def test_pull_server_hello_with_unknown_extension(self):
buf = Buffer(data=load("tls_server_hello_with_unknown_extension.bin"))
hello = pull_server_hello(buf)
self.assertTrue(buf.eof())
self.assertEqual(
hello,
ServerHello(
random=binascii.unhexlify(
"ada85271d19680c615ea7336519e3fdf6f1e26f3b1075ee1de96ffa8884e8280"
),
session_id=binascii.unhexlify(
"9aee82a2d186c1cb32a329d9dcfe004a1a438ad0485a53c6bfcf55c132a23235"
),
cipher_suite=tls.CipherSuite.AES_256_GCM_SHA384,
compression_method=tls.CompressionMethod.NULL,
key_share=(
tls.Group.SECP256R1,
binascii.unhexlify(
"048b27d0282242d84b7fcc02a9c4f13eca0329e3c7029aa34a33794e6e7ba189"
"5cca1c503bf0378ac6937c354912116ff3251026bca1958d7f387316c83ae6cf"
"b2"
),
),
supported_version=tls.TLS_VERSION_1_3,
other_extensions=[(12345, b"foo")],
),
)
# serialize
buf = Buffer(1000)
push_server_hello(buf, hello)
self.assertEqual(buf.data, load("tls_server_hello_with_unknown_extension.bin"))
def test_pull_server_hello(self):
buf = Buffer(data=load("tls_server_hello.bin"))
hello = pull_server_hello(buf)
self.assertTrue(buf.eof())
self.assertEqual(
hello.random,
binascii.unhexlify(
"ada85271d19680c615ea7336519e3fdf6f1e26f3b1075ee1de96ffa8884e8280"
),
)
self.assertEqual(
hello.session_id,
binascii.unhexlify(
"9aee82a2d186c1cb32a329d9dcfe004a1a438ad0485a53c6bfcf55c132a23235"
),
)
self.assertEqual(hello.cipher_suite, tls.CipherSuite.AES_256_GCM_SHA384)
self.assertEqual(hello.compression_method, tls.CompressionMethod.NULL)
self.assertEqual(
hello.key_share,
(
tls.Group.SECP256R1,
binascii.unhexlify(
"048b27d0282242d84b7fcc02a9c4f13eca0329e3c7029aa34a33794e6e7ba189"
"5cca1c503bf0378ac6937c354912116ff3251026bca1958d7f387316c83ae6cf"
"b2"
),
),
)
self.assertEqual(hello.pre_shared_key, None)
self.assertEqual(hello.supported_version, tls.TLS_VERSION_1_3)
def test_pull_server_hello_with_psk(self):
buf = Buffer(data=load("tls_server_hello_with_psk.bin"))
hello = pull_server_hello(buf)
self.assertTrue(buf.eof())
self.assertEqual(
hello.random,
binascii.unhexlify(
"ccbaaf04fc1bd5143b2cc6b97520cf37d91470dbfc8127131a7bf0f941e3a137"
),
)
self.assertEqual(
hello.session_id,
binascii.unhexlify(
"9483e7e895d0f4cec17086b0849601c0632662cd764e828f2f892f4c4b7771b0"
),
)
self.assertEqual(hello.cipher_suite, tls.CipherSuite.AES_256_GCM_SHA384)
self.assertEqual(hello.compression_method, tls.CompressionMethod.NULL)
self.assertEqual(
hello.key_share,
(
tls.Group.SECP256R1,
binascii.unhexlify(
"0485d7cecbebfc548fc657bf51b8e8da842a4056b164a27f7702ca318c16e488"
"18b6409593b15c6649d6f459387a53128b164178adc840179aad01d36ce95d62"
"76"
),
),
)
self.assertEqual(hello.pre_shared_key, 0)
self.assertEqual(hello.supported_version, tls.TLS_VERSION_1_3)
# serialize
buf = Buffer(1000)
push_server_hello(buf, hello)
self.assertEqual(buf.data, load("tls_server_hello_with_psk.bin"))