예제 #1
0
    def test_agreement(self):
        alicePublic  =  bytearray([0x05, 0x1b,  0xb7,  0x59,  0x66,
                        0xf2,  0xe9,  0x3a,  0x36,  0x91,
                        0xdf,  0xff,  0x94,  0x2b,  0xb2,
                        0xa4,  0x66,  0xa1,  0xc0,  0x8b,
                        0x8d,  0x78,  0xca,  0x3f,  0x4d,
                        0x6d,  0xf8,  0xb8,  0xbf,  0xa2,
                        0xe4,  0xee,  0x28])
        alicePrivate = bytearray([0xc8, 0x06, 0x43, 0x9d, 0xc9,
                           0xd2, 0xc4, 0x76, 0xff, 0xed,
                           0x8f, 0x25, 0x80, 0xc0, 0x88,
                           0x8d, 0x58, 0xab, 0x40, 0x6b,
                           0xf7, 0xae, 0x36, 0x98, 0x87,
                           0x90, 0x21, 0xb9, 0x6b, 0xb4,
                           0xbf, 0x59])

        bobPublic    = bytearray([0x05, 0x65, 0x36, 0x14, 0x99,
                           0x3d, 0x2b, 0x15, 0xee, 0x9e,
                           0x5f, 0xd3, 0xd8, 0x6c, 0xe7,
                           0x19, 0xef, 0x4e, 0xc1, 0xda,
                           0xae, 0x18, 0x86, 0xa8, 0x7b,
                           0x3f, 0x5f, 0xa9, 0x56, 0x5a,
                           0x27, 0xa2, 0x2f])

        bobPrivate   = bytearray([0xb0, 0x3b, 0x34, 0xc3, 0x3a,
                           0x1c, 0x44, 0xf2, 0x25, 0xb6,
                           0x62, 0xd2, 0xbf, 0x48, 0x59,
                           0xb8, 0x13, 0x54, 0x11, 0xfa,
                           0x7b, 0x03, 0x86, 0xd4, 0x5f,
                           0xb7, 0x5d, 0xc5, 0xb9, 0x1b,
                           0x44, 0x66])

        shared       = bytearray([0x32, 0x5f, 0x23, 0x93, 0x28,
                           0x94, 0x1c, 0xed, 0x6e, 0x67,
                           0x3b, 0x86, 0xba, 0x41, 0x01,
                           0x74, 0x48, 0xe9, 0x9b, 0x64,
                           0x9a, 0x9c, 0x38, 0x06, 0xc1,
                           0xdd, 0x7c, 0xa4, 0xc4, 0x77,
                           0xe6, 0x29])

        alicePublicKey = Curve.decodePoint(alicePublic, 0)
        alicePrivateKey = Curve.decodePrivatePoint(alicePrivate)

        bobPublicKey = Curve.decodePoint(bobPublic, 0)
        bobPrivateKey = Curve.decodePrivatePoint(bobPrivate)

        sharedOne = Curve.calculateAgreement(alicePublicKey, bobPrivateKey)
        sharedTwo = Curve.calculateAgreement(bobPublicKey, alicePrivateKey)

        self.assertEqual(sharedOne, shared)
        self.assertEqual(sharedTwo, shared)
예제 #2
0
    def test_signature(self):
        aliceIdentityPrivate = bytearray([0xc0, 0x97, 0x24, 0x84, 0x12,
                                   0xe5, 0x8b, 0xf0, 0x5d, 0xf4,
                                   0x87, 0x96, 0x82, 0x05, 0x13,
                                   0x27, 0x94, 0x17, 0x8e, 0x36,
                                   0x76, 0x37, 0xf5, 0x81, 0x8f,
                                   0x81, 0xe0, 0xe6, 0xce, 0x73,
                                   0xe8, 0x65])

        aliceIdentityPublic  = bytearray([0x05, 0xab, 0x7e, 0x71, 0x7d,
                                   0x4a, 0x16, 0x3b, 0x7d, 0x9a,
                                   0x1d, 0x80, 0x71, 0xdf, 0xe9,
                                   0xdc, 0xf8, 0xcd, 0xcd, 0x1c,
                                   0xea, 0x33, 0x39, 0xb6, 0x35,
                                   0x6b, 0xe8, 0x4d, 0x88, 0x7e,
                                   0x32, 0x2c, 0x64])

        aliceEphemeralPublic = bytearray([0x05, 0xed, 0xce, 0x9d, 0x9c,
                                   0x41, 0x5c, 0xa7, 0x8c, 0xb7,
                                   0x25, 0x2e, 0x72, 0xc2, 0xc4,
                                   0xa5, 0x54, 0xd3, 0xeb, 0x29,
                                   0x48, 0x5a, 0x0e, 0x1d, 0x50,
                                   0x31, 0x18, 0xd1, 0xa8, 0x2d,
                                   0x99, 0xfb, 0x4a])

        aliceSignature       = bytearray([0x5d, 0xe8, 0x8c, 0xa9, 0xa8,
                                   0x9b, 0x4a, 0x11, 0x5d, 0xa7,
                                   0x91, 0x09, 0xc6, 0x7c, 0x9c,
                                   0x74, 0x64, 0xa3, 0xe4, 0x18,
                                   0x02, 0x74, 0xf1, 0xcb, 0x8c,
                                   0x63, 0xc2, 0x98, 0x4e, 0x28,
                                   0x6d, 0xfb, 0xed, 0xe8, 0x2d,
                                   0xeb, 0x9d, 0xcd, 0x9f, 0xae,
                                   0x0b, 0xfb, 0xb8, 0x21, 0x56,
                                   0x9b, 0x3d, 0x90, 0x01, 0xbd,
                                   0x81, 0x30, 0xcd, 0x11, 0xd4,
                                   0x86, 0xce, 0xf0, 0x47, 0xbd,
                                   0x60, 0xb8, 0x6e, 0x88])

