int outlen = 5;
        byte[] expanded = PacMac.expandNFold(data, outlen);
        assertNotNull(expanded);
        assertEquals(outlen, expanded.length);

        // Test vectors from RFC 3961 Appendix A.1
        // 64-fold("012345")
        verifyNfold("012345", 8,
                new byte[] { (byte) 0xbe, (byte) 0x07, (byte) 0x26, (byte) 0x31, (byte) 0x27, (byte) 0x6b, (byte) 0x19, (byte) 0x55 });

        // 56-fold("password")

        SMBUtil.writeInt2(24, buffer, 10); // DataOffset
        SMBUtil.writeInt4(32, buffer, 12); // DataLength (standard lease only)

        // Write name
        System.arraycopy("DLse".getBytes(), 0, buffer, 16, 4);

        // Write lease key
        Smb2LeaseKey key = new Smb2LeaseKey();
        key.encode(buffer, 24);

        // Write lease state

        System.arraycopy("file2".getBytes("UnicodeLittleUnmarked"), 0, buffer, notifyOffset + 12, 10);

        // Third notification at offset 164 (120 + 44)
        notifyOffset = 164;
        SMBUtil.writeInt4(0, buffer, notifyOffset); // NextEntryOffset (last)
        SMBUtil.writeInt4(3, buffer, notifyOffset + 4); // Action (MODIFIED)
        SMBUtil.writeInt4(10, buffer, notifyOffset + 8);