case 9:
          k2 ^= (long) toUnsignedInt(bb.get(8)); // fall through
        case 8:
          k1 ^= bb.getLong();
          break;
        case 7:
          k1 ^= (long) toUnsignedInt(bb.get(6)) << 48; // fall through
        case 6:
          k1 ^= (long) toUnsignedInt(bb.get(5)) << 40; // fall through
        case 5:
          k1 ^= (long) toUnsignedInt(bb.get(4)) << 32; // fall through
        case 4:

        byte[] blob = new byte[] { 9, 8, 7, 6 };
        // Place blob further ahead to exercise pad adjustment logic
        int secBufOffset = Smb2Constants.SMB2_HEADER_LENGTH + 16; // beyond current bodyIndex (64+8)
        int sessionFlags = Smb2SessionSetupResponse.SMB2_SESSION_FLAGS_IS_NULL;
        buildSessionSetupBody(buf, headerStart, bodyStart, sessionFlags, secBufOffset, blob);

        resp.decode(buf, headerStart);

     * reset.
     *
     * @return the array of bytes for the resulting hash value.
     */
    @Override
    public byte[] engineDigest() {
        // pad output to 56 mod 64; as RFC1320 puts it: congruent to 448 mod 512
        final int bufferNdx = (int) (count % BLOCK_LENGTH);
        final int padLen = bufferNdx < 56 ? 56 - bufferNdx : 120 - bufferNdx;

        // padding is alwas binary 1 followed by binary 0s