@Override
        public void decrypt(byte[] inbuffer,
                            byte[] outbuffer)
        {
            int nLen = inbuffer.length;
            long lTemp;
            for (int nI = 0; nI < nLen; nI +=8)
            {
                // decrypt a temporary 64bit block
                lTemp = byteArrayToLong(inbuffer, nI);
                lTemp = decryptBlockCBC(lTemp);
                longToByteArray(lTemp, outbuffer, nI);
            }
        }
decrypts a byte buffer (should be aligned to an 8 byte border)
to another buffer (of the same size or bigger)
@param inbuffer buffer with ciphertext data
@param outbuffer buffer to get the plaintext data
xmppserver/src/main/java/org/jivesoftware/util/Blowfish.java