protected Wallet doInBackground(Bundle... params) {
ArrayList<String> seedWords = new ArrayList<String>();
for (String word : seed.trim().split(" ")) {
if (word.isEmpty()) continue;
seedWords.add(word);
}
Wallet wallet = null;
try {
if (seedProtect) {
wallet = new Wallet(seedWords, password);
} else {
wallet = new Wallet(seedWords);
}
KeyParameter aesKey = null;
if (password != null && !password.isEmpty()) {
KeyCrypterScrypt crypter = new KeyCrypterScrypt();
aesKey = crypter.deriveKey(password);
wallet.encrypt(crypter, aesKey);
}
wallet.createAccounts(coinsToCreate, true, aesKey);
getWalletApplication().setWallet(wallet);
getWalletApplication().saveWalletNow();
getWalletApplication().startBlockchainService(CoinService.ServiceMode.RESET_WALLET);
} catch (Exception e) {
log.error("Error creating a wallet", e);
errorMessage = e.getMessage();
}
return wallet;
}
public static void estimateKeyDerivationTime() {
// This is run in the background after startup. If we haven't recorded it before, do a key
// derivation to see
// how long it takes. This helps us produce better progress feedback, as on Windows we don't
// currently have a
// native Scrypt impl and the Java version is ~3 times slower, plus it depends a lot on CPU
// speed.
checkGuiThread();
estimatedKeyDerivationTime = Main.instance.prefs.getExpectedKeyDerivationTime();
if (estimatedKeyDerivationTime == null) {
new Thread(
() -> {
log.info("Doing background test key derivation");
KeyCrypterScrypt scrypt = new KeyCrypterScrypt(SCRYPT_PARAMETERS);
long start = System.currentTimeMillis();
scrypt.deriveKey("test password");
long msec = System.currentTimeMillis() - start;
log.info("Background test key derivation took {}msec", msec);
Platform.runLater(
() -> {
estimatedKeyDerivationTime = Duration.ofMillis(msec);
Main.instance.prefs.setExpectedKeyDerivationTime(estimatedKeyDerivationTime);
});
})
.start();
}
}
@Test(expected = KeyCrypterException.class)
public void cannotMixParams() throws Exception {
chain = chain.toEncrypted("foobar");
KeyCrypterScrypt scrypter = new KeyCrypterScrypt(2); // Some bogus params.
ECKey key1 = new ECKey().encrypt(scrypter, scrypter.deriveKey("other stuff"));
chain.importKeys(key1);
}