def initializeSessionsV2(self, aliceSessionState, bobSessionState):
aliceIdentityKeyPair = Curve.generateKeyPair()
aliceIdentityKey = IdentityKeyPair(IdentityKey(aliceIdentityKeyPair.getPublicKey()),
aliceIdentityKeyPair.getPrivateKey())
aliceBaseKey = Curve.generateKeyPair()
aliceEphemeralKey = Curve.generateKeyPair()
bobIdentityKeyPair = Curve.generateKeyPair()
bobIdentityKey = IdentityKeyPair(IdentityKey(bobIdentityKeyPair.getPublicKey()),
bobIdentityKeyPair.getPrivateKey())
bobBaseKey = Curve.generateKeyPair()
bobEphemeralKey = bobBaseKey
aliceParameters = AliceAxolotlParameters.newBuilder()\
.setOurIdentityKey(aliceIdentityKey)\
.setOurBaseKey(aliceBaseKey)\
.setTheirIdentityKey(bobIdentityKey.getPublicKey())\
.setTheirSignedPreKey(bobEphemeralKey.getPublicKey())\
.setTheirRatchetKey(bobEphemeralKey.getPublicKey())\
.setTheirOneTimePreKey(None)\
.create()
bobParameters = BobAxolotlParameters.newBuilder()\
.setOurIdentityKey(bobIdentityKey)\
.setOurOneTimePreKey(None)\
.setOurRatchetKey(bobEphemeralKey)\
.setOurSignedPreKey(bobBaseKey)\
.setTheirBaseKey(aliceBaseKey.getPublicKey())\
.setTheirIdentityKey(aliceIdentityKey.getPublicKey())\
.create()
RatchetingSession.initializeSessionAsAlice(aliceSessionState, 2, aliceParameters)
RatchetingSession.initializeSessionAsBob(bobSessionState, 2, bobParameters)
def getIdentityKeyPair(self):
query = '''SELECT public_key as "public_key [pk]", private_key
FROM secret LIMIT 1'''
result = self._con.execute(query).fetchone()
return IdentityKeyPair(result.public_key,
DjbECPrivateKey(result.private_key))
def getIdentityKeyPair(self):
q = "SELECT public_key, private_key FROM identities WHERE recipient_id = -1"
c = self.dbConn.cursor()
c.execute(q)
result = c.fetchone()
publicKey, privateKey = result
return IdentityKeyPair(IdentityKey(DjbECPublicKey(publicKey[1:])), DjbECPrivateKey(privateKey))
def getIdentityKeyPair(self):
q = "SELECT public_key, private_key FROM {}_identities WHERE recipient_id = -1".format(
self.phoneNumber)
dbConn = self.get_conn()
c = dbConn.cursor()
c.execute(q)
result = c.fetchone()
dbConn.close()
publicKey, privateKey = result
return IdentityKeyPair(IdentityKey(DjbECPublicKey(publicKey[1:])),
DjbECPrivateKey(privateKey))
def test_ratchetingSessionAsBob(self):
bobPublic = bytearray([0x05, 0x2c, 0xb4, 0x97,
0x76, 0xb8, 0x77, 0x02,
0x05, 0x74, 0x5a, 0x3a,
0x6e, 0x24, 0xf5, 0x79,
0xcd, 0xb4, 0xba, 0x7a,
0x89, 0x04, 0x10, 0x05,
0x92, 0x8e, 0xbb, 0xad,
0xc9, 0xc0, 0x5a, 0xd4,
0x58])
bobPrivate = bytearray([0xa1, 0xca, 0xb4, 0x8f,
0x7c, 0x89, 0x3f, 0xaf,
0xa9, 0x88, 0x0a, 0x28,
0xc3, 0xb4, 0x99, 0x9d,
0x28, 0xd6, 0x32, 0x95,
