コード例 #1
0
  public void encryption(SimpleHDKeyChain unencChain) throws UnreadableWalletException {
    DeterministicKey key1 = unencChain.getKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
    SimpleHDKeyChain encChain = unencChain.toEncrypted("open secret");
    DeterministicKey encKey1 = encChain.findKeyFromPubKey(key1.getPubKey());
    checkEncryptedKeyChain(encChain, key1);

    // Round-trip to ensure de/serialization works and that we can store two chains and they both
    // deserialize.
    List<Protos.Key> serialized = encChain.toProtobuf();
    System.out.println(protoToString(serialized));
    encChain = SimpleHDKeyChain.fromProtobuf(serialized, encChain.getKeyCrypter());
    checkEncryptedKeyChain(encChain, unencChain.findKeyFromPubKey(key1.getPubKey()));

    DeterministicKey encKey2 = encChain.getKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
    // Decrypt and check the keys match.
    SimpleHDKeyChain decChain = encChain.toDecrypted("open secret");
    DeterministicKey decKey1 = decChain.findKeyFromPubHash(encKey1.getPubKeyHash());
    DeterministicKey decKey2 = decChain.findKeyFromPubHash(encKey2.getPubKeyHash());
    assertEquals(decKey1.getPubKeyPoint(), encKey1.getPubKeyPoint());
    assertEquals(decKey2.getPubKeyPoint(), encKey2.getPubKeyPoint());
    assertFalse(decKey1.isEncrypted());
    assertFalse(decKey2.isEncrypted());
    assertNotEquals(encKey1.getParent(), decKey1.getParent()); // parts of a different hierarchy
    // Check we can once again derive keys from the decrypted chain.
    decChain.getKey(KeyChain.KeyPurpose.RECEIVE_FUNDS).sign(Sha256Hash.ZERO_HASH);
    decChain.getKey(KeyChain.KeyPurpose.CHANGE).sign(Sha256Hash.ZERO_HASH);
  }
コード例 #2
0
  public void serializeUnencrypted(SimpleHDKeyChain keyChain, String expectedSerialization)
      throws UnreadableWalletException {
    keyChain.setLookaheadSize(10);

    keyChain.maybeLookAhead();
    DeterministicKey key1 = keyChain.getKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
    DeterministicKey key2 = keyChain.getKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
    DeterministicKey key3 = keyChain.getKey(KeyChain.KeyPurpose.CHANGE);
    List<Protos.Key> keys = keyChain.toProtobuf();
    // 1 master key, 1 account key, 2 internal keys, 3 derived, 20 lookahead and 5 lookahead
    // threshold.
    int numItems =
        1 // master key/account key
            + 2 // ext/int parent keys
            + (keyChain.getLookaheadSize() + keyChain.getLookaheadThreshold())
                * 2 // lookahead zone on each chain
        ;
    assertEquals(numItems, keys.size());

    // Get another key that will be lost during round-tripping, to ensure we can derive it again.
    DeterministicKey key4 = keyChain.getKey(KeyChain.KeyPurpose.CHANGE);

    String sb = protoToString(keys);
    assertEquals(expectedSerialization, sb);

    // Round trip the data back and forth to check it is preserved.
    int oldLookaheadSize = keyChain.getLookaheadSize();
    keyChain = SimpleHDKeyChain.fromProtobuf(keys, null);
    assertEquals(expectedSerialization, protoToString(keyChain.toProtobuf()));
    assertEquals(key1, keyChain.findKeyFromPubHash(key1.getPubKeyHash()));
    assertEquals(key2, keyChain.findKeyFromPubHash(key2.getPubKeyHash()));
    assertEquals(key3, keyChain.findKeyFromPubHash(key3.getPubKeyHash()));
    assertEquals(key4, keyChain.getKey(KeyChain.KeyPurpose.CHANGE));
    key1.sign(Sha256Hash.ZERO_HASH);
    key2.sign(Sha256Hash.ZERO_HASH);
    key3.sign(Sha256Hash.ZERO_HASH);
    key4.sign(Sha256Hash.ZERO_HASH);
    assertEquals(oldLookaheadSize, keyChain.getLookaheadSize());
  }