/* the reason that i am using interface is that, in several * weeks i will use a bitwise operator for have encryption and decryption * */ public interface ibindesh { string encode(string str); string decode(string str); }
namespace encryptiondecryption { /// <summary> /// summary description for encryptiondecryption. /// </summary> public class encryptiondecryption : ibindesh { public string encode(string str) { string htext = ""; // blank text
for ( int i = 0; i < str.length; i++) { htext = htext + (char) (str[i] + 10 - 1 * 2); } return htext; }
public string decode(string str) { string dtext = "";
for ( int i=0; i < str.length; i++) { dtext = dtext + (char) (str[i] - 10 + 1*2); } return dtext; } } } ====================================
