/* Note: This program is not finished yet. You can only insert now a lower-case text and spaces. Eg:my name is not stefan i am programmer || After that you must insert E or D from encrypt or decrypt || And then you must insert a number from 10 to 15 ||| You must use the same number you used to encrypt your message when you decrypt it do decrypt it correctly */ #include #include #include using namespace std; string text,text2; char raspuns; int i,x,k=0,j,sp,l,b[11111]; void citirex(){ cout<<"Enter a number from 10 to 15"<>x; if(x<10 || x>15) citirex(); } int main() { cout<<"Enter some text "<>raspuns; if(raspuns=='E'){ citirex(); cout<<"Starting the encryiption "; for(i=0;i<10;i++){ Sleep(400); cout<<". "; } j=0; sp=0; for(i=0;i<=text.length();i++){ switch(text[i]){ case 'a':k=1+x;b[j]=k;j++;sp++; break; case 'b':k=2+x;b[j]=k;j++;sp++; break; case 'c':k=3+x;b[j]=k;j++;sp++; break; case 'd':k=4+x;b[j]=k;j++;sp++; break; case 'e':k=5+x;b[j]=k;j++;sp++; break; case 'f':k=6+x;b[j]=k;j++;sp++; break; case 'g':k=7+x;b[j]=k;j++;sp++; break; case 'h':k=8+x;b[j]=k;j++;sp++; break; case 'i':k=9+x;b[j]=k;j++;sp++; break; case 'j':k=10+x;b[j]=k;j++;sp++; break; case 'k':k=11+x;b[j]=k;j++;sp++; break; case 'l':k=12+x;b[j]=k;j++;sp++; break; case 'm':k=13+x;b[j]=k;j++;sp++; break; case 'n':k=14+x;b[j]=k;j++;sp++; break; case 'o':k=15+x;b[j]=k;j++;sp++; break; case 'p':k=16+x;b[j]=k;j++;sp++; break; case 'q':k=17+x;b[j]=k;j++;sp++; break; case 'r':k=18+x;b[j]=k;j++;sp++; break; case 's':k=19+x;b[j]=k;j++;sp++; break; case 't':k=20+x;b[j]=k;j++;sp++; break; case 'u':k=21+x;b[j]=k;j++;sp++; break; case 'v':k=22+x;b[j]=k;j++;sp++; break; case 'w':k=23+x;b[j]=k;j++;sp++; break; case 'x':k=24+x;b[j]=k;j++;sp++; break; case 'y':k=25+x;b[j]=k;j++;sp++; break; case 'z':k=26+x;b[j]=k;j++;sp++; break; case ' ':k=27+x;b[j]=k;j++;sp++; default: break; } } l=0; for(j=0;j>x; cout<<"Starting the decryiption "; for(i=0;i<10;i++){ Sleep(400); cout<<". "; } j=0; sp=0; for(i=0;i<=text.length();i++){ switch(text[i]){ case 'a':k=1-x;b[j]=k;j++;sp++; break; case 'b':k=2-x;b[j]=k;j++;sp++; break; case 'c':k=3-x;b[j]=k;j++;sp++; break; case 'd':k=4-x;b[j]=k;j++;sp++; break; case 'e':k=5-x;b[j]=k;j++;sp++; break; case 'f':k=6-x;b[j]=k;j++;sp++; break; case 'g':k=7-x;b[j]=k;j++;sp++; break; case 'h':k=8-x;b[j]=k;j++;sp++; break; case 'i':k=9-x;b[j]=k;j++;sp++; break; case 'j':k=10-x;b[j]=k;j++;sp++; break; case 'k':k=11-x;b[j]=k;j++;sp++; break; case 'l':k=12-x;b[j]=k;j++;sp++; break; case 'm':k=13-x;b[j]=k;j++;sp++; break; case 'n':k=14-x;b[j]=k;j++;sp++; break; case 'o':k=15-x;b[j]=k;j++;sp++; break; case 'p':k=16-x;b[j]=k;j++;sp++; break; case 'q':k=17-x;b[j]=k;j++;sp++; break; case 'r':k=18-x;b[j]=k;j++;sp++; break; case 's':k=19-x;b[j]=k;j++;sp++; break; case 't':k=20-x;b[j]=k;j++;sp++; break; case 'u':k=21-x;b[j]=k;j++;sp++; break; case 'v':k=22-x;b[j]=k;j++;sp++; break; case 'w':k=23-x;b[j]=k;j++;sp++; break; case 'x':k=24-x;b[j]=k;j++;sp++; break; case 'y':k=25-x;b[j]=k;j++;sp++; break; case 'z':k=26-x;b[j]=k;j++;sp++; break; case '1':k=27-x;b[j]=k;j++;sp++; break; case '2':k=28-x;b[j]=k;j++;sp++; break; case '3':k=29-x;b[j]=k;j++;sp++; break; case '4':k=30-x;b[j]=k;j++;sp++; break; case '5':k=31-x;b[j]=k;j++;sp++; break; case '6':k=32-x;b[j]=k;j++;sp++; break; case '7':k=33-x;b[j]=k;j++;sp++; break; case '8':k=34-x;b[j]=k;j++;sp++; break; case '9':k=35-x;b[j]=k;j++;sp++; break; case '10':k=36-x;b[j]=k;j++;sp++; break; case '!':k=37-x;b[j]=k;j++;sp++; break; case '@':k=38-x;b[j]=k;j++;sp++; break; case '#':k=39-x;b[j]=k;j++;sp++; break; case '$':k=40-x;b[j]=k;j++;sp++; break; case '%':k=41-x;b[j]=k;j++;sp++; break; case '^':k=42-x;b[j]=k;j++;sp++; break; case '&':k=43-x;b[j]=k;j++;sp++; break; case '*':k=44-x;b[j]=k;j++;sp++; break; case '(':k=45-x;b[j]=k;j++;sp++; break; case ')':k=46-x;b[j]=k;j++;sp++; break; case '_':k=47-x;b[j]=k;j++;sp++; break; case '|':k=48-x;b[j]=k;j++;sp++; break; default: break; } } l=0; for(j=0;j

Encryption--Decryption