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

Example 1 with Certificate

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

the class IndexBean method modifyDestination.

/**
 * Modify or create a destination
 */
private String modifyDestination() {
    String privKeyFile = _config.getPrivKeyFile();
    if (privKeyFile == null)
        return "Private Key File not specified";
    TunnelController tun = getController(_tunnel);
    Properties config = getConfig();
    if (tun == null) {
        // creating new
        tun = new TunnelController(config, "", true);
        _group.addController(tun);
        saveChanges();
    } else if (tun.getIsRunning() || tun.getIsStarting()) {
        return "Tunnel must be stopped before modifying destination";
    }
    File keyFile = new File(privKeyFile);
    if (!keyFile.isAbsolute())
        keyFile = new File(_context.getConfigDir(), privKeyFile);
    PrivateKeyFile pkf = new PrivateKeyFile(keyFile);
    try {
        pkf.createIfAbsent();
    } catch (I2PException e) {
        return "Create private key file failed: " + e;
    } catch (IOException e) {
        return "Create private key file failed: " + e;
    }
    switch(_certType) {
        case Certificate.CERTIFICATE_TYPE_NULL:
        case Certificate.CERTIFICATE_TYPE_HIDDEN:
            pkf.setCertType(_certType);
            break;
        case Certificate.CERTIFICATE_TYPE_HASHCASH:
            pkf.setHashCashCert(_hashCashValue);
            break;
        case Certificate.CERTIFICATE_TYPE_SIGNED:
            if (_certSigner == null || _certSigner.trim().length() <= 0)
                return "No signing destination specified";
            // find the signer's key file...
            String signerPKF = null;
            for (int i = 0; i < getTunnelCount(); i++) {
                TunnelController c = getController(i);
                if (_certSigner.equals(c.getConfig("").getProperty(TunnelController.PROP_NAME)) || _certSigner.equals(c.getConfig("").getProperty(TunnelController.PROP_SPOOFED_HOST))) {
                    signerPKF = c.getConfig("").getProperty(TunnelController.PROP_FILE);
                    break;
                }
            }
            if (signerPKF == null || signerPKF.length() <= 0)
                return "Signing destination " + _certSigner + " not found";
            if (privKeyFile.equals(signerPKF))
                return "Self-signed destinations not allowed";
            Certificate c = pkf.setSignedCert(new PrivateKeyFile(signerPKF));
            if (c == null)
                return "Signing failed - does signer destination exist?";
            break;
        default:
            return "Unknown certificate type";
    }
    Destination newdest;
    try {
        pkf.write();
        newdest = pkf.getDestination();
    } catch (I2PException e) {
        return "Modification failed: " + e;
    } catch (IOException e) {
        return "Modification failed: " + e;
    }
    return "Destination modified - " + "New Base32 is " + newdest.toBase32() + "New Destination is " + newdest.toBase64();
}

Example 2 with Certificate

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

the class RouterIdentityTest method testNullSigningKey.

@Test
public void testNullSigningKey() throws Exception {
    RouterIdentity ident = new RouterIdentity();
    Certificate cert = (Certificate) (new CertificateTest()).createDataStructure();
    ident.setCertificate(cert);
    PublicKey pk = (PublicKey) (new PublicKeyTest()).createDataStructure();
    ident.setPublicKey(pk);
    ident.setSigningPublicKey(null);
    exception.expect(DataFormatException.class);
    exception.expectMessage("Not enough data to format the router identity");
    ident.writeBytes(new ByteArrayOutputStream());
}

Example 3 with Certificate

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

the class CreateRouterInfoJob method createRouterInfo.

