begin
Raswifrovanie_CBC('DES_crypted\Z_20_7_CBС.txt','DES_uncrypted\R_20_7_CBС.txt',vektor);
razmer:=1024*20;
end;
if Form1.RadioButton9.Checked=true then
begin
Raswifrovanie_CBC('DES_crypted\Z_50_7_CBС.txt','DES_uncrypted\R_50_7_CBС.txt',vektor);
razmer:=1024*50;
end;
if Form1.RadioButton8.Checked=true then
begin
Raswifrovanie_CBC('DES_crypted\Z_100_7_CBС.txt','DES_uncrypted\R_100_7_CBС.txt',vektor);
razmer:=1024*100;
end;
if Form1.RadioButton7.Checked=true then
begin
Raswifrovanie_CBC('DES_crypted\Z_500_7_CBС.txt','DES_uncrypted\R_500_7_CBС.txt',vektor);
razmer:=1024*500;
end;
if Form1.RadioButton6.Checked=true then
begin
Raswifrovanie_CBC('DES_crypted\Z_1_7_CBС.txt','DES_uncrypted\R_1_7_CBС.txt',vektor);
razmer:=1024*1024;
end;
t2:=Time;
vremja:=round((t2 - t1)*24*60*60);
Label33.Caption := IntToStr(vremja)+ 'сек';
Label34.Caption := FloatToStr(razmer/vremja)+'байт/сек';
end;
//S4itivaem alfavit dlja RSA
procedure TForm1.FormCreate(Sender: TObject);
begin
alf:=Form1.Label38.Caption;
end;
//Generacija prostih 4isel s pomowiju reweta Eratosfena
procedure TForm1.Button13Click(Sender: TObject);
const
n = 5000;
var
a:array[2..n] of boolean;
i,j:integer;
begin
for i:=2 to n do
a[i] := false;
for i:=2 to n do
begin
if(a[i] = false) then
begin
j:=2;
while i*j<=n do
begin
a[i*j]:=true;
j:=j+1;
end;
end;
end;
ListBox4.Clear;
for i:=1 to n do
begin
if(a[i] = false) then
ListBox4.Items.Add(IntToStr(i));
end;
end;
//Generacija vozmognih variantov klju4a Ka
procedure TForm1.Button14Click(Sender: TObject);
var
i:integer;
f:int64;//4islo vzaimno prostih 4isel s N
N,P,Q:int64;
x,y:int64;
k:integer;
begin
P:=StrToInt(Edit5.Text);
Q:=StrToInt(Edit4.Text);
N:=Q*P;
//Vi4isljaem koli4estvo vzaimno prostih s N 4isel
f:=(P-1)*(Q-1);
//Vivodim vse vozmognie Ka
ListBox3.Clear;
k:=0;
for i:=(f div 2) to f do
begin
if(NOD(i,f,x,y)= 1) then
begin
ListBox3.Items.Add(IntToStr(i));
inc(k);
if k=100 then
break;
end;
end;
end;
//Zawifrovanie failov klju4om Ka
procedure TForm1.Button15Click(Sender: TObject);
var
Ka:int64;
Kb:int64;
Q,P:int64;
i:integer;
t1,t2:TDateTime;
vremja:integer;
razmer:integer;
begin
P:= StrToInt(Edit5.Text); //S4itivaem P
Q:= StrToInt(Edit4.Text); //S4itivaem Q
if(ListBox3.ItemIndex <> -1) then
begin
Ka:= StrToInt(ListBox3.Items[ListBox3.ItemIndex]);//Opredeljaem sly4ainim obrazom Ka
Kb := -1;
t1:=Time;
if Form1.RadioButton10.Checked=true then
