def parsePayload(cls, data, private=False):
p, data = read_mpi(data)
q, data = read_mpi(data)
g, data = read_mpi(data)
y, data = read_mpi(data)
if private:
x, data = read_mpi(data)
return cls((y, g, p, q, x), private=True), data
return cls((y, g, p, q), private=False), data
def parsePayload(cls, data, private=False):
p, data = read_mpi(data)
q, data = read_mpi(data)
g, data = read_mpi(data)
y, data = read_mpi(data)
if private:
x, data = read_mpi(data)
return cls((y, g, p, q, x), private=True), data
return cls((y, g, p, q), private=False), data
def handleRevealSig(self, msg):
if self.state != STATE_AWAITING_REVEALSIG:
logger.error('bad state for RevealSig')
raise InvalidParameterError
self.r = msg.rkey
gxmpi = AESCTR(self.r).decrypt(self.encgx)
if SHA256(gxmpi) != self.hashgx:
logger.error('Hashes don\'t match')
logger.info('r=%r, hashgx=%r, computed hash=%r, gxmpi=%r',
self.r, self.hashgx, SHA256(gxmpi), gxmpi)
raise InvalidParameterError
self.gy = read_mpi(gxmpi)[0]
self.createAuthKeys()
if msg.mac != SHA256HMAC160(self.mac_m2, msg.getMacedData()):
logger.error('HMACs don\'t match')
logger.info('mac=%r, mac_m2=%r, data=%r', msg.mac, self.mac_m2,
msg.getMacedData())
raise InvalidParameterError
self.checkPubkeyAuth(self.enc_c, self.mac_m1, msg.encsig)
aesxb = self.calculatePubkeyAuth(self.enc_cp, self.mac_m1p)
self.sessionIdHalf = True
self.onSuccess(self)
self.ourKeyid = 0
self.state = STATE_NONE
cmpmac = struct.pack(b'!I', len(aesxb)) + aesxb
return proto.Signature(aesxb, SHA256HMAC160(self.mac_m2p, cmpmac))
def handleRevealSig(self, msg):
if self.state != STATE_AWAITING_REVEALSIG:
logger.error('bad state for RevealSig')
raise InvalidParameterError
self.r = msg.rkey
gxmpi = AESCTR(self.r).decrypt(self.encgx)
if SHA256(gxmpi) != self.hashgx:
logger.error('Hashes don\'t match')
logger.info('r=%r, hashgx=%r, computed hash=%r, gxmpi=%r',
self.r, self.hashgx, SHA256(gxmpi), gxmpi)
raise InvalidParameterError
self.gy = read_mpi(gxmpi)[0]
self.createAuthKeys()
if msg.mac != SHA256HMAC160(self.mac_m2, msg.getMacedData()):
logger.error('HMACs don\'t match')
logger.info('mac=%r, mac_m2=%r, data=%r', msg.mac, self.mac_m2,
msg.getMacedData())
raise InvalidParameterError
self.checkPubkeyAuth(self.enc_c, self.mac_m1, msg.encsig)
aesxb = self.calculatePubkeyAuth(self.enc_cp, self.mac_m1p)
self.sessionIdHalf = True
self.onSuccess(self)
self.ourKeyid = 0
self.state = STATE_NONE
cmpmac = struct.pack(b'!I', len(aesxb)) + aesxb
return proto.Signature(aesxb, SHA256HMAC160(self.mac_m2p, cmpmac))
def parsePayload(cls, data):
mpis = []
if cls.dlen > 0:
count, data = unpack(b"!I", data)
for i in range(count):
n, data = read_mpi(data)
mpis.append(n)
if len(data) > 0:
raise TypeError("too much data for {0} mpis".format(cls.dlen))
return cls(mpis)
def parsePayload(cls, data):
mpis = []
if cls.dlen > 0:
count, data = unpack(b'!I', data)
for _ in range(count):
n, data = read_mpi(data)
mpis.append(n)
if len(data) > 0:
raise TypeError('too much data for {0} mpis'.format(cls.dlen))
return cls(mpis)
def parse_serialized_pubKey(cls, serializedPubKey): a, data = read_mpi(serializedPubKey) b = read_mpi(data)[0] return (a, b)
def parse_serialized_privKey(cls, serializedPrivKey): return read_mpi(serializedPrivKey)[0]
