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

Example 56 with Hash

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

the class DeliveryInstructions method readBytes.

/**
 * @deprecated unused
 */
@Deprecated
public void readBytes(InputStream in) throws DataFormatException, IOException {
    long flags = DataHelper.readLong(in, 1);
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Read flags: " + flags + " mode: " +  flagMode(flags));
    /**
     **
     *        if (flagEncrypted(flags)) {
     *            SessionKey k = new SessionKey();
     *            k.readBytes(in);
     *            setEncryptionKey(k);
     *            setEncrypted(true);
     *        } else {
     *            setEncrypted(false);
     *        }
     ***
     */
    setDeliveryMode(flagMode(flags));
    switch(flagMode(flags)) {
        case FLAG_MODE_LOCAL:
            break;
        case FLAG_MODE_DESTINATION:
            // Hash destHash = new Hash();
            // destHash.readBytes(in);
            Hash destHash = Hash.create(in);
            setDestination(destHash);
            break;
        case FLAG_MODE_ROUTER:
            // Hash routerHash = new Hash();
            // routerHash.readBytes(in);
            Hash routerHash = Hash.create(in);
            setRouter(routerHash);
            break;
        case FLAG_MODE_TUNNEL:
            // Hash tunnelRouterHash = new Hash();
            // tunnelRouterHash.readBytes(in);
            Hash tunnelRouterHash = Hash.create(in);
            setRouter(tunnelRouterHash);
            TunnelId id = new TunnelId();
            id.readBytes(in);
            setTunnelId(id);
            break;
    }
    if (flagDelay(flags)) {
        long delay = DataHelper.readLong(in, 4);
        setDelayRequested(true);
        setDelaySeconds(delay);
    } else {
        setDelayRequested(false);
    }
}

Example 57 with Hash

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

the class DeliveryInstructions method readBytes.

public int readBytes(byte[] data, int offset) throws DataFormatException {
    int cur = offset;
    int flags = data[cur] & 0xff;
    cur++;
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Read flags: " + flags + " mode: " +  flagMode(flags));
    /**
     **
     *        if (flagEncrypted(flags)) {
     *            byte kd[] = new byte[SessionKey.KEYSIZE_BYTES];
     *            System.arraycopy(data, cur, kd, 0, SessionKey.KEYSIZE_BYTES);
     *            cur += SessionKey.KEYSIZE_BYTES;
     *            setEncryptionKey(new SessionKey(kd));
     *            setEncrypted(true);
     *        } else {
     *            setEncrypted(false);
     *        }
     ***
     */
    setDeliveryMode(flagMode(flags));
    switch(flagMode(flags)) {
        case FLAG_MODE_LOCAL:
            break;
        case FLAG_MODE_DESTINATION:
            // byte destHash[] = new byte[Hash.HASH_LENGTH];
            // System.arraycopy(data, cur, destHash, 0, Hash.HASH_LENGTH);
            Hash dh = Hash.create(data, cur);
            cur += Hash.HASH_LENGTH;
            setDestination(dh);
            break;
        case FLAG_MODE_ROUTER:
            // byte routerHash[] = new byte[Hash.HASH_LENGTH];
            // System.arraycopy(data, cur, routerHash, 0, Hash.HASH_LENGTH);
            Hash rh = Hash.create(data, cur);
            cur += Hash.HASH_LENGTH;
            setRouter(rh);
            break;
        case FLAG_MODE_TUNNEL:
            // byte tunnelRouterHash[] = new byte[Hash.HASH_LENGTH];
            // System.arraycopy(data, cur, tunnelRouterHash, 0, Hash.HASH_LENGTH);
            Hash trh = Hash.create(data, cur);
            cur += Hash.HASH_LENGTH;
            setRouter(trh);
            setTunnelId(new TunnelId(DataHelper.fromLong(data, cur, 4)));
            cur += 4;
            break;
    }
    if (flagDelay(flags)) {
        long delay = DataHelper.fromLong(data, cur, 4);
        cur += 4;
        setDelayRequested(true);
        setDelaySeconds(delay);
    } else {
        setDelayRequested(false);
    }
    return cur - offset;
}

Example 58 with Hash

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

the class KBucketSetTest method setUp.

public void setUp() {
    context = I2PAppContext.getGlobalContext();
    log = context.logManager().getLog(KBucketSet.class);
    byte[] us = new byte[Hash.HASH_LENGTH];
    context.random().nextBytes(us);
    usHash = new Hash(us);
    // We use the default RandomTrimmer so add() will never fail
    set = new KBucketSet<Hash>(context, usHash, K, B);
    // tests may be run in any order so prime it
    addRandom(1000);
}

Example 59 with Hash

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

the class KBucketSetTest method testGenRandom.

/**
 * @since 0.9.10
 */
public void testGenRandom() {
    int errors = 0;
    for (KBucket<Hash> b : set.getBuckets()) {
        for (int j = 0; j < 4000; j++) {
            Hash rand = set.generateRandomKey(b);
            int range = set.getRange(rand);
            if (range < b.getRangeBegin() || range > b.getRangeEnd()) {
                log.error("Generate random key failed range=" + range + " for " + rand + " meant for bucket " + b);
                errors++;
            }
        }
    }
    assertTrue(errors == 0);
}

Example 60 with Hash

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

the class KBucketSetTest method testClosest.

/**
 * @since 0.9.10
 */
public void testClosest() {
    byte[] val = new byte[Hash.HASH_LENGTH];
    for (int i = 0; i < 23; i++) {
        context.random().nextBytes(val);
        Hash h = new Hash(val);
        List<Hash> c = set.getClosest(h, i);
        assertTrue(c.size() == i);
    }
}