begin
Wifrovanie_RSA(Ka, P, Q, '20RSA.txt','RSA_crypted\Z_20_RSA.txt',Kb);
razmer:=1024*20;
end;
if Form1.RadioButton9.Checked=true then
begin
Wifrovanie_RSA(Ka, P, Q, '50RSA.txt','RSA_crypted\Z_50_RSA.txt',Kb);
razmer:=1024*50;
end;
if Form1.RadioButton8.Checked=true then
begin
Wifrovanie_RSA(Ka, P, Q, '100RSA.txt','RSA_crypted\Z_100_RSA.txt',Kb);
razmer:=1024*100;
end;
if Form1.RadioButton7.Checked=true then
begin
Wifrovanie_RSA(Ka, P, Q, '500RSA.txt','RSA_crypted\Z_500_RSA.txt',Kb);
razmer:=1024*500;
end;
if Form1.RadioButton6.Checked=true then
begin
Wifrovanie_RSA(Ka, P, Q, '1RSA.txt','RSA_crypted\Z_1_RSA.txt',Kb);
razmer:=1024*1024;
end;
t2:=Time;
end;
Label13.Caption := IntToStr(Ka);; //Vivodin Ka
Label12.Caption := IntToStr(Kb); //Vivodim Kb
vremja:=round((t2 - (t1+0.0000001))*24*60*60*1000);
Label33.Caption := (IntToStr(vremja-round(0.0000001)))+ 'милисек';
Label34.Caption := FloatToStr((razmer/vremja)-0.0000001)+'байт/милисек';
end;
//Raswifrovat faili klju4om Ka1
procedure TForm1.Button16Click(Sender: TObject);
var
Ka:int64;
Kb:int64;
Q,P:int64;
i:integer;
ish_f,vihod_f:TextFile;
t1,t2:TDateTime;
vremja:integer;
razmer:integer;
begin
P:= StrToInt(Edit5.Text); //S4itivaem P
Q:= StrToInt(Edit4.Text); //S4itivaem Q
if(ListBox3.ItemIndex <> -1) then
begin
Ka:= StrToInt(ListBox3.Items[ListBox3.ItemIndex]);//Opredeljaem sly4ainim obrazom Ka
Kb:=StrToInt(Label12.Caption);
t1:=Time;
if Form1.RadioButton10.Checked=true then
begin
Raswifrovanie_RSA(Kb,P,Q,'RSA_crypted\Z_20_RSA.txt','RSA_uncrypted\R_20_RSA.txt');
razmer:=1024*20;
end;
if Form1.RadioButton9.Checked=true then
begin
Raswifrovanie_RSA(Kb,P,Q,'RSA_crypted\Z_50_RSA.txt','RSA_uncrypted\R_50_RSA.txt');
razmer:=1024*20;
end;
if Form1.RadioButton8.Checked=true then
begin
Raswifrovanie_RSA(Kb,P,Q,'RSA_crypted\Z_100_RSA.txt','RSA_uncrypted\R_100_RSA.txt');
razmer:=1024*20;
end;
if Form1.RadioButton7.Checked=true then
begin
Raswifrovanie_RSA(Kb,P,Q,'RSA_crypted\Z_500_RSA.txt','RSA_uncrypted\R_500_RSA.txt');
razmer:=1024*20;
end;
if Form1.RadioButton6.Checked=true then
begin
Raswifrovanie_RSA(Kb,P,Q,'RSA_crypted\Z_1_RSA.txt','RSA_uncrypted\R_1_RSA.txt');
razmer:=1024*20;
end;
t2:=Time;
end;
vremja:=round((t2 - t1)*24*60*60)+1;
Label33.Caption := IntToStr(vremja-1)+ 'милисек';
Label34.Caption := FloatToStr((razmer/vremja)-1)+'байт/сек';
end;
end.
