mirror of
https://code.briarproject.org/briar/briar.git
synced 2026-02-19 06:09:55 +01:00
Changed the root package from net.sf.briar to org.briarproject.
This commit is contained in:
akwizgran
@@ -0,0 +1,894 @@
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package org.briarproject.transport;
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import static org.briarproject.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
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import static org.briarproject.api.transport.TransportConstants.TAG_LENGTH;
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import static org.junit.Assert.assertArrayEquals;
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import java.util.Arrays;
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import java.util.Collections;
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import org.briarproject.BriarTestCase;
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import org.briarproject.TestUtils;
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import org.briarproject.api.ContactId;
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import org.briarproject.api.TransportId;
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import org.briarproject.api.crypto.CryptoComponent;
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import org.briarproject.api.crypto.SecretKey;
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import org.briarproject.api.db.DatabaseComponent;
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import org.briarproject.api.event.EventListener;
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import org.briarproject.api.system.Clock;
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import org.briarproject.api.system.Timer;
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import org.briarproject.api.transport.ConnectionContext;
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import org.briarproject.api.transport.ConnectionRecogniser;
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import org.briarproject.api.transport.Endpoint;
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import org.briarproject.api.transport.TemporarySecret;
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import org.briarproject.util.ByteUtils;
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import org.hamcrest.Description;
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import org.jmock.Expectations;
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import org.jmock.Mockery;
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import org.jmock.api.Action;
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import org.jmock.api.Invocation;
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import org.junit.Test;
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public class KeyRotationIntegrationTest extends BriarTestCase {
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private static final long EPOCH = 1000L * 1000L * 1000L * 1000L;
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private static final long MAX_LATENCY = 2 * 60 * 1000; // 2 minutes
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private static final long ROTATION_PERIOD_LENGTH =
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MAX_LATENCY + MAX_CLOCK_DIFFERENCE;
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private final ContactId contactId;
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private final TransportId transportId;
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private final byte[] secret0, secret1, secret2, secret3, secret4;
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private final byte[] key0, key1, key2, key3, key4;
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private final byte[] initialSecret;
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public KeyRotationIntegrationTest() {
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contactId = new ContactId(234);
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transportId = new TransportId(TestUtils.getRandomId());
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secret0 = new byte[32];
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secret1 = new byte[32];
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secret2 = new byte[32];
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secret3 = new byte[32];
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secret4 = new byte[32];
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for(int i = 0; i < secret0.length; i++) secret0[i] = 1;
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for(int i = 0; i < secret1.length; i++) secret1[i] = 2;
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for(int i = 0; i < secret2.length; i++) secret2[i] = 3;
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for(int i = 0; i < secret3.length; i++) secret3[i] = 4;
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for(int i = 0; i < secret4.length; i++) secret4[i] = 5;
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key0 = new byte[32];
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key1 = new byte[32];
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key2 = new byte[32];
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key3 = new byte[32];
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key4 = new byte[32];
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for(int i = 0; i < key0.length; i++) key0[i] = 1;
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for(int i = 0; i < key1.length; i++) key1[i] = 2;
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for(int i = 0; i < key2.length; i++) key2[i] = 3;
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for(int i = 0; i < key3.length; i++) key3[i] = 4;
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for(int i = 0; i < key4.length; i++) key4[i] = 5;
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initialSecret = new byte[32];
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for(int i = 0; i < initialSecret.length; i++) initialSecret[i] = 123;
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}
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@Test
