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Code Issues Projects Releases Wiki Activity

Use named constants.

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This commit is contained in:
akwizgran
2019-06-07 11:54:44 +01:00
parent ba19716e0f
commit 60eefbf3e0
3 changed files with 15 additions and 9 deletions
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11
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
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@@ -76,6 +76,7 @@ import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_ONLY_WHE
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_PORT;
import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V2;
import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V3;
import static org.briarproject.bramble.plugin.tor.TorRendezvousCrypto.SEED_BYTES;
import static org.briarproject.bramble.util.IoUtils.copyAndClose;
import static org.briarproject.bramble.util.IoUtils.tryToClose;
import static org.briarproject.bramble.util.LogUtils.logException;
@@ -613,15 +614,15 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
@Override
public RendezvousEndpoint createRendezvousEndpoint(KeyMaterialSource k,
boolean alice, ConnectionHandler incoming) {
byte[] aliceSeed = k.getKeyMaterial(32);
byte[] bobSeed = k.getKeyMaterial(32);
byte[] aliceSeed = k.getKeyMaterial(SEED_BYTES);
byte[] bobSeed = k.getKeyMaterial(SEED_BYTES);
byte[] localSeed = alice ? aliceSeed : bobSeed;
byte[] remoteSeed = alice ? bobSeed : aliceSeed;
String blob = torRendezvousCrypto.getPrivateKeyBlob(localSeed);
String localOnion = torRendezvousCrypto.getOnionAddress(localSeed);
String remoteOnion = torRendezvousCrypto.getOnionAddress(remoteSeed);
TransportProperties remote = new TransportProperties();
remote.put(PROP_ONION_V3, remoteOnion);
TransportProperties remoteProperties = new TransportProperties();
remoteProperties.put(PROP_ONION_V3, remoteOnion);
try {
ServerSocket ss = new ServerSocket();
ss.bind(new InetSocketAddress("127.0.0.1", 0));
@@ -646,7 +647,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
@Override
public TransportProperties getRemoteTransportProperties() {
return remote;
return remoteProperties;
}
@Override

2
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorRendezvousCrypto.java
View File

@@ -2,6 +2,8 @@ package org.briarproject.bramble.plugin.tor;
interface TorRendezvousCrypto {
static final int SEED_BYTES = 32;
String getOnionAddress(byte[] seed);
String getPrivateKeyBlob(byte[] seed);

11
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorRendezvousCryptoImpl.java
View File

@@ -18,6 +18,9 @@ public class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
private static final EdDSANamedCurveSpec CURVE_SPEC =
EdDSANamedCurveTable.getByName("Ed25519");
private static final byte HS_PROTOCOL_VERSION = 3;
private static final int CHECKSUM_BYTES = 2;
@Override
public String getOnionAddress(byte[] seed) {
EdDSAPrivateKeySpec spec = new EdDSAPrivateKeySpec(seed, CURVE_SPEC);
@@ -26,13 +29,13 @@ public class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
byte[] label = ".onion checksum".getBytes(Charset.forName("US-ASCII"));
digest.update(label, 0, label.length);
digest.update(publicKey, 0, publicKey.length);
digest.update((byte) 3);
digest.update(HS_PROTOCOL_VERSION);
byte[] checksum = new byte[digest.getDigestSize()];
digest.doFinal(checksum, 0);
byte[] address = new byte[publicKey.length + 3];
byte[] address = new byte[publicKey.length + CHECKSUM_BYTES + 1];
arraycopy(publicKey, 0, address, 0, publicKey.length);
arraycopy(checksum, 0, address, publicKey.length, 2);
address[address.length - 1] = 3;
arraycopy(checksum, 0, address, publicKey.length, CHECKSUM_BYTES);
address[address.length - 1] = HS_PROTOCOL_VERSION;
return Base32.encode(address).toLowerCase();
}