Подключаемыемодули
unit DES_ECB_CBC_unit;
interface
procedure Wifrovanie_ECB(nazv_ish_f:string;nazv_vih_f:string);
procedure Raswifrovanie_ECB(nazv_ish_f:string;nazv_vih_f:string);
procedure Wifrovanie_CBC(nazv_ish_f:string;nazv_vih_f:string;vektor:string);
procedure Raswifrovanie_CBC(nazv_ish_f:string;nazv_vih_f:string;vektor:string);
implementation
uses DES_unit;
procedure Wifrovanie_ECB(nazv_ish_f:string;nazv_vih_f:string);
var
i:integer;
ish_text,vihod_text:string;
bykva:byte;
ish_f,vihod_f:file of byte;
begin
assignfile(ish_f,nazv_ish_f);
reset(ish_f);
assignfile(vihod_f,nazv_vih_f);
rewrite(vihod_f);
while not EOF(ish_f) do
begin
read(ish_f,bykva);
ish_text:=ish_text+chr(bykva);
if Length(ish_text) = 8 then
begin
vihod_text:= Kodirovat(ish_text);
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
ish_text := '';
end;
end;
if(Length(ish_text) <> 0) then
begin
while length(ish_text)<8 do
ish_text:=ish_text+'0';
vihod_text := Kodirovat(ish_text);
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
end;
end;
procedure Raswifrovanie_ECB(nazv_ish_f:string;nazv_vih_f:string);
var
i:integer;
ish_text,vihod_text:string;
bykva:byte;
ish_f,vihod_f:file of byte;
begin
assignfile(ish_f,nazv_ish_f);
reset(ish_f);
assignfile(vihod_f,nazv_vih_f);
rewrite(vihod_f);
while not EOF(ish_f) do
begin
read(ish_f,bykva);
ish_text:=ish_text+chr(bykva);
if Length(ish_text) = 8 then
begin
vihod_text:= Raskodirovat(ish_text);
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
ish_text := '';
end;
end;
if(Length(ish_text) <> 0) then
begin
while length(ish_text)<8 do
ish_text:=ish_text+'0';
vihod_text := Raskodirovat(ish_text);
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
end;
end;
procedure Wifrovanie_CBC(nazv_ish_f:string;nazv_vih_f:string;vektor:string);
var
i:integer;
ish_text,vihod_text:string;
bykva:byte;
ish_f,vihod_f:file of byte;
begin
assignfile(ish_f,nazv_ish_f);
reset(ish_f);
assignfile(vihod_f,nazv_vih_f);
rewrite(vihod_f);
while not EOF(ish_f) do
begin
read(ish_f,bykva);
ish_text:=ish_text+chr(bykva);
if Length(ish_text) = 8 then
begin
for i:=1 to 8 do
ish_text[i]:=chr(ord(ish_text[i]) xor ord(vektor[i]));
vihod_text:= Kodirovat(ish_text);
vektor := vihod_text;
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
ish_text := '';
end;
end;
if(Length(ish_text) <> 0) then
begin
while length(ish_text)<8 do
ish_text:=ish_text+'0';
for i:=1 to 8 do
ish_text[i] := chr(ord(ish_text[i]) xor ord(vektor[i]));
vihod_text := Kodirovat(ish_text);
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
end;
end;
procedure Raswifrovanie_CBC(nazv_ish_f:string;nazv_vih_f:string;vektor:string);
var
i:integer;
ish_text,vihod_text,tmp:string;
bykva:byte;
ish_f,vihod_f:file of byte;
begin
assignfile(ish_f,nazv_ish_f);
reset(ish_f);
assignfile(vihod_f,nazv_vih_f);
rewrite(vihod_f);
while not EOF(ish_f) do
begin
read(ish_f,bykva);
ish_text:=ish_text+chr(bykva);
if Length(ish_text) = 8 then
begin
tmp := ish_text;
vihod_text:= Raskodirovat(ish_text);
for i:=1 to 8 do
vihod_text[i] := chr(ord(vihod_text[i]) xor ord(vektor[i]));
vektor := tmp;
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
ish_text := '';
end;
end;
if(Length(ish_text) <> 0) then
begin
while length(ish_text)<8 do
ish_text:=ish_text+'0';
tmp := ish_text;
vihod_text:= Raskodirovat(ish_text);
for i:=1 to 8 do
vihod_text[i] := chr(ord(vihod_text[i]) xor ord(vektor[i]));
vektor := tmp;
for i:=1 to 8 do
begin
bykva:=byte(vihod_text[i]);
write(vihod_f,bykva);
end;
end;
end;
end.