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public void testStartAndStop() throws Exception {
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Mockery context = new Mockery();
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final CryptoComponent crypto = context.mock(CryptoComponent.class);
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final DatabaseComponent db = context.mock(DatabaseComponent.class);
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final Clock clock = context.mock(Clock.class);
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final Timer timer = context.mock(Timer.class);
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final ConnectionRecogniser connectionRecogniser =
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new ConnectionRecogniserImpl(crypto, db);
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final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
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connectionRecogniser, clock, timer);
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context.checking(new Expectations() {{
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// start()
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oneOf(db).addListener(with(any(EventListener.class)));
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oneOf(db).getSecrets();
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will(returnValue(Collections.emptyList()));
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oneOf(db).getTransportLatencies();
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will(returnValue(Collections.emptyMap()));
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oneOf(clock).currentTimeMillis();
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will(returnValue(EPOCH));
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oneOf(timer).scheduleAtFixedRate(with(keyManager),
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with(any(long.class)), with(any(long.class)));
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// stop()
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oneOf(db).removeListener(with(any(EventListener.class)));
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oneOf(timer).cancel();
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}});
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assertTrue(keyManager.start());
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keyManager.stop();
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context.assertIsSatisfied();
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}
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@Test
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public void testEndpointAdded() throws Exception {
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Mockery context = new Mockery();
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final CryptoComponent crypto = context.mock(CryptoComponent.class);
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final DatabaseComponent db = context.mock(DatabaseComponent.class);
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final Clock clock = context.mock(Clock.class);
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final Timer timer = context.mock(Timer.class);
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final SecretKey k0 = context.mock(SecretKey.class, "k0");
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final SecretKey k1 = context.mock(SecretKey.class, "k1");
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final SecretKey k2 = context.mock(SecretKey.class, "k2");
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final ConnectionRecogniser connectionRecogniser =
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new ConnectionRecogniserImpl(crypto, db);
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final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
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connectionRecogniser, clock, timer);
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// The secrets for periods 0 - 2 should be derived
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Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
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final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
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final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
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final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
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context.checking(new Expectations() {{
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// start()
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oneOf(db).addListener(with(any(EventListener.class)));
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oneOf(db).getSecrets();
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will(returnValue(Collections.emptyList()));
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oneOf(db).getTransportLatencies();
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will(returnValue(Collections.singletonMap(transportId,
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MAX_LATENCY)));
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oneOf(clock).currentTimeMillis();
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will(returnValue(EPOCH));
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oneOf(timer).scheduleAtFixedRate(with(keyManager),
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with(any(long.class)), with(any(long.class)));
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// endpointAdded() during rotation period 1
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oneOf(clock).currentTimeMillis();
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will(returnValue(EPOCH));
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oneOf(crypto).deriveNextSecret(initialSecret, 0);
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will(returnValue(secret0.clone()));
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oneOf(crypto).deriveNextSecret(secret0, 1);
