Examples with MessageDigest java.security.MessageDigest used on opensource projects

Example 81 with MessageDigest

use of java.security.MessageDigest in project platformlayer by platformlayer.

the class CryptoUtils method sha256.

public static Sha256Hash sha256(byte[]... data) {
    MessageDigest digest = getSha256();
    for (int i = 0; i < data.length - 1; i++) {
        digest.update(data[i]);
    }
    byte[] hash = digest.digest(data[data.length - 1]);
    return new Sha256Hash(hash);
}

Example 82 with MessageDigest

use of java.security.MessageDigest in project cassandra by apache.

the class CacheProviderTest method assertDigests.

private void assertDigests(IRowCacheEntry one, CachedBTreePartition two) {
    assertTrue(one instanceof CachedBTreePartition);
    try {
        MessageDigest d1 = MessageDigest.getInstance("MD5");
        MessageDigest d2 = MessageDigest.getInstance("MD5");
        UnfilteredRowIterators.digest(((CachedBTreePartition) one).unfilteredIterator(), d1, MessagingService.current_version);
        UnfilteredRowIterators.digest(((CachedBTreePartition) two).unfilteredIterator(), d2, MessagingService.current_version);
        assertTrue(MessageDigest.isEqual(d1.digest(), d2.digest()));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
}

Example 83 with MessageDigest

use of java.security.MessageDigest in project cassandra by apache.

the class UUIDGen method hash.

private static byte[] hash(Collection<InetAddress> data) {
    try {
        // Identify the host.
        MessageDigest messageDigest = MessageDigest.getInstance("MD5");
        for (InetAddress addr : data) messageDigest.update(addr.getAddress());
        // Identify the process on the load: we use both the PID and class loader hash.
        long pid = CLibrary.getProcessID();
        if (pid < 0)
            pid = new Random(System.currentTimeMillis()).nextLong();
        FBUtilities.updateWithLong(messageDigest, pid);
        ClassLoader loader = UUIDGen.class.getClassLoader();
        int loaderId = loader != null ? System.identityHashCode(loader) : 0;
        FBUtilities.updateWithInt(messageDigest, loaderId);
        return messageDigest.digest();
    } catch (NoSuchAlgorithmException nsae) {
        throw new RuntimeException("MD5 digest algorithm is not available", nsae);
    }
}

Example 84 with MessageDigest

use of java.security.MessageDigest in project cassandra by apache.

the class PartitionTest method testDigest.

public void testDigest(int version) throws NoSuchAlgorithmException {
    ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_TENCOL);
    try {
        RowUpdateBuilder builder = new RowUpdateBuilder(cfs.metadata(), 5, "key1").clustering("c").add("val", "val1");
        for (int i = 0; i < 10; i++) builder.add("val" + i, "val" + i);
        builder.build().applyUnsafe();
        new RowUpdateBuilder(cfs.metadata(), 5, "key2").clustering("c").add("val", "val2").build().applyUnsafe();
        ReadCommand cmd1 = Util.cmd(cfs, "key1").build();
        ReadCommand cmd2 = Util.cmd(cfs, "key2").build();
        ImmutableBTreePartition p1 = Util.getOnlyPartitionUnfiltered(cmd1);
        ImmutableBTreePartition p2 = Util.getOnlyPartitionUnfiltered(cmd2);
        MessageDigest digest1 = MessageDigest.getInstance("MD5");
        MessageDigest digest2 = MessageDigest.getInstance("MD5");
        UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
        UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
        assertFalse(Arrays.equals(digest1.digest(), digest2.digest()));
        p1 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
        p2 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
        digest1 = MessageDigest.getInstance("MD5");
        digest2 = MessageDigest.getInstance("MD5");
        UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
        UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
        assertTrue(Arrays.equals(digest1.digest(), digest2.digest()));
        p1 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
        RowUpdateBuilder.deleteRow(cfs.metadata(), 6, "key2", "c").applyUnsafe();
        p2 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
        digest1 = MessageDigest.getInstance("MD5");
        digest2 = MessageDigest.getInstance("MD5");
        UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
        UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
        assertFalse(Arrays.equals(digest1.digest(), digest2.digest()));
    } finally {
        cfs.truncateBlocking();
    }
}

Example 85 with MessageDigest

use of java.security.MessageDigest in project cassandra by apache.

the class ReadResponse method makeDigest.

protected static ByteBuffer makeDigest(UnfilteredPartitionIterator iterator, ReadCommand command) {
    MessageDigest digest = FBUtilities.threadLocalMD5Digest();
    UnfilteredPartitionIterators.digest(iterator, digest, command.digestVersion());
    return ByteBuffer.wrap(digest.digest());
}