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| #include <iostream>
#include <string.h>
#include <stdio.h>
#include <windows.h>
#include<stdlib.h>
#include<conio.h>
#include<fstream>
#include<dir.h>
#include <vector>
#include<cmath>
using namespace std;
unsigned __int64 deshifr_rus(unsigned __int64 arr[], int n){
int i;
char mass[n];
int alfavitSmall[] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34};
char alfavitSmall1[] = {'à','á','â','ã','ä','å','¸','æ','ç','è','é','ê','ë','ì','í','î','ï','ð','ñ','ò','ó','ô','õ','ö','÷','ø','ù','ü','ú','û','ý','þ','ÿ', ' '};
for (int i = 0; i < n; i++){
if(arr[i]== alfavitSmall[0]){
mass[i] = alfavitSmall1[0];
}
if(arr[i]== alfavitSmall[1]){
mass[i] = alfavitSmall1[1];
}
if(arr[i]== alfavitSmall[2]){
mass[i] = alfavitSmall1[2];
}
if(arr[i]== alfavitSmall[3]){
mass[i] = alfavitSmall1[3];
}
if(arr[i]== alfavitSmall[4]){
mass[i] = alfavitSmall1[4];
}
if(arr[i]== alfavitSmall[5]){
mass[i] = alfavitSmall1[5];
}
if(arr[i]== alfavitSmall[6]){
mass[i] = alfavitSmall1[6];
}
if(arr[i]== alfavitSmall[7]){
mass[i] = alfavitSmall1[7];
}
if(arr[i]== alfavitSmall[8]){
mass[i] = alfavitSmall1[8];
}
if(arr[i]== alfavitSmall[9]){
mass[i] = alfavitSmall1[9];
}
if(arr[i]== alfavitSmall[10]){
mass[i] = alfavitSmall1[10];
}
if(arr[i]== alfavitSmall[11]){
mass[i] = alfavitSmall1[11];
}
if(arr[i]== alfavitSmall[12]){
mass[i] = alfavitSmall1[12];
}
if(arr[i]== alfavitSmall[13]){
mass[i] = alfavitSmall1[13];
}
if(arr[i]== alfavitSmall[14]){
mass[i] = alfavitSmall1[14];
}
if(arr[i]== alfavitSmall[15]){
mass[i] = alfavitSmall1[15];
}
if(arr[i]== alfavitSmall[16]){
mass[i] = alfavitSmall1[16];
}
if(arr[i]== alfavitSmall[17]){
mass[i] = alfavitSmall1[17];
}
if(arr[i]== alfavitSmall[18]){
mass[i] = alfavitSmall1[18];
}
if(arr[i]== alfavitSmall[19]){
mass[i] = alfavitSmall1[19];
}
if(arr[i]== alfavitSmall[20]){
mass[i] = alfavitSmall1[20];
}
if(arr[i]== alfavitSmall[21]){
mass[i] = alfavitSmall1[21];
}
if(arr[i]== alfavitSmall[22]){
mass[i] = alfavitSmall1[23];
}
if(arr[i]== alfavitSmall[23]){
mass[i] = alfavitSmall1[24];
}
if(arr[i]== alfavitSmall[24]){
mass[i] = alfavitSmall1[25];
}
if(arr[i]== alfavitSmall[25]){
mass[i] = alfavitSmall1[25];
}
if(arr[i]== alfavitSmall[26]){
mass[i] = alfavitSmall1[26];
}
if(arr[i]== alfavitSmall[27]){
mass[i] = alfavitSmall1[27];
}
if(arr[i]== alfavitSmall[28]){
mass[i] = alfavitSmall1[28];
}
if(arr[i]== alfavitSmall[29]){
mass[i] = alfavitSmall1[29];
}
if(arr[i]== alfavitSmall[30]){
mass[i] = alfavitSmall1[30];
}
if(arr[i]== alfavitSmall[31]){
mass[i] = alfavitSmall1[31];
}
if(arr[i]== alfavitSmall[32]){
mass[i] = alfavitSmall1[32];
}
if(arr[i]== alfavitSmall[33]){
mass[i] = alfavitSmall1[33];
}
}
for (int i = 0; i < n; i++){
cout << mass[i];
}
}
unsigned __int64 deshifr(unsigned __int64 n[], int i, unsigned __int64 ck, unsigned __int64 ab){
unsigned __int64 a[i], j;
cout << "Ïðîöåññ ðàñøèôðîâêè..." << endl;
cout << endl;
for (j = 0; j < i; j++){
a[j] = pow(n[j],ck);
a[j] = fmod(a[j],ab);
cout << n[j] << "^" << ck << "(mod " << ab << ")= " << a[j] << endl;
}
cout << endl;
deshifr_rus(a, i);
}
unsigned __int64 ck(unsigned __int64 n, unsigned __int64 x){
int b = 0, z = 1;
for(;;){
b = fmod(z*n,x);
if(b == 1) break;
z++;
}
return z;
}
