def test_signature(self):
key = self.keys
random_words = randomword(255)
signature = key.sign(random_words)
self.assertTrue(key.verify(random_words, signature))
self.assertFalse(key.verify(randomword(255), signature))
self.assertFalse(key.verify(random_words, randomword(255)))
def test_verify_with_other_key(self):
key1 = self.keys
key2 = generate_keys()
random_word = randomword(2 ** 10)
signature = key1.sign(random_word)
# now verify that key2 does not verify the signature
self.assertFalse(key2.verify(random_word, signature))
def test_sign_small_string(self):
"""
Test that we can sign and verify a small string
"""
key = self.keys
for i in range(1, 11):
random_word = randomword(2 ** i)
signature = key.sign(random_word)
try:
self.assertTrue(key.verify(random_word, signature))
except AssertionError:
print("Failed to sign string of length {}".format(2 ** i))
raise
def test_long_word(self):
rawdata = bytes(randomword(30).encode())
blocks = split(rawdata, 15)
self.assertEqual(assemble(blocks), rawdata)
self.assertNotEqual(assemble(blocks[:-1]), rawdata)
def test_no_padd(self):
rawdata = bytes(randomword(30).encode())
blocks = split(rawdata, 10)
self.assertEqual(assemble(blocks), rawdata)
def test_all_word(self):
for i in range(1, 2 ** 10):
rawdata = bytes(randomword(i).encode())
blocks = split(rawdata, 15)
self.assertEqual(assemble(blocks), rawdata)