def test_decrypt_invalidKey(self):
key = keygen.generate()
cyphertext, iv = aescypher.encrypt(self.plaintext, key)
invalid_key = keygen.generate()
while (invalid_key == key):
invalid_key = keygen.generate()
res = aescypher.decrypt(cyphertext, invalid_key, iv)
self.assertNotEqual(self.plaintext, res)
def test_filename_write_read(self):
key = keygen.generate()
f = CryptoFile(testFile("data/hello_there.txt"))
ofile = testFile("out/hello_there.out")
f.write(ofile, key)
f2 = CryptoFile(ofile, key)
self.assertEqual((f2.path, f2.filename, f2.content),
self.hello_content)
def test_generate_noparam(self):
self.assertEqual(len(generate()), 32)
def test_generate_zero(self):
with self.assertRaises(ValueError):
generate(0)
def test_generate_256(self):
self.assertEqual(len(generate(256)), 32)
def test_generate_192(self):
self.assertEqual(len(generate(192)), 24)
def test_generate_128(self):
self.assertEqual(len(generate(128)), 16)
def test_decrypt_char(self):
key = keygen.generate()
plaintext = "a".encode()
cyphertext, iv = aescypher.encrypt(plaintext, key)
res = aescypher.decrypt(cyphertext, key, iv)
self.assertEqual(plaintext, res)
def test_decrypt_key192(self):
key = keygen.generate(192)
cyphertext, iv = aescypher.encrypt(self.plaintext, key)
res = aescypher.decrypt(cyphertext, key, iv)
self.assertEqual(self.plaintext, res)
def test_encrypt_notEqual(self):
key = keygen.generate()
cyphertext = aescypher.encrypt(self.plaintext, key)[0]
self.assertNotEqual(self.plaintext, cyphertext)
def test_decrypt_givenIV(self):
key = keygen.generate()
iv = keygen.generate(128)
cyphertext = aescypher.encrypt(self.plaintext, key, iv)[0]
res = aescypher.decrypt(cyphertext, key, iv)
self.assertEqual(self.plaintext, res)
def test_encrypt_blockSizeMismtch(self):
key = keygen.generate()
plaintext = "test".encode()
cyphertext = aescypher.encrypt(plaintext, key)[0]
self.assertNotEqual(plaintext, cyphertext)
def test_encrypt_givenIV(self):
key = keygen.generate()
iv = keygen.generate(128)
ivOutput = aescypher.encrypt(self.plaintext, key, iv)[1]
self.assertEqual(iv, ivOutput)
