def _getData(self) -> bytes:
data = b''
# Add public key
data += prependedLen(self.public_key, 1)
# Prepend hanshake record
data = b'\x10' + prependedLen(data, 3)
return data
def __init__(self, hostnames: [str]):
data = formattedArray([
b'\0' # Byte to indicate entry type is DNS Hostname
+ prependedLen(bytes(hostname, 'ascii', 'strict'))
for hostname in hostnames
])
super().__init__(SERVER_NAME_EXTENSION, data)
def _getData(self) -> bytes:
data = b''
# Add client version
data += b'\x03\x03'
# Add random bytes
data += self.randomness
# Add session id
data += b'\0'
# Add ciphersuites
data += prependedLen(b''.join(self.ciphersuites))
# Add compression methods (We don't want any)
data += b'\x01\x00'
# Add extensions
data += prependedLen(b''.join([bytes(e) for e in self.extensions]))
# Prepend handshake header
data = b'\x01' + prependedLen(data, 3)
return data
def __init__(self, sigAlgos=[]):
if not sigAlgos:
sigAlgos = [RSA_PKCS1_SHA256]
data = prependedLen(b''.join(sigAlgos))
super().__init__(SIGNATURE_ALGORITHMS, data)
def __init__(self):
data = prependedLen(b'\x00', 1)
super().__init__(EC_POINT_FORMATS, data)
def __init__(self):
# Hardcoded now to only support curve 25519.
data = prependedLen(b'\x00\x1d')
super().__init__(SUPPORTED_GROUPS, data)
def __bytes__(self):
return self.extension_type + prependedLen(self.data)
def __bytes__(self):
# Prepend record header
return self.content_type + self.version + prependedLen(self.data)