unit DES_unit;
interface
type odnom_1_64=array[1..64] of byte;
type odnom_1_56=array[1..56] of byte;
type odnom_1_48=array[1..48] of byte;
type odnom_1_32=array[1..32] of byte;
type dvym_1_17_1_32=array[1..17,1..32] of byte;
type dvym_1_17_1_28=array[1..17,1..28] of byte;
type dvym_1_16_1_48=array[1..16,1..48] of byte;//16 подключей
procedure Perestanovka_IP (var Klju4_64_posle_IP: odnom_1_64);
procedure Perestanovka_E (n:integer; Tekst_32_do_E: dvym_1_17_1_32; var Tekst_48_posle_E: odnom_1_48);
procedure Perestanovka_P(var Tekst_32_posle_P:odnom_1_32);
procedure S_Blok (e: odnom_1_48; var p: odnom_1_32);
procedure Perestanovka_IP_1 (var Tekst_64_posle_IP1: odnom_1_64);
procedure TextVBinarn (Tekst_bykv: string; var Tekst_64_binar: odnom_1_64);
procedure BinarnVText(Tekst_64_binar: odnom_1_64;var Tekst_bykv: string);
function Kodirovat(Ish_tekst_bykv:string):string;
function Raskodirovat(Wifr_tekst_bykv:string):string;
implementation
uses podkluchi_unit;
var
matrica_IP:array[1..64] of byte=(58, 50, 42, 34, 26, 18, 10, 02,
60, 52, 44, 36, 28, 20, 12, 04,
62, 54, 46, 38, 30, 22, 14, 06,
64, 56, 48, 40, 32, 24, 16, 08,
57, 49, 41, 33, 25, 17, 09, 01,
59, 51, 43, 35, 27, 19, 11, 03,
61, 53, 45, 37, 29, 21, 13, 05,
63, 55, 47, 39, 31, 23, 15, 07);
matrica_E:array[1..48] of byte=(32, 01, 02, 03, 04, 05,
04, 05, 06, 07, 08, 09,
08, 09, 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, 01);
matrica_P:array[1..32] of byte=(16, 07, 20, 21,
29, 12, 28, 17,
01, 15, 23, 26,
05, 18, 31, 10,
02, 08, 24, 14,
32, 27, 03, 09,
19, 13, 30, 06,
22, 11, 04, 25);
matrica_IP_1:array[1..64] of byte=(40, 08, 48, 16, 56, 24, 64, 32,
39, 07, 47, 15, 55, 23, 63, 31,
38, 06, 46, 14, 54, 22, 62, 30,
37, 05, 45, 13, 53, 21, 61, 29,
36, 04, 44, 12, 52, 20, 60, 28,
35, 03, 43, 11, 51, 19, 59, 27,
34, 02, 42, 10, 50, 18, 58, 26,
33, 01, 41, 09, 49, 17, 57, 25);
procedure Perestanovka_IP (var Klju4_64_posle_IP: odnom_1_64);
var Vrem_klju4_64: odnom_1_64;
i:integer;
begin
//Kopirivanie binarnogo predstavlenia
for i:=1 to 64 do
Vrem_klju4_64[i]:=Klju4_64_posle_IP[i];
//IP perestanovka
for i:=1 to 64 do
Klju4_64_posle_IP[i]:=Vrem_klju4_64[matrica_IP[i]];
end;
procedure Perestanovka_E (n:integer; Tekst_32_do_E: dvym_1_17_1_32; var Tekst_48_posle_E: odnom_1_48);
var i:integer;
begin
for i:=1 to 48 do
Tekst_48_posle_E[i]:=Tekst_32_do_E[n,matrica_E[i]];
end;
procedure Perestanovka_P(var Tekst_32_posle_P:odnom_1_32);
var i:integer;