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will(returnValue(secret1.clone()));
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oneOf(crypto).deriveNextSecret(secret1, 2);
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will(returnValue(secret2.clone()));
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oneOf(db).addSecrets(Arrays.asList(s0, s1, s2));
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// The recogniser should derive the tags for period 0
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oneOf(crypto).deriveTagKey(secret0, false);
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will(returnValue(k0));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k0).getEncoded();
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will(returnValue(key0));
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}
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oneOf(k0).erase();
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// The recogniser should derive the tags for period 1
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oneOf(crypto).deriveTagKey(secret1, false);
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will(returnValue(k1));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k1).getEncoded();
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will(returnValue(key1));
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}
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oneOf(k1).erase();
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// The recogniser should derive the tags for period 2
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oneOf(crypto).deriveTagKey(secret2, false);
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will(returnValue(k2));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k2).getEncoded();
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will(returnValue(key2));
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}
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oneOf(k2).erase();
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// stop()
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// The recogniser should derive the tags for period 0
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oneOf(crypto).deriveTagKey(secret0, false);
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will(returnValue(k0));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k0).getEncoded();
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will(returnValue(key0));
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}
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oneOf(k0).erase();
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// The recogniser should derive the tags for period 1
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oneOf(crypto).deriveTagKey(secret1, false);
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will(returnValue(k1));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k1).getEncoded();
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will(returnValue(key1));
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}
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oneOf(k1).erase();
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// The recogniser should derive the tags for period 2
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oneOf(crypto).deriveTagKey(secret2, false);
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will(returnValue(k2));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k2).getEncoded();
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will(returnValue(key2));
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}
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oneOf(k2).erase();
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// Remove the listener and stop the timer
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oneOf(db).removeListener(with(any(EventListener.class)));
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oneOf(timer).cancel();
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}});
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assertTrue(keyManager.start());
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keyManager.endpointAdded(ep, MAX_LATENCY, initialSecret.clone());
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keyManager.stop();
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context.assertIsSatisfied();
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}
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@Test
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public void testEndpointAddedAndGetConnectionContext() throws Exception {
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Mockery context = new Mockery();
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final CryptoComponent crypto = context.mock(CryptoComponent.class);
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final DatabaseComponent db = context.mock(DatabaseComponent.class);
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final Clock clock = context.mock(Clock.class);
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final Timer timer = context.mock(Timer.class);
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final SecretKey k0 = context.mock(SecretKey.class, "k0");
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final SecretKey k1 = context.mock(SecretKey.class, "k1");
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final SecretKey k2 = context.mock(SecretKey.class, "k2");
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final ConnectionRecogniser connectionRecogniser =
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new ConnectionRecogniserImpl(crypto, db);
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final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
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connectionRecogniser, clock, timer);
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// The secrets for periods 0 - 2 should be derived
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Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
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final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