unsigned __int64 shifr(unsigned __int64 n[], int i, unsigned __int64 ok, unsigned __int64 ab, unsigned __int64 ck1){
unsigned __int64 a[i], j;
cout << "Ïðîöåññ çàøèôðîâêè..." << endl;
for (j = 0; j < i; j++){
a[j] = pow(n[j],ok);
a[j] = fmod(a[j],ab);
cout << n[j] << "^" << ok << "(mod " << ab << ")= " << a[j] << endl;
}
deshifr(a, i, ck1, ab);
cout << endl;
}
unsigned __int64 gcd(unsigned __int64 a, unsigned __int64 b) {
if (b == 0)
return abs(a);
return gcd(b, a % b);
}
int genPubkey(unsigned __int64 tot) {
unsigned __int64 e = tot - 1;
e = ((rand() % tot) + 2);
while (gcd(e, tot) != 1) {
e = ((rand() % tot) + 2);
}
return e;
}
int main(){
setlocale( LC_ALL,"Russian" );
unsigned __int64 a;
unsigned __int64 b;
unsigned __int64 c;
unsigned __int64 count;
unsigned __int64 N;
unsigned __int64 ok;
unsigned __int64 ck1;
string file_name = "òåñò.txt";
ifstream fin("òåñò.txt");
vector<char> arr;
int i;
char alfavitSmall[] = {'à','á','â','ã','ä','å','¸','æ','ç','è','é','ê','ë','ì','í','î','ï','ð','ñ','ò','ó','ô','õ','ö','÷','ø','ù','ü','ú','û','ý','þ','ÿ', ' '};
int n;
for (char c = fin.get(); c != EOF; c = fin.get()) {
if (string(",.!?:;/-()\n").find(c) == string::npos) {
arr.push_back(c);
n++;
}
}
n++;
unsigned __int64 mass[n];
for (int i = 0; i < n; i++){
cout << arr[i];
}
for (int i = 0; i < n; i++){
if(arr[i]== alfavitSmall[0]){
mass[i] = 1;
}
if(arr[i]== alfavitSmall[1]){
mass[i] = 2;
}
if(arr[i]== alfavitSmall[2]){
mass[i] = 3;
}
if(arr[i]== alfavitSmall[3]){
mass[i] = 4;
}
if(arr[i]== alfavitSmall[4]){
mass[i] = 5;
}
if(arr[i]== alfavitSmall[5]){
mass[i] = 6;
}
if(arr[i]== alfavitSmall[6]){
mass[i] = 7;
}
if(arr[i]== alfavitSmall[7]){
mass[i] = 8;
}
if(arr[i]== alfavitSmall[8]){
mass[i] = 9;
}
if(arr[i]== alfavitSmall[9]){
mass[i] = 10;
}
if(arr[i]== alfavitSmall[10]){
mass[i] = 11;
}
if(arr[i]== alfavitSmall[11]){
mass[i] = 12;
}
if(arr[i]== alfavitSmall[12]){
mass[i] = 13;
}
if(arr[i]== alfavitSmall[13]){
mass[i] = 14;
}
if(arr[i]== alfavitSmall[14]){
mass[i] = 15;
}
if(arr[i]== alfavitSmall[15]){
mass[i] = 16;
}
if(arr[i]== alfavitSmall[16]){
mass[i] = 17;
}
if(arr[i]== alfavitSmall[17]){
mass[i] = 18;
}
if(arr[i]== alfavitSmall[18]){
mass[i] = 19;
}
if(arr[i]== alfavitSmall[19]){
mass[i] = 20;
}
if(arr[i]== alfavitSmall[20]){
mass[i] = 21;
}
if(arr[i]== alfavitSmall[21]){
mass[i] = 22;
}
if(arr[i]== alfavitSmall[22]){
mass[i] = 23;
}
if(arr[i]== alfavitSmall[23]){
mass[i] = 24;
}
if(arr[i]== alfavitSmall[24]){
mass[i] = 25;
}
if(arr[i]== alfavitSmall[25]){
mass[i] = 26;
}
if(arr[i]== alfavitSmall[26]){
mass[i] = 27;
}
if(arr[i]== alfavitSmall[27]){
mass[i] = 28;
}
if(arr[i]== alfavitSmall[28]){
mass[i] = 29;
}
if(arr[i]== alfavitSmall[29]){
mass[i] = 30;
}
if(arr[i]== alfavitSmall[30]){
mass[i] = 31;
}
if(arr[i]== alfavitSmall[31]){
mass[i] = 32;
}
if(arr[i]== alfavitSmall[32]){
mass[i] = 33;
}
if(arr[i]== alfavitSmall[33]){
mass[i] = 34;
}
}
cout<<endl;
cout << "Ââåäèòå 2 ïðîñòûõ ÷èñëà:" << endl;
cout << "1. ";
cin >> a;
cout << "2. ";
cin >> b;
cout << endl;
c = (a-1)*(b-1);
N = a*b;
ok = 2;
while(ok<c){
count = gcd(ok,c);
if(count==1)
break;
else
ok++;
}
ck1 = ck(ok, c);
cout << "Îòêðûòûé êëþ÷: " << ok << endl;
cout << "Ñåêðåòíûé êëþ÷: " << ck1 << endl;
cout << ck1 << endl;
shifr(mass, n, ok, N, ck1);
} |
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