op E public p = E, */p op E private p = phi = */p-1 d = 1 take (1 == (E * iota phi) mod phi) sel iota phi d, */p op C rsa Key = (C ** Key[1]) mod Key[2] P = 11 101 pub = 3 public P priv = 3 private P msg = "test" pub priv ciphre = (code msg) rsa pub ciphre char ciphre rsa priv