0x62, 0xd2, 0x7a, 0x4e,
0xa4, 0xe2, 0x2e, 0x9f,
0xf1, 0xbd, 0xd6, 0x5a])
bobIdentityPublic = bytearray([0x05, 0xf1, 0xf4, 0x38,
0x74, 0xf6, 0x96, 0x69,
0x56, 0xc2, 0xdd, 0x47,
0x3f, 0x8f, 0xa1, 0x5a,
0xde, 0xb7, 0x1d, 0x1c,
0xb9, 0x91, 0xb2, 0x34,
0x16, 0x92, 0x32, 0x4c,
0xef, 0xb1, 0xc5, 0xe6,
0x26])
bobIdentityPrivate = bytearray([0x48, 0x75, 0xcc, 0x69,
0xdd, 0xf8, 0xea, 0x07,
0x19, 0xec, 0x94, 0x7d,
0x61, 0x08, 0x11, 0x35,
0x86, 0x8d, 0x5f, 0xd8,
0x01, 0xf0, 0x2c, 0x02,
0x25, 0xe5, 0x16, 0xdf,
0x21, 0x56, 0x60, 0x5e])
aliceBasePublic = bytearray([0x05, 0x47, 0x2d, 0x1f,
0xb1, 0xa9, 0x86, 0x2c,
0x3a, 0xf6, 0xbe, 0xac,
0xa8, 0x92, 0x02, 0x77,
0xe2, 0xb2, 0x6f, 0x4a,
0x79, 0x21, 0x3e, 0xc7,
0xc9, 0x06, 0xae, 0xb3,
0x5e, 0x03, 0xcf, 0x89,
0x50])
aliceEphemeralPublic = bytearray([0x05, 0x6c, 0x3e, 0x0d,
0x1f, 0x52, 0x02, 0x83,
0xef, 0xcc, 0x55, 0xfc,
0xa5, 0xe6, 0x70, 0x75,
0xb9, 0x04, 0x00, 0x7f,
0x18, 0x81, 0xd1, 0x51,
0xaf, 0x76, 0xdf, 0x18,
0xc5, 0x1d, 0x29, 0xd3,
0x4b])
aliceIdentityPublic = bytearray([0x05, 0xb4, 0xa8, 0x45,
0x56, 0x60, 0xad, 0xa6,
0x5b, 0x40, 0x10, 0x07,
0xf6, 0x15, 0xe6, 0x54,
0x04, 0x17, 0x46, 0x43,
0x2e, 0x33, 0x39, 0xc6,
0x87, 0x51, 0x49, 0xbc,
0xee, 0xfc, 0xb4, 0x2b,
0x4a])
senderChain = bytearray([0xd2, 0x2f, 0xd5, 0x6d, 0x3f,
0xec, 0x81, 0x9c, 0xf4, 0xc3,
0xd5, 0x0c, 0x56, 0xed, 0xfb,
0x1c, 0x28, 0x0a, 0x1b, 0x31,
0x96, 0x45, 0x37, 0xf1, 0xd1,
0x61, 0xe1, 0xc9, 0x31, 0x48,
0xe3, 0x6b])
bobIdentityKeyPublic = IdentityKey(bobIdentityPublic, 0)
bobIdentityKeyPrivate = Curve.decodePrivatePoint(bobIdentityPrivate)
bobIdentityKey = IdentityKeyPair(bobIdentityKeyPublic, bobIdentityKeyPrivate)
bobEphemeralPublicKey = Curve.decodePoint(bobPublic, 0)
bobEphemeralPrivateKey = Curve.decodePrivatePoint(bobPrivate)
bobEphemeralKey = ECKeyPair(bobEphemeralPublicKey, bobEphemeralPrivateKey)
bobBaseKey = bobEphemeralKey
aliceBasePublicKey = Curve.decodePoint(aliceBasePublic, 0)
aliceEphemeralPublicKey = Curve.decodePoint(aliceEphemeralPublic, 0)
aliceIdentityPublicKey = IdentityKey(aliceIdentityPublic, 0)
parameters = BobAxolotlParameters.newBuilder()\
.setOurIdentityKey(bobIdentityKey)\
.setOurSignedPreKey(bobBaseKey)\
.setOurRatchetKey(bobEphemeralKey)\
.setOurOneTimePreKey(None)\
.setTheirIdentityKey(aliceIdentityPublicKey)\
.setTheirBaseKey(aliceBasePublicKey)\
.create()
session = SessionState()
RatchetingSession.initializeSessionAsBob(session, 2, parameters)
self.assertEqual(session.getLocalIdentityKey(), bobIdentityKey.getPublicKey())
self.assertEqual(session.getRemoteIdentityKey(), aliceIdentityPublicKey)
self.assertEqual(session.getSenderChainKey().getKey(), senderChain)