Examples with PrivateKey net.i2p.data.PrivateKey used on opensource projects

Example 21 with PrivateKey

use of net.i2p.data.PrivateKey in project i2p.i2p by i2p.

the class ElGamalTest method testElGamal.

public void testElGamal() {
    for (int i = 0; i < 2; i++) {
        Object[] keys = KeyGenerator.getInstance().generatePKIKeypair();
        PublicKey pubKey = (PublicKey) keys[0];
        PrivateKey privKey = (PrivateKey) keys[1];
        SessionKey key = KeyGenerator.getInstance().generateSessionKey();
        ByteArrayOutputStream elgSrc = new ByteArrayOutputStream(256);
        try {
            key.writeBytes(elgSrc);
        } catch (DataFormatException dfe) {
            dfe.printStackTrace();
            fail();
        } catch (IOException ioe) {
            ioe.printStackTrace();
            fail();
        }
        byte[] preIV = new byte[32];
        RandomSource.getInstance().nextBytes(preIV);
        try {
            elgSrc.write(preIV);
            elgSrc.flush();
        } catch (IOException ioe) {
            ioe.printStackTrace();
            fail();
        }
        byte[] elgEncr = _context.elGamalEngine().encrypt(elgSrc.toByteArray(), pubKey);
        byte[] elgDecr = _context.elGamalEngine().decrypt(elgEncr, privKey);
        ByteArrayInputStream bais = new ByteArrayInputStream(elgDecr);
        SessionKey nk = new SessionKey();
        try {
            nk.readBytes(bais);
        } catch (DataFormatException dfe) {
            dfe.printStackTrace();
            fail();
        } catch (IOException ioe) {
            ioe.printStackTrace();
            fail();
        }
        byte[] postpreIV = new byte[32];
        int read = 0;
        try {
            read = bais.read(postpreIV);
        } catch (IOException ioe) {
            ioe.printStackTrace();
            fail();
        }
        assertEquals(read, postpreIV.length);
        assertTrue(DataHelper.eq(preIV, postpreIV));
        assertEquals(key, nk);
    }
}

Example 22 with PrivateKey

use of net.i2p.data.PrivateKey in project i2p.i2p by i2p.

the class ElGamalTest method testLoop.

public void testLoop() {
    for (int i = 0; i < 5; i++) {
        Object[] keys = KeyGenerator.getInstance().generatePKIKeypair();
        PublicKey pubKey = (PublicKey) keys[0];
        PrivateKey privKey = (PrivateKey) keys[1];
        byte[] msg = new byte[400];
        RandomSource.getInstance().nextBytes(msg);
        SessionKey key = _context.sessionKeyManager().getCurrentKey(pubKey);
        if (key == null)
            key = _context.sessionKeyManager().createSession(pubKey);
        byte[] encrypted = _context.elGamalAESEngine().encrypt(msg, pubKey, key, null, null, 1024);
        byte[] decrypted = null;
        try {
            decrypted = _context.elGamalAESEngine().decrypt(encrypted, privKey, _context.sessionKeyManager());
        } catch (DataFormatException dfe) {
            dfe.printStackTrace();
            fail();
        }
        assertTrue(DataHelper.eq(msg, decrypted));
    }
}

Example 23 with PrivateKey

use of net.i2p.data.PrivateKey in project i2p.i2p by i2p.

the class ElGamalTest method testMultiple.

public void testMultiple() {
    Object[] keys = KeyGenerator.getInstance().generatePKIKeypair();
    byte[] message = new byte[222];
    for (int x = 0; x < 25; x++) {
        _context.random().nextBytes(message);
        keys = KeyGenerator.getInstance().generatePKIKeypair();
        PublicKey pubkey = (PublicKey) keys[0];
        PrivateKey privkey = (PrivateKey) keys[1];
        byte[] e = _context.elGamalEngine().encrypt(message, pubkey);
        byte[] d = _context.elGamalEngine().decrypt(e, privkey);
        assertTrue(DataHelper.eq(d, message));
    }
}

Example 24 with PrivateKey

use of net.i2p.data.PrivateKey in project i2p.i2p by i2p.

the class RouterInfoTest method createDataStructure.

@SuppressWarnings("deprecation")
public DataStructure createDataStructure() throws DataFormatException {
    RouterInfo info = new RouterInfo();
    HashSet<RouterAddress> addresses = new HashSet<RouterAddress>();
    DataStructure structure = (new RouterAddressTest()).createDataStructure();
    addresses.add((RouterAddress) structure);
    info.setAddresses(addresses);
    PublicKey pubKey = null;
    SigningPublicKey signingPubKey = null;
    PrivateKey privKey = null;
    SigningPrivateKey signingPrivKey = null;
    Object[] obj = KeyGenerator.getInstance().generatePKIKeypair();
    pubKey = (PublicKey) obj[0];
    privKey = (PrivateKey) obj[1];
    obj = KeyGenerator.getInstance().generateSigningKeypair();
    signingPubKey = (SigningPublicKey) obj[0];
    signingPrivKey = (SigningPrivateKey) obj[1];
    _log.debug("SigningPublicKey: " + signingPubKey);
    _log.debug("SigningPrivateKey: " + signingPrivKey);
    RouterIdentity ident = new RouterIdentity();
    ident.setCertificate(new Certificate(Certificate.CERTIFICATE_TYPE_NULL, null));
    ident.setPublicKey(pubKey);
    ident.setSigningPublicKey(signingPubKey);
    info.setIdentity(ident);
    Properties options = new Properties();
    for (int i = 0; i < 16; i++) {
        options.setProperty("option." + i, "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890$:." + i);
    }
    options.setProperty("netConnectionSpeed", "OC12");
    info.setOptions(options);
    HashSet<Hash> peers = new HashSet<Hash>();
    structure = (new HashTest()).createDataStructure();
    peers.add((Hash) structure);
    info.setPeers(peers);
    info.setPublished(System.currentTimeMillis());
    // info.setVersion(69);
    info.sign(signingPrivKey);
    return info;
}

