mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-17 21:22:10 +00:00
118 lines
4.5 KiB
Python
118 lines
4.5 KiB
Python
from common import *
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from apps.common import HARDENED, coins
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from apps.common.seed import Keychain, Slip21Node, _path_hardened
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from apps.wallet.sign_tx import scripts, addresses
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from trezor import wire
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from trezor.crypto import bip39
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from trezor.crypto.curve import secp256k1
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class TestKeychain(unittest.TestCase):
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def test_match_path(self):
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n = [
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("ed25519", [44 | HARDENED, 134 | HARDENED]),
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("secp256k1", [44 | HARDENED, 11 | HARDENED]),
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]
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k = Keychain(b"", n)
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correct = (
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([44 | HARDENED, 134 | HARDENED], "ed25519"),
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([44 | HARDENED, 11 | HARDENED], "secp256k1"),
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([44 | HARDENED, 11 | HARDENED, 12], "secp256k1"),
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)
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for path, curve in correct:
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i, suffix = k.match_path(path)
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ns_curve, ns = k.namespaces[i]
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self.assertEqual(curve, ns_curve)
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fails = [
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[44 | HARDENED, 134], # path does not match
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[44, 134], # path does not match (non-hardened items)
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[44 | HARDENED, 134 | HARDENED, 123], # non-hardened item in ed25519 ns
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[44 | HARDENED, 13 | HARDENED], # invalid second item
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]
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for f in fails:
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with self.assertRaises(wire.DataError):
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k.match_path(f)
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def test_match_path_special_ed25519(self):
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n = [
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("ed25519-keccak", [44 | HARDENED, 134 | HARDENED]),
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]
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k = Keychain(b"", n)
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correct = (
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[44 | HARDENED, 134 | HARDENED],
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)
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for c in correct:
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k.match_path(c)
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fails = [
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[44 | HARDENED, 134 | HARDENED, 1],
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]
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for f in fails:
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with self.assertRaises(wire.DataError):
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k.match_path(f)
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def test_match_path_empty_namespace(self):
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k = Keychain(b"", [("secp256k1", [])])
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correct = (
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[],
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[1, 2, 3, 4],
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[44 | HARDENED, 11 | HARDENED],
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[44 | HARDENED, 11 | HARDENED, 12],
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)
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for c in correct:
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k.match_path(c)
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def test_path_hardened(self):
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self.assertTrue(_path_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED]))
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self.assertTrue(_path_hardened([0 | HARDENED, ]))
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self.assertFalse(_path_hardened([44, 44 | HARDENED, 0 | HARDENED]))
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self.assertFalse(_path_hardened([0, ]))
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self.assertFalse(_path_hardened([44 | HARDENED, 1 | HARDENED, 0 | HARDENED, 0 | HARDENED, 0]))
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def test_slip21(self):
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seed = bip39.seed(' '.join(['all'] * 12), '')
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node1 = Slip21Node(seed)
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node2 = node1.clone()
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keychain = Keychain(seed, [("slip21", [b"SLIP-0021"])])
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# Key(m)
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KEY_M = unhexlify(b"dbf12b44133eaab506a740f6565cc117228cbf1dd70635cfa8ddfdc9af734756")
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self.assertEqual(node1.key(), KEY_M)
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# Key(m/"SLIP-0021")
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KEY_M_SLIP0021 = unhexlify(b"1d065e3ac1bbe5c7fad32cf2305f7d709dc070d672044a19e610c77cdf33de0d")
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node1.derive_path([b"SLIP-0021"])
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self.assertEqual(node1.key(), KEY_M_SLIP0021)
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keychain.match_path([b"SLIP-0021"])
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self.assertEqual(keychain.derive([b"SLIP-0021"]).key(), KEY_M_SLIP0021)
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# Key(m/"SLIP-0021"/"Master encryption key")
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KEY_M_SLIP0021_MEK = unhexlify(b"ea163130e35bbafdf5ddee97a17b39cef2be4b4f390180d65b54cf05c6a82fde")
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node1.derive_path([b"Master encryption key"])
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self.assertEqual(node1.key(), KEY_M_SLIP0021_MEK)
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keychain.match_path([b"SLIP-0021", b"Master encryption key"])
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self.assertEqual(keychain.derive([b"SLIP-0021", b"Master encryption key"]).key(), KEY_M_SLIP0021_MEK)
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# Key(m/"SLIP-0021"/"Authentication key")
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KEY_M_SLIP0021_AK = unhexlify(b"47194e938ab24cc82bfa25f6486ed54bebe79c40ae2a5a32ea6db294d81861a6")
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node2.derive_path([b"SLIP-0021", b"Authentication key"])
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self.assertEqual(node2.key(), KEY_M_SLIP0021_AK)
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keychain.match_path([b"SLIP-0021", b"Authentication key"])
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self.assertEqual(keychain.derive([b"SLIP-0021", b"Authentication key"]).key(), KEY_M_SLIP0021_AK)
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# Forbidden paths.
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with self.assertRaises(wire.DataError):
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self.assertFalse(keychain.match_path([]))
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with self.assertRaises(wire.DataError):
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self.assertFalse(keychain.match_path([b"SLIP-9999", b"Authentication key"]))
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with self.assertRaises(wire.DataError):
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keychain.derive([b"SLIP-9999", b"Authentication key"]).key()
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if __name__ == '__main__':
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unittest.main()
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