Thread: help

Enkripsi file
private void jButton1EnActionPerformed(java.awt.event.ActionEve nt evt) {
// TODO add your handling code here:
String temp = "", tampung2;
int temp1 = 0,temp2 = 0,cipherascii = 0;
byte[] m2 = new byte[arr.length];
tampung2 = jTextFieldKunci.getText();
if(tampung2.equals(""))
{ JOptionPane.showMessageDialog(this, "kunci taseh kosong", "information", JOptionPane.INFORMATION_MESSAGE);
}
else
{
for ( int i = 0; i < arr.length; i++ )
{ for ( int k = 0;k < tampung2.length();k++)
{ char b = tampung2.charAt(k);
temp2 = (int) b;
if(k==0)
{
char a = m2.charAt(i);/*error*/
temp1 = (int) a;
cipherascii = temp1 ^ temp2;
}
else
{ temp1 = cipherascii;
cipherascii = temp1 ^ temp2;
}
System.out.println(""+temp1+"xor"+temp2+"="+cipher ascii);
if(k==tampung2.length()-1)
{ String nol = "0000000";
String biner = Integer.toBinaryString(cipherascii);
String binerx;
if(biner.length() < 8)
{ binerx = nol.substring(0, 8-biner.length()) + biner;
}
else binerx = biner;
String cipbiner = binerx.substring(1,8) + binerx.substring(0,1);
int cipascii = Integer.parseInt(cipbiner, 2);
String aChar = new Character((char)cipascii).toString();
temp = temp + aChar ;
System.out.println(cipherascii+"="+binerx+" geser ke kiri 1 byte " + cipbiner);


}

}}}System.out.println(temp);
}