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final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
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final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
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context.checking(new Expectations() {{
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// start()
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oneOf(db).addListener(with(any(EventListener.class)));
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oneOf(db).getSecrets();
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will(returnValue(Collections.emptyList()));
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oneOf(db).getTransportLatencies();
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will(returnValue(Collections.singletonMap(transportId,
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MAX_LATENCY)));
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oneOf(clock).currentTimeMillis();
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will(returnValue(EPOCH));
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oneOf(timer).scheduleAtFixedRate(with(keyManager),
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with(any(long.class)), with(any(long.class)));
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// endpointAdded() during rotation period 1
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oneOf(clock).currentTimeMillis();
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will(returnValue(EPOCH));
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oneOf(crypto).deriveNextSecret(initialSecret, 0);
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will(returnValue(secret0.clone()));
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oneOf(crypto).deriveNextSecret(secret0, 1);
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will(returnValue(secret1.clone()));
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oneOf(crypto).deriveNextSecret(secret1, 2);
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will(returnValue(secret2.clone()));
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oneOf(db).addSecrets(Arrays.asList(s0, s1, s2));
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// The recogniser should derive the tags for period 0
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oneOf(crypto).deriveTagKey(secret0, false);
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will(returnValue(k0));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k0).getEncoded();
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will(returnValue(key0));
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}
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oneOf(k0).erase();
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// The recogniser should derive the tags for period 1
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oneOf(crypto).deriveTagKey(secret1, false);
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will(returnValue(k1));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k1).getEncoded();
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will(returnValue(key1));
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}
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oneOf(k1).erase();
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// The recogniser should derive the tags for period 2
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oneOf(crypto).deriveTagKey(secret2, false);
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will(returnValue(k2));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k2).getEncoded();
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will(returnValue(key2));
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}
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oneOf(k2).erase();
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// getConnectionContext()
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oneOf(db).incrementConnectionCounter(contactId, transportId, 1);
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will(returnValue(0L));
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// stop()
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// The recogniser should derive the tags for period 0
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oneOf(crypto).deriveTagKey(secret0, false);
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will(returnValue(k0));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k0).getEncoded();
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will(returnValue(key0));
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}
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oneOf(k0).erase();
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// The recogniser should derive the tags for period 1
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oneOf(crypto).deriveTagKey(secret1, false);
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will(returnValue(k1));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k1).getEncoded();
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will(returnValue(key1));
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}
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oneOf(k1).erase();
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// The recogniser should derive the tags for period 2
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oneOf(crypto).deriveTagKey(secret2, false);
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will(returnValue(k2));
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for(int i = 0; i < 16; i++) {
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oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
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with((long) i));
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will(new EncodeTagAction());
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oneOf(k2).getEncoded();
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will(returnValue(key2));
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}
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oneOf(k2).erase();