Example 25 with PrivateKey

use of net.i2p.data.PrivateKey in project i2p.i2p by i2p.

the class SessionEncryptionTest method testRekeying.

/**
 *  Run tagsIncluded    useTag  rekey
 *  1   yes (2)         no      no
 *  2   no              yes     no
 *  3   yes (2)         yes     yes
 *  4   no              yes     no
 *  5   no              yes     no
 */
public void testRekeying() throws Exception {
    Object[] keys = KeyGenerator.getInstance().generatePKIKeypair();
    PublicKey pubKey = (PublicKey) keys[0];
    PrivateKey privKey = (PrivateKey) keys[1];
    SessionKeyManager skm = new TransientSessionKeyManager(_context);
    SessionKey curKey = skm.createSession(pubKey);
    SessionKey nextKey = KeyGenerator.getInstance().generateSessionKey();
    SessionTag tag1 = new SessionTag(true);
    SessionTag tag2 = new SessionTag(true);
    SessionTag tag3 = new SessionTag(true);
    SessionTag tag4 = new SessionTag(true);
    HashSet<SessionTag> firstTags = new HashSet<SessionTag>();
    firstTags.add(tag1);
    firstTags.add(tag2);
    HashSet<SessionTag> secondTags = new HashSet<SessionTag>();
    secondTags.add(tag3);
    secondTags.add(tag4);
    byte[] msg1 = DataHelper.getASCII("msg 1");
    byte[] msg2 = DataHelper.getASCII("msg 2");
    byte[] msg3 = DataHelper.getASCII("msg 3");
    byte[] msg4 = DataHelper.getASCII("msg 4");
    byte[] msg5 = DataHelper.getASCII("msg 5");
    byte[] emsg1 = _context.elGamalAESEngine().encrypt(msg1, pubKey, curKey, firstTags, null, 64);
    byte[] dmsg1 = _context.elGamalAESEngine().decrypt(emsg1, privKey, skm);
    assertTrue(DataHelper.eq(dmsg1, msg1));
    TagSetHandle tsh = skm.tagsDelivered(pubKey, curKey, firstTags);
    skm.tagsAcked(pubKey, curKey, tsh);
    curKey = skm.getCurrentKey(pubKey);
    SessionTag curTag = skm.consumeNextAvailableTag(pubKey, curKey);
    assertNotNull(curTag);
    byte[] emsg2 = _context.elGamalAESEngine().encrypt(msg2, pubKey, curKey, null, curTag, 64);
    byte[] dmsg2 = _context.elGamalAESEngine().decrypt(emsg2, privKey, skm);
    assertTrue(DataHelper.eq(dmsg2, msg2));
    curKey = skm.getCurrentKey(pubKey);
    curTag = skm.consumeNextAvailableTag(pubKey, curKey);
    assertNotNull(curTag);
    assertNotNull(curKey);
    byte[] emsg3 = _context.elGamalAESEngine().encrypt(msg3, pubKey, curKey, secondTags, curTag, nextKey, 64);
    byte[] dmsg3 = _context.elGamalAESEngine().decrypt(emsg3, privKey, skm);
    assertTrue(DataHelper.eq(dmsg3, msg3));
    // note nextKey not curKey
    tsh = skm.tagsDelivered(pubKey, nextKey, secondTags);
    skm.tagsAcked(pubKey, nextKey, tsh);
    curKey = skm.getCurrentKey(pubKey);
    curTag = skm.consumeNextAvailableTag(pubKey, curKey);
    assertNotNull(curTag);
    assertNotNull(curKey);
    byte[] emsg4 = _context.elGamalAESEngine().encrypt(msg4, pubKey, curKey, null, curTag, 64);
    byte[] dmsg4 = _context.elGamalAESEngine().decrypt(emsg4, privKey, skm);
    assertTrue(DataHelper.eq(dmsg4, msg4));
    curKey = skm.getCurrentKey(pubKey);
    curTag = skm.consumeNextAvailableTag(pubKey, curKey);
    assertNotNull(curTag);
    assertNotNull(curKey);
    byte[] emsg5 = _context.elGamalAESEngine().encrypt(msg5, pubKey, curKey, null, curTag, 64);
    byte[] dmsg5 = _context.elGamalAESEngine().decrypt(emsg5, privKey, skm);
    assertTrue(DataHelper.eq(dmsg5, msg5));
}