//Author: Esteban Cazarez
//Date: 3-28-98
//Caesar Cipher encoding and decoding
//Using Borland C++
//Author: Esteban Cazarez
//Lab Assigment Number #1 - Encoding
main()
{
char old_letter,new_letter;
cout<<"Esteban's Encoding Section -";
cout<<"Control and Security"<<"\n\n";
cout<<"Enter the word to encode or type * to quit"<<"\n";
scanf("%c",&old_letter);
while(old_letter != '*')
{
if((old_letter >= 'A') && (old_letter <+ 'Z'))
new_letter = (old_letter - 'A' + 3)%26 + 'A';
else if ((old_letter >= 'a')&&(old_letter <+ 'z'))
new_letter = (old_letter - 'a' + 3)%26 +'a';
else
new_letter = old_letter;
printf("%c",new_letter);
scanf("%c",&old_letter);
}
cout<<"\n";
}
