWindowText("");
m_rshow.SetWindowText("");
m_time.SetWindowText("");
m_progress.SetRange32(0, 100);
m_progress.SetPos(0);
}
void CAESDlg::OnStop()
{
}
void CAESDlg::show(char *str)
{
MessageBox(str, "信息", MB_OK|MB_ICONINFORMATION);
}
//顯示進度
void CAESDlg::setpos(int pos)
{
char temp[128];
int i;
//
if (showflag==1 || rand()%NUM_RAND1==0)
{
etime = GetTickCount()-stime;
sprintf(temp, "%i秒%i毫秒", etime/1000, etime%1000);
//
m_time.SetWindowText(temp);
m_time.UpdateWindow();
}
//
if (showflag==1 || rand()%NUM_RAND2==0)
{
for (i=SHOW_MAX-1; i>0; i--)
{
sshow[i] = sshow[i-1];
rshow[i] = rshow[i-1];
}
sshow[0] = rand()%2+'0';
rshow[0] = rand()%2+'0';
//
m_sshow.SetWindowText(sshow);
m_sshow.UpdateWindow();
//
m_rshow.SetWindowText(rshow);
m_rshow.UpdateWindow();
}
//
showflag = 0;
m_progress.SetPos(pos);
}
void CAESDlg::setposinit(int a, int b)
{
int i;
//
m_progress.SetRange32(a,b);
m_progress.SetPos(0);
//
for (i=0; i<SHOW_MAX; i++)
{
sshow[i] = rand()%2+'0';
rshow[i] = rand()%2+'0';
}
sshow[SHOW_MAX] = 0;
rshow[SHOW_MAX] = 0;
//
stime = GetTickCount();
}
void CAESDlg::OnSetkey128()
{
// TODO: Add your control notification handler code here
keylen = 128;
memcpy(key, (char*)key128, keylen);
OnShowKey();
//
set_key(key128, keylen);
}
void CAESDlg::OnSetkey192()
{
// TODO: Add your control notification handler code here
keylen = 192;
memcpy(key, (char*)key192, keylen);
OnShowKey();
//
set_key(key192, keylen);
}
void CAESDlg::OnSetkey256()
{
// TODO: Add your control notification handler code here
keylen = 256;
memcpy(key, (char*)key256, keylen);
OnShowKey();
//
set_key(key256, keylen);
}
void CAESDlg::OnShowKey()
{
char skey[KEY_MAX+128];
int p;
int i;
//
p = 0;
for (i=0; i<keylen; i++)
{
skey[p] = key[i]+'0';
p++;
if ((i+1)%64==0)
{
skey[p] = '\n';
p++;
}
}
skey[p] = 0;
//
m_key.SetWindowText(skey);
m_key.UpdateWindow();
}
//將用戶輸入的明文輸出到文件中
void CAESDlg::OnKillfocusEdit3()
{
// TODO: Add your control notification handler code here
FILE* handle;
int len;
char* buf;
int result;
//
len = m_stext.GetWindowTextLength();
buf = (char*)malloc(len+1);
//
result = m_stext.GetWindowText(buf, len+1);
handle = fopen(SFILENAME, "wb");
result = fwrite(buf, 1, len, handle);
result = fclose(handle);
//
free(buf);
//
sflag = 1;
showflag = 1;
}
void CAESDlg::OnChangeEdit3()
{
editflag = 1;
}
void CAESDlg::OnOK()
{
// TODO: Add extra validation here
CDlgEndBox dlg;
dlg.DoModal();
//
CDialog::OnOK();
}
void CAESDlg::OnShowVersion()
{
// TODO: Add your control notification handler code here
CDlgVersion dlg;
dlg.DoModal();
}
int CAESDlg::copyfile(char *sfilename, char *dfilename)
{
int result;
//
CDlgWait dlg;
result = dlg.Create(IDD_WAIT);
result = dlg.ShowWindow(SW_SHOWNORMAL);
//
result = CopyFile(sfilename, dfilename, FALSE);
//
result = dlg.DestroyWindow();
//
return 0;
}
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