Examples with KeyDerivation com.sparrowwallet.drongo.KeyDerivation used on opensource projects

Example 11 with KeyDerivation

use of com.sparrowwallet.drongo.KeyDerivation in project sparrow by sparrowwallet.

the class ColdcardMultisig method importWallet.

@Override
public Wallet importWallet(InputStream inputStream, String password) throws ImportException {
    Wallet wallet = new Wallet();
    wallet.setPolicyType(PolicyType.MULTI);
    int threshold = 2;
    ScriptType scriptType = ScriptType.P2SH;
    String derivation = null;
    try {
        List<String> lines = CharStreams.readLines(new InputStreamReader(inputStream, StandardCharsets.UTF_8));
        for (String line : lines) {
            line = line.trim();
            if (line.isEmpty()) {
                continue;
            }
            String[] keyValue = line.split(":");
            if (keyValue.length == 2) {
                String key = keyValue[0].trim();
                String value = keyValue[1].trim();
                switch(key) {
                    case "Name":
                        wallet.setName(value.trim());
                        break;
                    case "Policy":
                        threshold = Integer.parseInt(value.split(" ")[0]);
                        break;
                    case "Derivation":
                    case "# derivation":
                        derivation = value;
                        break;
                    case "Format":
                        scriptType = ScriptType.valueOf(value.replace("P2WSH-P2SH", "P2SH_P2WSH"));
                        break;
                    default:
                        if (key.length() == 8 && Utils.isHex(key)) {
                            Keystore keystore = new Keystore("Coldcard");
                            keystore.setSource(KeystoreSource.HW_AIRGAPPED);
                            keystore.setWalletModel(WalletModel.COLDCARD);
                            keystore.setKeyDerivation(new KeyDerivation(key, derivation));
                            keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(value));
                            wallet.makeLabelsUnique(keystore);
                            wallet.getKeystores().add(keystore);
                        }
                }
            }
        }
        Policy policy = Policy.getPolicy(PolicyType.MULTI, scriptType, wallet.getKeystores(), threshold);
        wallet.setDefaultPolicy(policy);
        wallet.setScriptType(scriptType);
        if (!wallet.isValid()) {
            throw new IllegalStateException("This file does not describe a valid wallet. " + getKeystoreImportDescription());
        }
        return wallet;
    } catch (Exception e) {
        throw new ImportException("Error importing " + getName() + " wallet", e);
    }
}

Example 12 with KeyDerivation

use of com.sparrowwallet.drongo.KeyDerivation in project sparrow by sparrowwallet.

the class ColdcardSinglesig method getKeystore.

@Override
public Keystore getKeystore(ScriptType scriptType, InputStream inputStream, String password) throws ImportException {
    try {
        Gson gson = new Gson();
        Type stringStringMap = new TypeToken<Map<String, JsonElement>>() {
        }.getType();
        Map<String, JsonElement> map = gson.fromJson(new InputStreamReader(inputStream, StandardCharsets.UTF_8), stringStringMap);
        if (map.get("xfp") == null) {
            throw new ImportException("File was not a valid " + getName() + " wallet export");
        }
        String masterFingerprint = map.get("xfp").getAsString();
        for (String key : map.keySet()) {
            if (key.startsWith("bip")) {
                ColdcardKeystore ck = gson.fromJson(map.get(key), ColdcardKeystore.class);
                if (ck.name != null) {
                    ScriptType ckScriptType = ScriptType.valueOf(ck.name.replace("p2wpkh-p2sh", "p2sh_p2wpkh").replace("p2sh-p2wpkh", "p2sh_p2wpkh").toUpperCase());
                    if (ckScriptType.equals(scriptType)) {
                        Keystore keystore = new Keystore();
                        keystore.setLabel(getName());
                        keystore.setSource(KeystoreSource.HW_AIRGAPPED);
                        keystore.setWalletModel(WalletModel.COLDCARD);
                        keystore.setKeyDerivation(new KeyDerivation(masterFingerprint, ck.deriv));
                        keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(ck.xpub));
                        return keystore;
                    }
                }
            }
        }
    } catch (Exception e) {
        throw new ImportException("Error getting " + getName() + " keystore", e);
    }
    throw new ImportException("Correct derivation not found for script type: " + scriptType);
}

Example 13 with KeyDerivation

use of com.sparrowwallet.drongo.KeyDerivation in project sparrow by sparrowwallet.

the class KeystoneSinglesig method getKeystore.

