通过Matlab实现DES加密算法的动态演示系统.zip

function varargout = untitled(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @untitled_OpeningFcn, ... 'gui_OutputFcn', @untitled_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []); if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1}); end if nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else gui_mainfcn(gui_State, varargin{:}); end function untitled_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; guidata(hObject, handles); function varargout = untitled_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output; %初始置换IP function pushbutton1_Callback(hObject, eventdata, handles) global opencode IP = [58,50,42,34,26,18,10,2,60,52,44,36,28,20,12,4,62,54,46,38,30,22,14,6,64,56,48,40,32,24,16,8,57,49,41,33,25,17,9,1,59,51,43,35,27,19,11,3,61,53,45,37,29,21,13,5,63,55,47,39,31,23,15,7]; for i=1:64 temp(i)=opencode(IP(i)); end global L0; global R0; for i=1:32 opencode(i)=temp(i); L0(i)=temp(i); end for i=33:64 opencode(i)=temp(i); R0(i-32)=temp(i) end set(handles.edit2, 'string',strcat(num2str(L0))); set(handles.edit3, 'string',strcat(num2str(R0))); function edit1_Callback(hObject, eventdata, handles) global opencode; opencode = str2num(get(hObject, 'string')); function edit1_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function edit2_Callback(hObject, eventdata, handles) function edit2_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function edit3_Callback(hObject, eventdata, handles) function edit3_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function Untitled_1_Callback(hObject, eventdata, handles) function edit4_Callback(hObject, eventdata, handles) global keycode; keycode = str2num(get(hObject, 'string')); function edit4_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function edit5_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties. function edit5_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end function edit6_Callback(hObject, eventdata, handles) function edit6_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end %选择置换PC-1 function pushbutton2_Callback(hObject, eventdata, handles) global keycode; PC_1 = [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]; for i=1:56 temp(i)=keycode(PC_1(i)); end global C0; global D0; global Key; for i=1:28 Key(i)=temp(i); C0(i)=temp(i); end for i=29:56 Key(i)=temp(i); D0(i-28)=temp(i); end set(handles.edit5, 'string',strcat(num2str(C0))); set(handles.edit6, 'string',strcat(num2str(D0))); %选择置换PC-2 function pushbutton3_Callback(hObject, eventdata, handles) global Key; global KeyFinal; PC_2 = [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]; for i=1:48 temp(i)=Key(PC_2(i)); end for i=1:48 KeyFinal(i)=temp(i); end set(handles.edit7, 'string',strcat(num2str(KeyFinal))); %循环左移1位 function pushbutton4_Callback(hObject, eventdata, handles) global C0; global D0; global Key; for i=1:27 temp(i)=C0(i+1); end temp(28)=C0(1); for i=1:28 Key(i)=temp(i); C0(i)=temp(i); end for i=1:27 temp(i)=D0(i+1); end temp(28)=D0(1); for i=1:28 Key(i+28)=temp(i); D0(i)=temp(i); end set(handles.edit5, 'string',strcat(num2str(C0))); set(handles.edit6, 'string',strcat(num2str(D0))); %循环左移2位 function pushbutton5_Callback(hObject, eventdata, handles) global C0; global D0; global Key; for i=1:26 temp(i)=C0(i+2); end temp(27)=C0(1); temp(28)=C0(2); for i=1:28 Key(i)=temp(i); C0(i)=temp(i); end for i=1:26 temp(i)=D0(i+2); end temp(27)=D0(1); temp(28)=D0(2); for i=1:28 Key(i+28)=temp(i); D0(i)=temp(i); end set(handles.edit5, 'string',strcat(num2str(C0))); set(handles.edit6, 'string',strcat(num2str(D0))); function edit7_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties. function edit7_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end %位选择函数E function pushbutton6_Callback(hObject, eventdata, handles) global R0; E = [32,1,2,3,4,5,4,5,6,7,8,9,8,9,10,11,12,13,12,13,14,15,16,17,16,17,18,19,20,21,20,21,22,23,24,25,24,25,26,27,28,29,28,29,30,31,32,1]; global R; for i=1:48 R(i) = R0(E(i)); end set(handles.edit8, 'string',strcat(num2str(R))); %置换函数P function pushbutton7_Callback(hObject, eventdata, handles) global R0; P=[16,7,20,21,29,12,28,17,1,15,23,26,5,18,31,10,2,8,24,14,32,27,3,9,19,13,30,6,22,11,4,25]; for i=1:32 temp(i)=R0(P(i)); end for i=1:32 R0(i)=temp(i); end set(handles.edit3, 'string',strcat(num2str(R0))); function edit8_Callback(hObject, eventdata, handles) function edit8_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end %异或运算XOR function pushbutton8_Callback(hObject, eventdata, handles) global KeyFinal; global R; for i=1:48 R(i)=xor(R(i),KeyFinal(i)); end set(handles.edit8, 'string',strcat(num2str(R))); %S盒运算 function pushbutton9_Callback(hObject, eventdata, handles) global R; global B; global R0; t=1; for i=1:8 for j=1:6 B(i,j)=R(t); t=t+1; end end S(:,:,1)=[14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7, 0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8, 4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0, 15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13]; S(:,:,2)=[15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10, 3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5, 0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15, 13,8,10,1,3,15,4,2,11,6,7,12,0,5,14,9]; S(:,:,3)=[10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8, 13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1, 13,6,4,9,8,15,3,0,11,1,2,12,5,10,14,7, 1,10,13,0,6,9,8,7,4,15,14,3,11,5,2,12]; S(:,:,4)=[7,13,14,3,0,6,9,10,1,2,8,5,11,12,4,15; 13,8,11,5,6,15,0,3,4,7,2,12,1,10,14,9; 10,6,9,0,12,11,7,13,15,1,3,14,5,2,8,4; 3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14]; S(:,:,5)=[2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9, 14,11,2,12,4,7,13,1,5,0,15,10,3,9,8,6, 4,2,1,11,10,13,7,8,15,9,12,5,6,3,0,14, 11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3]; S(:,:,6)=[12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11, 10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8, 9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6, 4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13]; S(:,:,7)=[4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1, 13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6'