Package org.terasology.identity

Examples of org.terasology.identity.PublicIdentityCertificate

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        CoreRegistry.putPermanently(Config.class, config);
    }

    private boolean validateServerIdentity() {
        PrivateIdentityCertificate privateCert = config.getSecurity().getServerPrivateCertificate();
        PublicIdentityCertificate publicCert = config.getSecurity().getServerPublicCertificate();

        if (privateCert == null || publicCert == null) {
            return false;
        }

        // Validate the signature
        if (!publicCert.verifySelfSigned()) {
            logger.error("Server signature is not self signed! Generating new server identity.");
            return false;
        }

        return true;
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            }

            NetData.CertificateSet certificateSet = NetData.CertificateSet.parseFrom(decryptedCert);
            NetData.Certificate publicCertData = certificateSet.getPublicCertificate();

            PublicIdentityCertificate publicCert = NetMessageUtil.convert(publicCertData);

            if (!publicCert.verifySignedBy(serverCertificate)) {
                logger.error("Received invalid certificate, not signed by server: cancelling authentication");
                joinStatus.setErrorMessage(AUTHENTICATION_FAILURE);
                ctx.getChannel().close();
                return;
            }

            BigInteger exponent = new BigInteger(certificateSet.getPrivateExponent().toByteArray());
            PrivateIdentityCertificate privateCert = new PrivateIdentityCertificate(publicCert.getModulus(), exponent);

            // Store identity for later use
            identity = new ClientIdentity(publicCert, privateCert);
            config.getSecurity().addIdentity(serverCertificate, identity);
            config.save();
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    }

    private void sendCertificate(NetData.HandshakeHello helloMessage, ChannelHandlerContext ctx) {
        logger.info("Sending client certificate");
        PublicIdentityCertificate pubClientCert = identity.getPlayerPublicCertificate();

        clientHello = NetData.HandshakeHello.newBuilder()
                .setRandom(ByteString.copyFrom(clientRandom))
                .setCertificate(NetMessageUtil.convert(pubClientCert))
                .setTimestamp(System.currentTimeMillis())
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                .setExponent(ByteString.copyFrom(data.getExponent().toByteArray()))
                .setSignature(ByteString.copyFrom(data.getSignature().toByteArray())).build();
    }

    public static PublicIdentityCertificate convert(NetData.Certificate data) {
        return new PublicIdentityCertificate(
                data.getId(),
                new BigInteger(data.getModulus().toByteArray()),
                new BigInteger(data.getExponent().toByteArray()),
                new BigInteger(data.getSignature().toByteArray()));
    }
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    @Override
    public void channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
        logger.info("Sending Server Hello");

        PublicIdentityCertificate serverPublicCert = config.getSecurity().getServerPublicCertificate();
        new SecureRandom().nextBytes(serverRandom);

        serverHello = NetData.HandshakeHello.newBuilder()
                .setRandom(ByteString.copyFrom(serverRandom))
                .setCertificate(NetMessageUtil.convert(serverPublicCert))
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        }
    }

    private void processClientHandshake(NetData.HandshakeHello clientHello, NetData.HandshakeVerification handshakeVerification, ChannelHandlerContext ctx) {
        logger.info("Received client certificate");
        PublicIdentityCertificate clientCert = NetMessageUtil.convert(clientHello.getCertificate());

        if (!clientCert.verifySignedBy(config.getSecurity().getServerPublicCertificate())) {
            logger.error("Received invalid client certificate, ending connection attempt");
            ctx.getChannel().close();
            return;
        }

        byte[] clientSignature = handshakeVerification.getSignature().toByteArray();
        byte[] signatureData = HandshakeCommon.getSignatureData(serverHello, clientHello);
        if (!clientCert.verify(signatureData, clientSignature)) {
            logger.error("Received invalid verification signature, ending connection attempt");
            ctx.getChannel().close();
            return;
        }
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Related Classes of org.terasology.identity.PublicIdentityCertificate

  • org.terasology.engine.TerasologyEngine
  • org.terasology.network.internal.ClientHandshakeHandler
  • org.terasology.network.internal.NetMessageUtil
  • org.terasology.network.internal.ServerHandshakeHandler
  • javax.crypto.Cipher
  • java.security.Signature
  • java.security.KeyFactory
  • java.security.PublicKey
  • java.security.spec.RSAPublicKeySpec
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