/**
 *  Writes 6 files: router.info (standard RI format),
 *  router.keys.dat, and 4 individual key files under keyBackup/
 *
 *  router.keys.dat file format: This is the
 *  same "eepPriv.dat" format used by the client code,
 *  as documented in PrivateKeyFile.
 *
 *  Old router.keys file format: Note that this is NOT the
 *  same "eepPriv.dat" format used by the client code.
 *<pre>
 *   - Private key (256 bytes)
 *   - Signing Private key (20 bytes)
 *   - Public key (256 bytes)
 *   - Signing Public key (128 bytes)
 *  Total 660 bytes
 *</pre>
 *
 *  Caller must hold Router.routerInfoFileLock.
 */
RouterInfo createRouterInfo() {
    SigType type = getSigTypeConfig(getContext());
    RouterInfo info = new RouterInfo();
    OutputStream fos1 = null;
    try {
        info.setAddresses(getContext().commSystem().createAddresses());
        // not necessary, in constructor
        // info.setPeers(new HashSet());
        info.setPublished(getCurrentPublishDate(getContext()));
        Object[] keypair = getContext().keyGenerator().generatePKIKeypair();
        PublicKey pubkey = (PublicKey) keypair[0];
        PrivateKey privkey = (PrivateKey) keypair[1];
        SimpleDataStructure[] signingKeypair = getContext().keyGenerator().generateSigningKeys(type);
        SigningPublicKey signingPubKey = (SigningPublicKey) signingKeypair[0];
        SigningPrivateKey signingPrivKey = (SigningPrivateKey) signingKeypair[1];
        RouterIdentity ident = new RouterIdentity();
        Certificate cert = createCertificate(getContext(), signingPubKey);
        ident.setCertificate(cert);
        ident.setPublicKey(pubkey);
        ident.setSigningPublicKey(signingPubKey);
        byte[] padding;
        int padLen = SigningPublicKey.KEYSIZE_BYTES - signingPubKey.length();
        if (padLen > 0) {
            padding = new byte[padLen];
            getContext().random().nextBytes(padding);
            ident.setPadding(padding);
        } else {
            padding = null;
        }
        info.setIdentity(ident);
        Properties stats = getContext().statPublisher().publishStatistics(ident.getHash());
        info.setOptions(stats);
        info.sign(signingPrivKey);
        if (!info.isValid())
            throw new DataFormatException("RouterInfo we just built is invalid: " + info);
        // remove router.keys
        (new File(getContext().getRouterDir(), KEYS_FILENAME)).delete();
        // write router.info
        File ifile = new File(getContext().getRouterDir(), INFO_FILENAME);
        fos1 = new BufferedOutputStream(new SecureFileOutputStream(ifile));
        info.writeBytes(fos1);
        // write router.keys.dat
        File kfile = new File(getContext().getRouterDir(), KEYS2_FILENAME);
        PrivateKeyFile pkf = new PrivateKeyFile(kfile, pubkey, signingPubKey, cert, privkey, signingPrivKey, padding);
        pkf.write();
        // set or overwrite old random keys
        Map<String, String> map = new HashMap<String, String>(2);
        byte[] rk = new byte[32];
        getContext().random().nextBytes(rk);
        map.put(Router.PROP_IB_RANDOM_KEY, Base64.encode(rk));
        getContext().random().nextBytes(rk);
        map.put(Router.PROP_OB_RANDOM_KEY, Base64.encode(rk));
        getContext().router().saveConfig(map, null);
        getContext().keyManager().setKeys(pubkey, privkey, signingPubKey, signingPrivKey);
        if (_log.shouldLog(Log.INFO))
            _log.info("Router info created and stored at " + ifile.getAbsolutePath() + " with private keys stored at " + kfile.getAbsolutePath() + " [" + info + "]");
        getContext().router().eventLog().addEvent(EventLog.REKEYED, ident.calculateHash().toBase64());
    } catch (GeneralSecurityException gse) {
        _log.log(Log.CRIT, "Error building the new router information", gse);
    } catch (DataFormatException dfe) {
        _log.log(Log.CRIT, "Error building the new router information", dfe);
    } catch (IOException ioe) {
        _log.log(Log.CRIT, "Error writing out the new router information", ioe);
    } finally {
        if (fos1 != null)
            try {
                fos1.close();
            } catch (IOException ioe) {
            }
    }
    return info;
}

Example 4 with Certificate

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

the class BuildTestMessageJob method buildAckClove.

/**
 * Build a clove that sends a DeliveryStatusMessage to us
 */
private PayloadGarlicConfig buildAckClove() {
    PayloadGarlicConfig ackClove = new PayloadGarlicConfig();
    DeliveryInstructions ackInstructions = new DeliveryInstructions();
    ackInstructions.setDeliveryMode(DeliveryInstructions.DELIVERY_MODE_ROUTER);
    // yikes!
    ackInstructions.setRouter(_replyTo);
    DeliveryStatusMessage msg = new DeliveryStatusMessage(getContext());
    msg.setArrival(getContext().clock().now());
    msg.setMessageId(_testMessageKey);
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Delivery status message key: " + _testMessageKey + " arrival: " + msg.getArrival());
    ackClove.setCertificate(new Certificate(Certificate.CERTIFICATE_TYPE_NULL, null));
    ackClove.setDeliveryInstructions(ackInstructions);
    ackClove.setExpiration(_timeoutMs + getContext().clock().now());
    ackClove.setId(getContext().random().nextLong(I2NPMessage.MAX_ID_VALUE));
    ackClove.setPayload(msg);
    ackClove.setRecipient(_target);
    return ackClove;
}

Example 5 with Certificate

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

the class KademliaNetworkDatabaseFacade method processStoreFailure.

/**
 *  If the validate fails, call this
 *  to determine if it was because of unsupported crypto.
 *
 *  If so, this will banlist-forever the router hash or permanently negative cache the dest hash,
 *  and then throw the exception. Otherwise it does nothing.
 *
 *  @throws UnsupportedCryptoException if that's why it failed.
 *  @since 0.9.16
 */
private void processStoreFailure(Hash h, DatabaseEntry entry) throws UnsupportedCryptoException {
    if (entry.getHash().equals(h)) {
        if (entry.getType() == DatabaseEntry.KEY_TYPE_LEASESET) {
            LeaseSet ls = (LeaseSet) entry;
            Destination d = ls.getDestination();
            Certificate c = d.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable() || type.getBaseAlgorithm() == SigAlgo.RSA) {
                        failPermanently(d);
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for destination " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        } else if (entry.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
            RouterInfo ri = (RouterInfo) entry;
            RouterIdentity id = ri.getIdentity();
            Certificate c = id.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable()) {
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        _context.banlist().banlistRouterForever(h, "Unsupported signature type " + stype);
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for router " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        }
    }
    if (_log.shouldLog(Log.WARN))
        _log.warn("Verify fail, cause unknown: " + entry);
}