Vrem_tekst_32:odnom_1_32;
begin
//Kopiy binarnogo predstavlenia
for i:=1 to 32 do
Vrem_tekst_32[i]:=Tekst_32_posle_P[i];
//P perestanovka bit
for i:=1 to 32 do
Tekst_32_posle_P[i]:=Vrem_tekst_32[matrica_P[i]];
end;
procedure S_Blok (e: odnom_1_48; var p: odnom_1_32);
var q,i,j:integer;//s4et4iki
k:integer;//4islo na perese4enii neobhodimoi stro4ki i stolbika
h:integer;
symma_2_krainih,symma_4_vnytrennih:integer;
s_blok:array[0..3,0..15] of byte;
B_dvym_8_6:array[1..8,1..6] of byte;
f:textfile;
begin
//Razbitie na 8 4astei po 6 bit
q:=0;
for i:=1 to 8 do
for j:=1 to 6 do
begin
q:=q+1;
B_dvym_8_6[i,j]:=e[q];
end;
//S4itivaem S blok
AssignFile(f,'S.txt');
Reset(f);
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
for q:=1 to 8 do
begin
symma_2_krainih:=B_dvym_8_6[q,6]+B_dvym_8_6[q,1]*2;
symma_4_vnytrennih:=B_dvym_8_6[q,2]+2*B_dvym_8_6[q,3]+4*B_dvym_8_6[q,4]+8*B_dvym_8_6[q,5];
for i:=0 to 3 do
for j:=0 to 15 do
read(f,s_blok[i,j]);
k:=s_blok[symma_2_krainih,symma_4_vnytrennih];
h:=4*q;
for j:=1 to 4 do
begin
p[h]:=k mod 2;
k:=k div 2;
h:=h-1;
end
end;
closefile(f);
end;
procedure Perestanovka_IP_1 (var Tekst_64_posle_IP1: odnom_1_64);
var Vrem_tekst_64: odnom_1_64;
i:integer;
begin
//Kopiy binarnogo predstavlenia
for i:=1 to 64 do
Vrem_tekst_64[i]:=Tekst_64_posle_IP1[i];
//IP perestanovka bit
for i:=1 to 64 do
Tekst_64_posle_IP1[i]:=Vrem_tekst_64[matrica_IP_1[i]];
end;
//Perevodit text v binarnoe predstavlenie
procedure TextVBinarn (Tekst_bykv: string; var Tekst_64_binar: odnom_1_64);
var j,h,a,i:integer;
alfav_ASCII:array[1..8] of integer;
begin
//Perevod simvolov v ASCII-kodi
for i:=1 to 8 do
alfav_ASCII[i]:=ord(Tekst_bykv[i]);//vozvrawaet № simvola v ASC
//Perevod chisel v binarniy kod
for j:=1 to 8 do
begin
h:=8*j;
a:=alfav_AscII[j];
for i:=1 to 8 do
begin
Tekst_64_binar[h]:=a mod 2;
a:=a div 2;//sdvig vpravo na 1
h:=h-1;
end
end;
end;
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++
//Perevodit binarnoe predstavlenie v tekst
procedure BinarnVText(Tekst_64_binar: odnom_1_64;var Tekst_bykv: string);
var Vrem_tekst:string;
a,i,j:integer;
begin
Vrem_tekst:='';
for i:=1 to 8 do
begin
a:=0;
for j:=(i-1)*8+1 to i*8 do
a:= a*2+Tekst_64_binar[j];
Vrem_tekst:=concat(Vrem_tekst,char(a));//prilirljaet k s a
end;
Tekst_bykv:=Vrem_tekst;
end;
function Kodirovat(Ish_tekst_bykv:string):string;
var Ish_tekst_64_binar:odnom_1_64;
i,j:integer;
levaja,pravaja:dvym_1_17_1_32;
Tekst_48_posle_raswirenija:odnom_1_48;