public void encrypt(long[] inbuffer, long[] outbuffer) {
            int nLen = inbuffer.length;
            for (int nI = 0; nI < nLen; nI++)
            {
                outbuffer[nI] = encryptBlock(inbuffer[nI]);
            }
        }
encrypts a long buffer to another long buffer (of the same size or bigger)
@param inbuffer buffer with plaintext data
@param outbuffer buffer to get the ciphertext data
xmppserver/src/main/java/org/jivesoftware/util/Blowfish.java