Examples with ECKey org.ethereum.crypto.ECKey used on opensource projects

Example 6 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class RskForksBridgeTest method buildUpdateCollectionsTx.

private Transaction buildUpdateCollectionsTx() {
    long nonce = 0;
    long value = 0;
    BigInteger gasPrice = BigInteger.valueOf(0);
    BigInteger gasLimit = BigInteger.valueOf(100000);
    Transaction rskTx = CallTransaction.createCallTransaction(config, nonce, gasPrice.longValue(), gasLimit.longValue(), PrecompiledContracts.BRIDGE_ADDR, value, Bridge.UPDATE_COLLECTIONS);
    rskTx.sign(new ECKey().getPrivKeyBytes());
    return rskTx;
}

Example 7 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class RskForksBridgeTest method before.

@Before
public void before() throws IOException, ClassNotFoundException {
    World world = new World();
    blockChain = world.getBlockChain();
    repository = blockChain.getRepository();
    whitelistManipulationKey = ECKey.fromPrivate(Hex.decode("3890187a3071327cee08467ba1b44ed4c13adb2da0d5ffcc0563c371fa88259c"));
    genesis = (Genesis) blockChain.getBestBlock();
    keyHoldingRSKs = new ECKey();
    co.rsk.core.Coin balance = new co.rsk.core.Coin(new BigInteger("10000000000000000000"));
    repository.addBalance(new RskAddress(keyHoldingRSKs.getAddress()), balance);
    genesis.setStateRoot(repository.getRoot());
    genesis.flushRLP();
    blockChain.getBlockStore().saveBlock(genesis, genesis.getCumulativeDifficulty(), true);
    Transaction whitelistAddressTx = buildWhitelistTx();
    Transaction receiveHeadersTx = buildReceiveHeadersTx();
    Transaction registerBtctransactionTx = buildRegisterBtcTransactionTx();
    blockBase = buildBlock(genesis, whitelistAddressTx, receiveHeadersTx, registerBtctransactionTx);
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockChain.tryToConnect(blockBase));
}

Example 8 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class CryptoTestCase method execute.

public void execute() {
    byte[] key = Hex.decode(this.key);
    byte[] cipher = Hex.decode(this.cipher);
    ECKey ecKey = ECKey.fromPrivate(key);
    byte[] resultPayload = new byte[0];
    if (decryption_type.equals("aes_ctr"))
        resultPayload = ecKey.decryptAES(cipher);
    if (decryption_type.equals("ecies_sec1_altered"))
        try {
            resultPayload = ECIESCoder.decrypt(new BigInteger(Hex.toHexString(key), 16), cipher);
        } catch (Throwable e) {
            e.printStackTrace();
        }
    if (!Hex.toHexString(resultPayload).equals(payload)) {
        String error = String.format("payload should be: %s, but got that result: %s  ", payload, Hex.toHexString(resultPayload));
        logger.info(error);
        System.exit(-1);
    }
}

Example 9 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class TransactionsMessageTest method test_3.

@Test
public /* Transactions msg encode */
void test_3() throws Exception {
    String expected = "f872f870808609184e72a0008242559479b08ad8787060333663d19704909ee7b1903e588b00d3c21bcecceda1000000801ca07c3f47d609d453737ddcf7c403190f67432c41e1f26051296b24e4e10a837083a0375fdb6d3b82dae7e1e78aa7d7413d0bfefeb05341058361d2b5a53d9c8783d6";
    BigInteger value = new BigInteger("1000000000000000000000000");
    byte[] privKey = HashUtil.keccak256("cat".getBytes());
    ECKey ecKey = ECKey.fromPrivate(privKey);
    byte[] gasPrice = Hex.decode("09184e72a000");
    byte[] gasLimit = Hex.decode("4255");
    Transaction tx = new Transaction(null, gasPrice, gasLimit, ecKey.getAddress(), value.toByteArray(), null);
    tx.sign(privKey);
    tx.getEncoded();
    TransactionsMessage transactionsMessage = new TransactionsMessage(config, Collections.singletonList(tx));
    assertEquals(expected, Hex.toHexString(transactionsMessage.getEncoded()));
}

Example 10 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class TransactionTest method test1.

@Test
public /* sign transaction  https://tools.ietf.org/html/rfc6979 */
void test1() throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeyException, IOException {
    // python taken exact data
    String txRLPRawData = "a9e880872386f26fc1000085e8d4a510008203e89413978aee95f38490e9769c39b2773ed763d9cd5f80";
    // String txRLPRawData = "f82804881bc16d674ec8000094cd2a3d9f938e13cd947ec05abc7fe734df8dd8268609184e72a0006480";
    byte[] cowPrivKey = Hex.decode("c85ef7d79691fe79573b1a7064c19c1a9819ebdbd1faaab1a8ec92344438aaf4");
    ECKey key = ECKey.fromPrivate(cowPrivKey);
    byte[] data = Hex.decode(txRLPRawData);
    // step 1: serialize + RLP encode
    // step 2: hash = sha3(step1)
    byte[] txHash = HashUtil.keccak256(data);
    String signature = key.doSign(txHash).toBase64();
    System.out.println(signature);
}