Ejemplo n.º 1
0
    def testForge(self):
        e = 17
        n = 3233
        d = 2753

        m1 = 11
        m2 = 19

        bm1 = crypto.rsaBlind(m1, 11, e, n)
        bs1 = pow(bm1, d, n)
        s1 = crypto.rsaUnblind(11, n, bs1)
        self.assertTrue(crypto.rsaVerify(s1, m1, e, n))

        bm2 = crypto.rsaBlind(m2, 13, e, n)
        bs2 = pow(bm2, d, n)
        s2 = crypto.rsaUnblind(13, n, bs2)
        self.assertTrue(crypto.rsaVerify(s2, m2, e, n))
        
        self.assertTrue(crypto.rsaVerify((s1 * s2) % n, (m1 * m2) % n, e, n))
        self.assertTrue(crypto.rsaVerify(crypto.modInverse(s1, n),
                                         crypto.modInverse(m1, n), e, n))
Ejemplo n.º 2
0
 def testModInverse(self):
     self.assertEqual(crypto.modInverse(5, 14), 3)
     self.assertRaises(Exception, crypto.modInverse, (2, 10))