Examples with BIP38PrivateKey org.bitcoinj.crypto.BIP38PrivateKey used on opensource projects

Example 6 with BIP38PrivateKey

use of org.bitcoinj.crypto.BIP38PrivateKey in project samourai-wallet-android by Samourai-Wallet.

the class BalanceActivity method doPrivKey.

private void doPrivKey(final String data) {
    PrivKeyReader privKeyReader = null;
    String format = null;
    try {
        privKeyReader = new PrivKeyReader(new CharSequenceX(data), null);
        format = privKeyReader.getFormat();
    } catch (Exception e) {
        Toast.makeText(BalanceActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
        return;
    }
    if (format != null) {
        if (format.equals(PrivKeyReader.BIP38)) {
            final PrivKeyReader pvr = privKeyReader;
            final EditText password38 = new EditText(BalanceActivity.this);
            AlertDialog.Builder dlg = new AlertDialog.Builder(BalanceActivity.this).setTitle(R.string.app_name).setMessage(R.string.bip38_pw).setView(password38).setCancelable(false).setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    String password = password38.getText().toString();
                    ProgressDialog progress = new ProgressDialog(BalanceActivity.this);
                    progress.setCancelable(false);
                    progress.setTitle(R.string.app_name);
                    progress.setMessage(getString(R.string.decrypting_bip38));
                    progress.show();
                    boolean keyDecoded = false;
                    try {
                        BIP38PrivateKey bip38 = new BIP38PrivateKey(SamouraiWallet.getInstance().getCurrentNetworkParams(), data);
                        final ECKey ecKey = bip38.decrypt(password);
                        if (ecKey != null && ecKey.hasPrivKey()) {
                            if (progress != null && progress.isShowing()) {
                                progress.cancel();
                            }
                            pvr.setPassword(new CharSequenceX(password));
                            keyDecoded = true;
                            Toast.makeText(BalanceActivity.this, pvr.getFormat(), Toast.LENGTH_SHORT).show();
                            Toast.makeText(BalanceActivity.this, pvr.getKey().toAddress(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString(), Toast.LENGTH_SHORT).show();
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                        Toast.makeText(BalanceActivity.this, R.string.bip38_pw_error, Toast.LENGTH_SHORT).show();
                    }
                    if (progress != null && progress.isShowing()) {
                        progress.cancel();
                    }
                    if (keyDecoded) {
                        SweepUtil.getInstance(BalanceActivity.this).sweep(pvr, false);
                    }
                }
            }).setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    Toast.makeText(BalanceActivity.this, R.string.bip38_pw_error, Toast.LENGTH_SHORT).show();
                }
            });
            if (!isFinishing()) {
                dlg.show();
            }
        } else if (privKeyReader != null) {
            SweepUtil.getInstance(BalanceActivity.this).sweep(privKeyReader, false);
        } else {
            ;
        }
    } else {
        Toast.makeText(BalanceActivity.this, R.string.cannot_recognize_privkey, Toast.LENGTH_SHORT).show();
    }
}

Example 7 with BIP38PrivateKey

use of org.bitcoinj.crypto.BIP38PrivateKey in project bitcoin-wallet by bitcoin-wallet.

the class DecodePrivateKeyTask method decodePrivateKey.

public final void decodePrivateKey(final BIP38PrivateKey encryptedKey, final String passphrase) {
    backgroundHandler.post(() -> {
        try {
            // takes time
            final ECKey decryptedKey = encryptedKey.decrypt(passphrase);
            callbackHandler.post(() -> onSuccess(decryptedKey));
        } catch (final BIP38PrivateKey.BadPassphraseException x) {
            callbackHandler.post(() -> onBadPassphrase());
        }
    });
}