Examples with I2PAppContext net.i2p.I2PAppContext used on opensource projects

Example 16 with I2PAppContext

use of net.i2p.I2PAppContext in project i2p.i2p by i2p.

the class ConnectCloseIT method test.

@Test
public void test() throws Exception {
    I2PAppContext context = I2PAppContext.getGlobalContext();
    _log = context.logManager().getLog(ConnectCloseIT.class);
    _log.debug("creating server session");
    _server = createSession();
    _log.debug("running server");
    runServer(context, _server);
    _log.debug("running client");
    runClient(context, createSession());
}

Example 17 with I2PAppContext

use of net.i2p.I2PAppContext in project i2p.i2p by i2p.

the class UPnP method main.

/**
 *  Dumps out device info in semi-HTML format
 */
public static void main(String[] args) throws Exception {
    Properties props = new Properties();
    props.setProperty(PROP_ADVANCED, "true");
    I2PAppContext ctx = new I2PAppContext(props);
    UPnP cp = new UPnP(ctx);
    org.cybergarage.upnp.UPnP.setEnable(org.cybergarage.upnp.UPnP.USE_ONLY_IPV4_ADDR);
    Debug.initialize(ctx);
    cp.setHTTPPort(49152 + ctx.random().nextInt(5000));
    cp.setSSDPPort(54152 + ctx.random().nextInt(5000));
    long start = System.currentTimeMillis();
    cp.start();
    long s2 = System.currentTimeMillis();
    System.err.println("Start took " + (s2 - start) + "ms");
    System.err.println("Searching for UPnP devices");
    start = System.currentTimeMillis();
    cp.search();
    s2 = System.currentTimeMillis();
    System.err.println("Search kickoff took " + (s2 - start) + "ms");
    System.err.println("Waiting 10 seconds for responses");
    Thread.sleep(10000);
    DeviceList list = cp.getDeviceList();
    if (list.isEmpty()) {
        System.err.println("No UPnP devices found");
        System.exit(1);
    }
    System.err.println("Found " + list.size() + " devices.");
    System.err.println("Redirect the following output to an html file and view in a browser.");
    StringBuilder sb = new StringBuilder();
    Iterator<Device> it = list.iterator();
    int i = 0;
    while (it.hasNext()) {
        Device device = it.next();
        cp.listSubDev(device.toString(), device, sb);
        System.out.println("<h3>Device " + (++i) + ": " + DataHelper.escapeHTML(device.getFriendlyName()) + "</h3>");
        System.out.println("<p>UDN: " + DataHelper.escapeHTML(device.getUDN()));
        System.out.println("<br>IP: " + getIP(device));
        System.out.println(sb.toString());
        sb.setLength(0);
    }
    System.exit(0);
}

Example 18 with I2PAppContext

use of net.i2p.I2PAppContext in project i2p.i2p by i2p.

the class DHSessionKeyBuilderTest method testDHSessionKeyBuilder.

public void testDHSessionKeyBuilder() {
    I2PAppContext ctx = new I2PAppContext();
    for (int i = 0; i < 5; i++) {
        DHSessionKeyBuilder builder1 = new DHSessionKeyBuilder();
        DHSessionKeyBuilder builder2 = new DHSessionKeyBuilder();
        BigInteger pub1 = builder1.getMyPublicValue();
        BigInteger pub2 = builder2.getMyPublicValue();
        try {
            builder2.setPeerPublicValue(pub1);
            builder1.setPeerPublicValue(pub2);
        } catch (DHSessionKeyBuilder.InvalidPublicParameterException ippe) {
            assertTrue(ippe.getMessage(), true);
        }
        SessionKey key1 = builder1.getSessionKey();
        SessionKey key2 = builder2.getSessionKey();
        assertEquals(key1, key2);
        byte[] iv = new byte[16];
        RandomSource.getInstance().nextBytes(iv);
        // 16 bytes max using AESEngine
        String origVal = "1234567890123456";
        byte[] enc = new byte[16];
        byte[] dec = new byte[16];
        ctx.aes().encrypt(DataHelper.getASCII(origVal), 0, enc, 0, key1, iv, 16);
        ctx.aes().decrypt(enc, 0, dec, 0, key2, iv, 16);
        String tranVal = new String(dec);
        assertEquals(origVal, tranVal);
    }
}

Example 19 with I2PAppContext

use of net.i2p.I2PAppContext in project i2p.i2p-bote by i2p.

the class Util method encrypt.

/**
 * Encrypts data with an I2P public key
 */
public static byte[] encrypt(byte[] data, PublicKey key) {
    I2PAppContext appContext = I2PAppContext.getGlobalContext();
    SessionKeyManager sessionKeyMgr = new net.i2p.crypto.SessionKeyManager(appContext) {
    };
    SessionKey sessionKey = sessionKeyMgr.createSession(key);
    return appContext.elGamalAESEngine().encrypt(data, key, sessionKey, null, null, null, 0);
}

Example 20 with I2PAppContext

use of net.i2p.I2PAppContext in project i2p.i2p-bote by i2p.

the class Encrypt method getDerivedKey.

private DerivedKey getDerivedKey(byte[] password, File inputFile) throws GeneralSecurityException {
    if (derivParamsFile == null) {
        // the derivation parameters file is in the I2P-Bote root dir, so search all parent directories
        File parentDir = inputFile.getAbsoluteFile().getParentFile();
        while (derivParamsFile == null && parentDir != null) {
            boolean paramsFileFound = Util.contains(parentDir, Configuration.KEY_DERIVATION_PARAMETERS_FILE);
            if (paramsFileFound)
                derivParamsFile = new File(parentDir, Configuration.KEY_DERIVATION_PARAMETERS_FILE);
            else
                parentDir = parentDir.getParentFile();
        }
    }
    if (derivParamsFile != null) {
        if (verbose)
            System.out.println("Using derivation parameters file: " + derivParamsFile.getAbsolutePath());
        try {
            return FileEncryptionUtil.getEncryptionKey(password, derivParamsFile);
        } catch (IOException e) {
            System.out.println("Can't create key from derivation parameters file: " + e.getLocalizedMessage());
        }
    }
    // derivation parameters file not found or not readable, use default params and random salt
    if (verbose)
        System.out.println("No derivation parameters file available, creating new salt.");
    I2PAppContext appContext = I2PAppContext.getGlobalContext();
    byte[] salt = new byte[SALT_LENGTH];
    appContext.random().nextBytes(salt);
    byte[] key = FileEncryptionUtil.getEncryptionKey(password, salt, FileEncryptionConstants.KDF_PARAMETERS);
    return new DerivedKey(salt, FileEncryptionConstants.KDF_PARAMETERS, key);
}