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// Remove the listener and stop the timer
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oneOf(db).removeListener(with(any(EventListener.class)));
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oneOf(timer).cancel();
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}});
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assertTrue(keyManager.start());
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keyManager.endpointAdded(ep, MAX_LATENCY, initialSecret.clone());
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ConnectionContext ctx =
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keyManager.getConnectionContext(contactId, transportId);
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assertNotNull(ctx);
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assertEquals(contactId, ctx.getContactId());
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assertEquals(transportId, ctx.getTransportId());
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assertArrayEquals(secret1, ctx.getSecret());
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assertEquals(0, ctx.getConnectionNumber());
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assertEquals(true, ctx.getAlice());
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keyManager.stop();
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context.assertIsSatisfied();
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}
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@Test
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public void testEndpointAddedAndAcceptConnection() throws Exception {
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Mockery context = new Mockery();
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final CryptoComponent crypto = context.mock(CryptoComponent.class);
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final DatabaseComponent db = context.mock(DatabaseComponent.class);
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final Clock clock = context.mock(Clock.class);
|
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final Timer timer = context.mock(Timer.class);
|
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final SecretKey k0 = context.mock(SecretKey.class, "k0");
|
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final SecretKey k1 = context.mock(SecretKey.class, "k1");
|
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final SecretKey k2 = context.mock(SecretKey.class, "k2");
|
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|
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final ConnectionRecogniser connectionRecogniser =
|
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new ConnectionRecogniserImpl(crypto, db);
|
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final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
|
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connectionRecogniser, clock, timer);
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// The secrets for periods 0 - 2 should be derived
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Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
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final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
|
||||
final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
|
||||
final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
|
||||
|
||||
context.checking(new Expectations() {{
|
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// start()
|
||||
oneOf(db).addListener(with(any(EventListener.class)));
|
||||
oneOf(db).getSecrets();
|
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will(returnValue(Collections.emptyList()));
|
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oneOf(db).getTransportLatencies();
|
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will(returnValue(Collections.singletonMap(transportId,
|
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MAX_LATENCY)));
|
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oneOf(clock).currentTimeMillis();
|
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will(returnValue(EPOCH));
|
||||
oneOf(timer).scheduleAtFixedRate(with(keyManager),
|
||||
with(any(long.class)), with(any(long.class)));
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// endpointAdded() during rotation period 1
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||||
oneOf(clock).currentTimeMillis();
|
||||
will(returnValue(EPOCH));
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oneOf(crypto).deriveNextSecret(initialSecret, 0);
|
||||
will(returnValue(secret0.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret0, 1);
|
||||
will(returnValue(secret1.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret1, 2);
|
||||
will(returnValue(secret2.clone()));
|
||||
oneOf(db).addSecrets(Arrays.asList(s0, s1, s2));
|
||||
// The recogniser should derive the tags for period 0
|
||||
oneOf(crypto).deriveTagKey(secret0, false);
|
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will(returnValue(k0));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k0).getEncoded();
|
||||
will(returnValue(key0));
|
||||
}
|
||||
oneOf(k0).erase();
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// acceptConnection()
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)),
|
||||
with(k2), with(16L));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
oneOf(db).setConnectionWindow(contactId, transportId, 2, 1,
|
||||
new byte[] {0, 1, 0, 0});
|
||||
oneOf(k2).erase();
|
||||
// stop()
|
||||
// The recogniser should derive the tags for period 0
|
||||
oneOf(crypto).deriveTagKey(secret0, false);
|
||||
will(returnValue(k0));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k0).getEncoded();
|
||||
will(returnValue(key0));
|
||||
}
|
||||
oneOf(k0).erase();
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the updated tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 1; i < 17; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// Remove the listener and stop the timer
|
||||
oneOf(db).removeListener(with(any(EventListener.class)));
|
||||
oneOf(timer).cancel();
|
||||
}});
|
||||
|
||||
assertTrue(keyManager.start());
