public void decrypt()
{
dec = new byt();
byt p1, p2, p3, p4, p5;
p1 = new byt();
p2 = new byt();
p3 = new byt();
p4 = new byt();
p5 = new byt();
byt k1, k2, k3, k4;
k1 = new byt();
k2 = new byt();
k3 = new byt();
k4 = new byt();
k1.PC1(key);
p1.IP(text);
k2.convert28(k1, 0);
k3.convert28(k1, 1);
p2.convert32(p1, 0);
p3.convert32(p1, 1);
for (int i = 0; i < 16; i++)
{
k1.convert56(k2, k3);
k4.PC2(k1);
p4.E(p3);
p5.xor(k4, p4);
p4.S(p5);
p5.P(p4);
p4.xor(p5, p2);
p2.copy(p3);
p3.copy(p4);
k2.rightShift();
k3.rightShift();
if (i != 0 && i != 7 && i != 14 && i != 15)
{
k2.rightShift();
k3.rightShift();
}
}
p1.convert64(p3, p2);
dec.IIP(p1);
}