        alicePrivateKey = Curve.decodePrivatePoint(aliceIdentityPrivate)
        alicePublicKey  = Curve.decodePoint(aliceIdentityPublic, 0)
        aliceEphemeral  = Curve.decodePoint(aliceEphemeralPublic, 0)

        res = Curve.verifySignature(alicePublicKey, aliceEphemeral.serialize(), bytes(aliceSignature))
        self.assertTrue(res)
예제 #3
0
 def getSigningKeyPrivate(self):
     return Curve.decodePrivatePoint(self.senderKeyStateStructure.senderSigningKey.private)
예제 #4
0
    def test_rootKeyDerivationV2(self):
        rootKeySeed = bytearray(
            [
                0x7B,
                0xA6,
                0xDE,
                0xBC,
                0x2B,
                0xC1,
                0xBB,
                0xF9,
                0x1A,
                0xBB,
                0xC1,
                0x36,
                0x74,
                0x04,
                0x17,
                0x6C,
                0xA6,
                0x23,
                0x09,
                0x5B,
                0x7E,
                0xC6,
                0x6B,
                0x45,
                0xF6,
                0x02,
                0xD9,
                0x35,
                0x38,
                0x94,
                0x2D,
                0xCC,
            ]
        )

        alicePublic = bytearray(
            [
                0x05,
                0xEE,
                0x4F,
                0xA6,
                0xCD,
                0xC0,
                0x30,
                0xDF,
                0x49,
                0xEC,
                0xD0,
                0xBA,
                0x6C,
                0xFC,
                0xFF,
                0xB2,
                0x33,
                0xD3,
                0x65,
                0xA2,
                0x7F,
                0xAD,
                0xBE,
                0xFF,
                0x77,
                0xE9,
                0x63,
                0xFC,
                0xB1,
                0x62,
                0x22,
                0xE1,
                0x3A,
            ]
        )

        alicePrivate = bytearray(
            [
                0x21,
                0x68,
                0x22,
                0xEC,
                0x67,
                0xEB,
                0x38,
                0x04,
                0x9E,
                0xBA,
                0xE7,
                0xB9,
                0x39,
                0xBA,
                0xEA,
                0xEB,
                0xB1,
                0x51,
                0xBB,
                0xB3,
                0x2D,
                0xB8,
                0x0F,
                0xD3,
                0x89,
                0x24,
                0x5A,
                0xC3,
                0x7A,
                0x94,
                0x8E,
                0x50,
            ]
        )

        bobPublic = bytearray(
            [
                0x05,
                0xAB,
                0xB8,
                0xEB,
                0x29,
                0xCC,
                0x80,
                0xB4,
                0x71,
                0x09,
                0xA2,
                0x26,
                0x5A,
                0xBE,
                0x97,
                0x98,
                0x48,
                0x54,
                0x06,
                0xE3,
                0x2D,
                0xA2,
                0x68,
                0x93,
                0x4A,
                0x95,
                0x55,
                0xE8,
                0x47,
                0x57,
                0x70,
                0x8A,
                0x30,
            ]
        )

        nextRoot = bytearray(
            [
                0xB1,
                0x14,
                0xF5,
                0xDE,
                0x28,
                0x01,
                0x19,
                0x85,
                0xE6,
                0xEB,
                0xA2,
                0x5D,
                0x50,
                0xE7,
                0xEC,
                0x41,
                0xA9,
                0xB0,
                0x2F,
                0x56,
                0x93,
                0xC5,
                0xC7,
                0x88,
                0xA6,
                0x3A,
                0x06,
                0xD2,
                0x12,
                0xA2,
                0xF7,
                0x31,
            ]
        )

        nextChain = bytearray(
            [
                0x9D,
                0x7D,
                0x24,
                0x69,
                0xBC,
                0x9A,
                0xE5,
                0x3E,
                0xE9,
                0x80,
                0x5A,
                0xA3,
                0x26,
                0x4D,
                0x24,
                0x99,
                0xA3,
                0xAC,
                0xE8,
                0x0F,
                0x4C,
                0xCA,
                0xE2,
                0xDA,
                0x13,
                0x43,
                0x0C,
                0x5C,
                0x55,
                0xB5,
                0xCA,
                0x5F,
            ]
        )

        alicePublicKey = Curve.decodePoint(alicePublic, 0)
        alicePrivateKey = Curve.decodePrivatePoint(alicePrivate)
        aliceKeyPair = ECKeyPair(alicePublicKey, alicePrivateKey)
        bobPublicKey = Curve.decodePoint(bobPublic, 0)
        rootKey = RootKey(HKDF.createFor(2), rootKeySeed)
        rootKeyChainKeyPair = rootKey.createChain(bobPublicKey, aliceKeyPair)

        nextRootKey = rootKeyChainKeyPair[0]
        nextChainKey = rootKeyChainKeyPair[1]

        self.assertEqual(rootKey.getKeyBytes(), rootKeySeed)
        self.assertEqual(nextRootKey.getKeyBytes(), nextRoot)
        self.assertEqual(nextChainKey.getKey(), nextChain)
    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)