Java Code Examples for net.bither.bitherj.crypto.mnemonic.MnemonicCode#instance()

The following examples show how to use net.bither.bitherj.crypto.mnemonic.MnemonicCode#instance() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DesktopHDMKeychain.java    From bitherj with Apache License 2.0 5 votes vote down vote up 
public static boolean checkPassword(String keysString, CharSequence password) throws
        MnemonicException.MnemonicLengthException {
    String[] passwordSeeds = QRCodeUtil.splitOfPasswordSeed(keysString);
    String address = Base58.hexToBase58WithAddress(passwordSeeds[0]);
    String encreyptString = Utils.joinString(new String[]{passwordSeeds[1], passwordSeeds[2],
            passwordSeeds[3]}, QRCodeUtil.QR_CODE_SPLIT);
    byte[] seed = new EncryptedData(encreyptString).decrypt(password);
    MnemonicCode mnemonic = MnemonicCode.instance();

    byte[] s = mnemonic.toSeed(mnemonic.toMnemonic(seed), "");

    DeterministicKey master = HDKeyDerivation.createMasterPrivateKey(s);

    DeterministicKey purpose = master.deriveHardened(44);

    DeterministicKey coinType = purpose.deriveHardened(0);

    DeterministicKey account = coinType.deriveHardened(0);

    DeterministicKey external = account.deriveSoftened(0);

    external.clearPrivateKey();

    DeterministicKey key = external.deriveSoftened(0);
    boolean result = Utils.compareString(address, Utils.toAddress(key.getPubKeyHash()));
    key.wipe();

    return result;
}
Example 2
Source File: HDMKeychain.java    From bitherj with Apache License 2.0 5 votes vote down vote up 
public static boolean checkPassword(String keysString, CharSequence password) throws
        MnemonicException.MnemonicLengthException {
    String[] passwordSeeds = QRCodeUtil.splitOfPasswordSeed(keysString);
    String address = Base58.hexToBase58WithAddress(passwordSeeds[0]);
    String encreyptString = Utils.joinString(new String[]{passwordSeeds[1], passwordSeeds[2],
            passwordSeeds[3]}, QRCodeUtil.QR_CODE_SPLIT);
    byte[] seed = new EncryptedData(encreyptString).decrypt(password);
    MnemonicCode mnemonic = MnemonicCode.instance();

    byte[] s = mnemonic.toSeed(mnemonic.toMnemonic(seed), "");

    DeterministicKey master = HDKeyDerivation.createMasterPrivateKey(s);

    DeterministicKey purpose = master.deriveHardened(44);

    DeterministicKey coinType = purpose.deriveHardened(0);

    DeterministicKey account = coinType.deriveHardened(0);

    DeterministicKey external = account.deriveSoftened(0);

    external.clearPrivateKey();

    DeterministicKey key = external.deriveSoftened(0);
    boolean result = Utils.compareString(address, Utils.toAddress(key.getPubKeyHash()));
    key.wipe();

    return result;
}
Example 3
Source File: HDAccountColdUEntropyActivity.java    From bither-android with Apache License 2.0 4 votes vote down vote up 
@Override
public void runWithService(BlockchainService service) {
    boolean success = false;
    onProgress(startProgress);

    try {
        if (service != null) {
            service.stopAndUnregister();
        }
        entropyCollector.start();

        XRandom xRandom = new XRandom(entropyCollector);

        if (cancelRunnable != null) {
            finishGenerate(service);
            runOnUiThread(cancelRunnable);
            return;
        }

        HDAccountCold hdAccount = new HDAccountCold(MnemonicCode.instance(), xRandom, password);
        if (cancelRunnable != null) {
            finishGenerate(service);
            runOnUiThread(cancelRunnable);
            return;
        }


        words = hdAccount.getSeedWords(password);

        BackupUtil.backupColdKey(false);

        onProgress(1);

        entropyCollector.stop();
        success = true;
    } catch (Exception e) {
        e.printStackTrace();
    }

    finishGenerate(service);
    if (success) {
        while (System.currentTimeMillis() - startGeneratingTime < MinGeneratingTime) {

        }
        onProgress(1);
        onSuccess(HDAccount.HDAccountPlaceHolder);
    } else {
        onFailed();
    }
}
Example 4
Source File: BitpieHDAccountColdUEntropyActivity.java    From bither-android with Apache License 2.0 4 votes vote down vote up 
@Override
public void runWithService(BlockchainService service) {
    boolean success = false;
    onProgress(startProgress);

    try {
        if (service != null) {
            service.stopAndUnregister();
        }
        entropyCollector.start();

        XRandom xRandom = new XRandom(entropyCollector);

        if (cancelRunnable != null) {
            finishGenerate(service);
            runOnUiThread(cancelRunnable);
            return;
        }

        BitpieHDAccountCold hdAccount = new BitpieHDAccountCold(MnemonicCode.instance(), xRandom, password);
        if (cancelRunnable != null) {
            finishGenerate(service);
            runOnUiThread(cancelRunnable);
            return;
        }


        words = hdAccount.getSeedWords(password);

        BackupUtil.backupColdKey(false);

        onProgress(1);

        entropyCollector.stop();
        success = true;
    } catch (Exception e) {
        e.printStackTrace();
    }

    finishGenerate(service);
    if (success) {
        while (System.currentTimeMillis() - startGeneratingTime < MinGeneratingTime) {

        }
        onProgress(1);
        onSuccess(BitpieHDAccountCold.BitpieHDAccountPlaceHolder);
    } else {
        onFailed();
    }
}
Example 5
Source File: AbstractHD.java    From bitherj with Apache License 2.0 4 votes vote down vote up 
public static final byte[] seedFromMnemonic(byte[] mnemonicSeed) throws MnemonicException
        .MnemonicLengthException {
    MnemonicCode mnemonic = MnemonicCode.instance();
    return mnemonic.toSeed(mnemonic.toMnemonic(mnemonicSeed), "");
}
Example 6
Source File: HDAccount.java    From bitherj with Apache License 2.0 4 votes vote down vote up 
public static final byte[] seedFromMnemonic(byte[] mnemonicSeed) throws MnemonicException
        .MnemonicLengthException {
    MnemonicCode mnemonic = MnemonicCode.instance();
    return mnemonic.toSeed(mnemonic.toMnemonic(mnemonicSeed), "");
}