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))
def testModInverse(self):
self.assertEqual(crypto.modInverse(5, 14), 3)
self.assertRaises(Exception, crypto.modInverse, (2, 10))