@Override
public Keystore getKeystore(ScriptType scriptType, InputStream inputStream, String password) throws ImportException {
    try {
        String outputDescriptor = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));
        OutputDescriptor descriptor = OutputDescriptor.getOutputDescriptor(outputDescriptor);
        if (descriptor.isMultisig()) {
            throw new IllegalArgumentException("Output descriptor describes a multisig wallet");
        }
        if (descriptor.getScriptType() != scriptType) {
            throw new IllegalArgumentException("Output descriptor describes a " + descriptor.getScriptType().getDescription() + " wallet");
        }
        ExtendedKey xpub = descriptor.getSingletonExtendedPublicKey();
        KeyDerivation keyDerivation = descriptor.getKeyDerivation(xpub);
        Keystore keystore = new Keystore();
        keystore.setLabel(getName());
        keystore.setSource(KeystoreSource.HW_AIRGAPPED);
        keystore.setWalletModel(WalletModel.KEYSTONE);
        keystore.setKeyDerivation(keyDerivation);
        keystore.setExtendedPublicKey(xpub);
        return keystore;
    } catch (IllegalArgumentException e) {
        throw new ImportException("Error getting " + getName() + " keystore - not an output descriptor", e);
    } catch (Exception e) {
        throw new ImportException("Error getting " + getName() + " keystore", e);
    }
}

Example 14 with KeyDerivation

use of com.sparrowwallet.drongo.KeyDerivation in project drongo by sparrowwallet.

the class PSBTEntry method parseTaprootKeyDerivation.

public static Map<KeyDerivation, List<Sha256Hash>> parseTaprootKeyDerivation(byte[] data) throws PSBTParseException {
    if (data.length < 1) {
        throw new PSBTParseException("Invalid taproot key derivation: no bytes");
    }
    VarInt varInt = new VarInt(data, 0);
    int offset = varInt.getOriginalSizeInBytes();
    if (data.length < offset + (varInt.value * 32)) {
        throw new PSBTParseException("Invalid taproot key derivation: not enough bytes for leaf hashes");
    }
    List<Sha256Hash> leafHashes = new ArrayList<>();
    for (int i = 0; i < varInt.value; i++) {
        leafHashes.add(Sha256Hash.wrap(Arrays.copyOfRange(data, offset + (i * 32), offset + (i * 32) + 32)));
    }
    KeyDerivation keyDerivation = parseKeyDerivation(Arrays.copyOfRange(data, offset + (leafHashes.size() * 32), data.length));
    return Map.of(keyDerivation, leafHashes);
}

Example 15 with KeyDerivation

use of com.sparrowwallet.drongo.KeyDerivation in project drongo by sparrowwallet.

the class Keystore method rederiveKeystoreFromMaster.

private static void rederiveKeystoreFromMaster(Keystore keystore, List<ChildNumber> derivation) throws MnemonicException {
    ExtendedKey xprv = keystore.getExtendedMasterPrivateKey();
    String masterFingerprint = Utils.bytesToHex(xprv.getKey().getFingerprint());
    DeterministicKey derivedKey = xprv.getKey(derivation);
    DeterministicKey derivedKeyPublicOnly = derivedKey.dropPrivateBytes().dropParent();
    ExtendedKey xpub = new ExtendedKey(derivedKeyPublicOnly, derivedKey.getParentFingerprint(), derivation.isEmpty() ? ChildNumber.ZERO : derivation.get(derivation.size() - 1));
    keystore.setSource(KeystoreSource.SW_SEED);
    keystore.setWalletModel(WalletModel.SPARROW);
    keystore.setKeyDerivation(new KeyDerivation(masterFingerprint, KeyDerivation.writePath(derivation)));
    keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(xpub.toString()));
    int account = ScriptType.getScriptTypesForPolicyType(PolicyType.SINGLE).stream().mapToInt(scriptType -> scriptType.getAccount(keystore.getKeyDerivation().getDerivationPath())).filter(idx -> idx > -1).findFirst().orElse(0);
    List<ChildNumber> bip47Derivation = KeyDerivation.getBip47Derivation(account);
    DeterministicKey bip47Key = xprv.getKey(bip47Derivation);
    ExtendedKey bip47ExtendedPrivateKey = new ExtendedKey(bip47Key, bip47Key.getParentFingerprint(), bip47Derivation.get(bip47Derivation.size() - 1));
    keystore.setBip47ExtendedPrivateKey(ExtendedKey.fromDescriptor(bip47ExtendedPrivateKey.toString()));
}