IT430 Assignment No.4 (Take Idea !)

**ahsan_ali** · 07-09-2010, 05:12 AM

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Look at the code same as it in handouts compare this coding

HTML Code:

//Encrypt the input string
function Encrypt(input_size, key){
	
//////// Your encryption code will be here ///////
		var i = 0;
		var KeyAdded = 0;
		var MyAscii = 0;
		var MyArray = new Array();
		var InputValue = encrypt.enc_input.value	
		while (i<input_size) {
			MyAscii = parseFloat(InputValue.charCodeAt(i));
			KeyAdded = parseFloat(MyAscii+key);
			MyArray[i] = String.fromCharCode(KeyAdded); // here i am saving each character in valid array
			i++;	
		}

encrypt.enc_output.value = MyArray.join(""); // here is my output of Encoded Output

}

//Decrypt the input string
function Decrypt(input_size, key) {
	
	///////////// Your decryption code will be here /////////////
		var i = 0;
		var KeyAdded = 0;
		var MyAscii = 0;
		var MyArray = new Array();
		var InputValue = encrypt.dec_input.value	
		while (i<input_size) {

			MyAscii = parseFloat(InputValue.charCodeAt(i));
			KeyAdded = parseFloat(MyAscii-key);                   // subtracting key to reverse encoded conversion
			MyArray[i] = String.fromCharCode(KeyAdded);         // here i am saving each character in valid array
			i++;	
		}

encrypt.dec_output.value = MyArray.join(""); // here is my output of Original String it works !
}

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