|
||||
keyManager.endpointAdded(ep, MAX_LATENCY, initialSecret.clone());
|
||||
// Recognise the tag for connection 0 in period 2
|
||||
byte[] tag = new byte[TAG_LENGTH];
|
||||
encodeTag(tag, key2, 0);
|
||||
ConnectionContext ctx =
|
||||
connectionRecogniser.acceptConnection(transportId, tag);
|
||||
assertNotNull(ctx);
|
||||
assertEquals(contactId, ctx.getContactId());
|
||||
assertEquals(transportId, ctx.getTransportId());
|
||||
assertArrayEquals(secret2, ctx.getSecret());
|
||||
assertEquals(0, ctx.getConnectionNumber());
|
||||
assertEquals(true, ctx.getAlice());
|
||||
keyManager.stop();
|
||||
|
||||
context.assertIsSatisfied();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testLoadSecretsAtEpoch() throws Exception {
|
||||
Mockery context = new Mockery();
|
||||
final CryptoComponent crypto = context.mock(CryptoComponent.class);
|
||||
final DatabaseComponent db = context.mock(DatabaseComponent.class);
|
||||
final Clock clock = context.mock(Clock.class);
|
||||
final Timer timer = context.mock(Timer.class);
|
||||
final SecretKey k0 = context.mock(SecretKey.class, "k0");
|
||||
final SecretKey k1 = context.mock(SecretKey.class, "k1");
|
||||
final SecretKey k2 = context.mock(SecretKey.class, "k2");
|
||||
|
||||
final ConnectionRecogniser connectionRecogniser =
|
||||
new ConnectionRecogniserImpl(crypto, db);
|
||||
final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
|
||||
connectionRecogniser, clock, timer);
|
||||
|
||||
// The DB contains the secrets for periods 0 - 2
|
||||
Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
|
||||
final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
|
||||
final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
|
||||
final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
|
||||
|
||||
context.checking(new Expectations() {{
|
||||
// start()
|
||||
oneOf(db).addListener(with(any(EventListener.class)));
|
||||
oneOf(db).getSecrets();
|
||||
will(returnValue(Arrays.asList(s0, s1, s2)));
|
||||
oneOf(db).getTransportLatencies();
|
||||
will(returnValue(Collections.singletonMap(transportId,
|
||||
MAX_LATENCY)));
|
||||
// The current time is the epoch, the start of period 1
|
||||
oneOf(clock).currentTimeMillis();
|
||||
will(returnValue(EPOCH));
|
||||
// The recogniser should derive the tags for period 0
|
||||
oneOf(crypto).deriveTagKey(secret0, false);
|
||||
will(returnValue(k0));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k0).getEncoded();
|
||||
will(returnValue(key0));
|
||||
}
|
||||
oneOf(k0).erase();
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// Start the timer
|
||||
oneOf(timer).scheduleAtFixedRate(with(keyManager),
|
||||
with(any(long.class)), with(any(long.class)));
|
||||
// stop()
|
||||
// The recogniser should remove the tags for period 0
|
||||
oneOf(crypto).deriveTagKey(secret0, false);
|
||||
will(returnValue(k0));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k0),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k0).getEncoded();
|
||||
will(returnValue(key0));
|
||||
}
|
||||
oneOf(k0).erase();
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// Remove the listener and stop the timer
|
||||
oneOf(db).removeListener(with(any(EventListener.class)));
|
||||
oneOf(timer).cancel();
|
||||
}});
|
||||
|
||||
assertTrue(keyManager.start());
|
||||
keyManager.stop();
|
||||
|
||||
context.assertIsSatisfied();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testLoadSecretsAtStartOfPeriod2() throws Exception {
|
||||
Mockery context = new Mockery();
|
||||
final CryptoComponent crypto = context.mock(CryptoComponent.class);
|
||||
final DatabaseComponent db = context.mock(DatabaseComponent.class);
|
||||
final Clock clock = context.mock(Clock.class);
|
||||
final Timer timer = context.mock(Timer.class);
|
||||
final SecretKey k1 = context.mock(SecretKey.class, "k1");
|
||||
final SecretKey k2 = context.mock(SecretKey.class, "k2");
|
||||
final SecretKey k3 = context.mock(SecretKey.class, "k3");
|
||||
|
||||
final ConnectionRecogniser connectionRecogniser =
|
||||
new ConnectionRecogniserImpl(crypto, db);
|
||||
final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
|
||||
connectionRecogniser, clock, timer);
|
||||
|
||||
// The DB contains the secrets for periods 0 - 2
|
||||
Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
|
||||
final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
|
||||
final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
|
||||
final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
|
||||
// The secret for period 3 should be derived and stored
|
||||
final TemporarySecret s3 = new TemporarySecret(ep, 3, secret3.clone());
|
||||
|
||||
context.checking(new Expectations() {{
|
||||
// start()
|
||||
oneOf(db).addListener(with(any(EventListener.class)));
|
||||
oneOf(db).getSecrets();
|
||||
will(returnValue(Arrays.asList(s0, s1, s2)));
|
||||
oneOf(db).getTransportLatencies();
|
||||
will(returnValue(Collections.singletonMap(transportId,
|
||||
MAX_LATENCY)));
|
||||
// The current time is the start of period 2
|
||||
oneOf(clock).currentTimeMillis();
|
||||
will(returnValue(EPOCH + ROTATION_PERIOD_LENGTH));
|
||||
// The secret for period 3 should be derived and stored
|
||||
oneOf(crypto).deriveNextSecret(secret0, 1);
|
||||
will(returnValue(secret1.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret1, 2);
|
||||
will(returnValue(secret2.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret2, 3);
|
||||
will(returnValue(secret3.clone()));
|
||||
oneOf(db).addSecrets(Arrays.asList(s3));
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// The recogniser should derive the tags for period 3
|
||||
oneOf(crypto).deriveTagKey(secret3, false);
|
||||
will(returnValue(k3));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k3),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k3).getEncoded();
|
||||
will(returnValue(key3));
|
||||
}
|
||||
oneOf(k3).erase();
|
||||
// Start the timer
|
||||
oneOf(timer).scheduleAtFixedRate(with(keyManager),
|
||||
with(any(long.class)), with(any(long.class)));
|
||||
// stop()
|
||||
// The recogniser should derive the tags for period 1
|
||||
oneOf(crypto).deriveTagKey(secret1, false);
|
||||
will(returnValue(k1));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k1),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k1).getEncoded();
|
||||
will(returnValue(key1));
|
||||
}
|
||||
oneOf(k1).erase();
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// The recogniser should remove the tags for period 3
|
||||
oneOf(crypto).deriveTagKey(secret3, false);
|
||||
will(returnValue(k3));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k3),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k3).getEncoded();
|
||||
will(returnValue(key3));
|
||||
}
|
||||
oneOf(k3).erase();
|
||||
// Remove the listener and stop the timer
|
||||
oneOf(db).removeListener(with(any(EventListener.class)));
|
||||
oneOf(timer).cancel();
|
||||
}});
|
||||
|
||||
assertTrue(keyManager.start());
|
||||
keyManager.stop();
|
||||
|
||||
context.assertIsSatisfied();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testLoadSecretsAtEndOfPeriod3() throws Exception {
|
||||
Mockery context = new Mockery();
|
||||
final CryptoComponent crypto = context.mock(CryptoComponent.class);
|
||||
final DatabaseComponent db = context.mock(DatabaseComponent.class);
|
||||
final Clock clock = context.mock(Clock.class);
|
||||
final Timer timer = context.mock(Timer.class);
|
||||
final SecretKey k2 = context.mock(SecretKey.class, "k2");
|
||||
final SecretKey k3 = context.mock(SecretKey.class, "k3");
|
||||
final SecretKey k4 = context.mock(SecretKey.class, "k4");
|
||||
|
||||
final ConnectionRecogniser connectionRecogniser =
|
||||
new ConnectionRecogniserImpl(crypto, db);
|
||||
final KeyManagerImpl keyManager = new KeyManagerImpl(crypto, db,
|
||||
connectionRecogniser, clock, timer);
|
||||
|
||||
// The DB contains the secrets for periods 0 - 2
|
||||
Endpoint ep = new Endpoint(contactId, transportId, EPOCH, true);
|
||||
final TemporarySecret s0 = new TemporarySecret(ep, 0, secret0.clone());
|
||||
final TemporarySecret s1 = new TemporarySecret(ep, 1, secret1.clone());
|
||||
final TemporarySecret s2 = new TemporarySecret(ep, 2, secret2.clone());
|
||||
// The secrets for periods 3 and 4 should be derived and stored
|
||||
final TemporarySecret s3 = new TemporarySecret(ep, 3, secret3.clone());
|
||||
final TemporarySecret s4 = new TemporarySecret(ep, 4, secret4.clone());
|
||||
|
||||
context.checking(new Expectations() {{
|
||||
// start()
|
||||
oneOf(db).addListener(with(any(EventListener.class)));
|
||||
oneOf(db).getSecrets();
|
||||
will(returnValue(Arrays.asList(s0, s1, s2)));
|
||||
oneOf(db).getTransportLatencies();
|
||||
will(returnValue(Collections.singletonMap(transportId,
|
||||
MAX_LATENCY)));
|
||||
// The current time is the end of period 3
|
||||
oneOf(clock).currentTimeMillis();
|
||||
will(returnValue(EPOCH + 3 * ROTATION_PERIOD_LENGTH - 1));
|
||||
// The secrets for periods 3 and 4 should be derived from secret 1
|
||||
oneOf(crypto).deriveNextSecret(secret1, 2);
|
||||
will(returnValue(secret2.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret2, 3);
|
||||
will(returnValue(secret3.clone()));
|
||||
oneOf(crypto).deriveNextSecret(secret3, 4);
|
||||
will(returnValue(secret4.clone()));
|
||||
// The new secrets should be stored
|
||||
oneOf(db).addSecrets(Arrays.asList(s3, s4));
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// The recogniser should derive the tags for period 3
|
||||
oneOf(crypto).deriveTagKey(secret3, false);
|
||||
will(returnValue(k3));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k3),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k3).getEncoded();
|
||||
will(returnValue(key3));
|
||||
}
|
||||
oneOf(k3).erase();
|
||||
// The recogniser should derive the tags for period 4
|
||||
oneOf(crypto).deriveTagKey(secret4, false);
|
||||
will(returnValue(k4));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k4),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k4).getEncoded();
|
||||
will(returnValue(key4));
|
||||
}
|
||||
oneOf(k4).erase();
|
||||
// Start the timer
|
||||
oneOf(timer).scheduleAtFixedRate(with(keyManager),
|
||||
with(any(long.class)), with(any(long.class)));
|
||||
// stop()
|
||||
// The recogniser should derive the tags for period 2
|
||||
oneOf(crypto).deriveTagKey(secret2, false);
|
||||
will(returnValue(k2));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k2),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k2).getEncoded();
|
||||
will(returnValue(key2));
|
||||
}
|
||||
oneOf(k2).erase();
|
||||
// The recogniser should remove the tags for period 3
|
||||
oneOf(crypto).deriveTagKey(secret3, false);
|
||||
will(returnValue(k3));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k3),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k3).getEncoded();
|
||||
will(returnValue(key3));
|
||||
}
|
||||
oneOf(k3).erase();
|
||||
// The recogniser should derive the tags for period 4
|
||||
oneOf(crypto).deriveTagKey(secret4, false);
|
||||
will(returnValue(k4));
|
||||
for(int i = 0; i < 16; i++) {
|
||||
oneOf(crypto).encodeTag(with(any(byte[].class)), with(k4),
|
||||
with((long) i));
|
||||
will(new EncodeTagAction());
|
||||
oneOf(k4).getEncoded();
|
||||
will(returnValue(key4));
|
||||
}
|
||||
oneOf(k4).erase();
|
||||
// Remove the listener and stop the timer
|
||||
oneOf(db).removeListener(with(any(EventListener.class)));
|
||||
oneOf(timer).cancel();
|
||||
}});
|
||||
|
||||
assertTrue(keyManager.start());
|
||||
keyManager.stop();
|
||||
|
||||
context.assertIsSatisfied();
|
||||
}
|
||||
|
||||
private void encodeTag(byte[] tag, byte[] rawKey, long connection) {
|
||||
// Encode a fake tag based on the key and connection number
|
||||
System.arraycopy(rawKey, 0, tag, 0, tag.length);
|
||||
ByteUtils.writeUint32(connection, tag, 0);
|
||||
}
|
||||
|
||||
private class EncodeTagAction implements Action {
|
||||
|
||||
public void describeTo(Description description) {
|
||||
description.appendText("Encodes a tag");
|
||||
}
|
||||
|
||||
public Object invoke(Invocation invocation) throws Throwable {
|
||||
byte[] tag = (byte[]) invocation.getParameter(0);
|
||||
SecretKey key = (SecretKey) invocation.getParameter(1);
|
||||
long connection = (Long) invocation.getParameter(2);
|
||||
encodeTag(tag, key.getEncoded(), connection);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user