libFNR - A reference implementation library for FNR encryption scheme.

    FNR represents "Flexible Naor and Reingold" 

    FNR is a small domain block cipher to encrypt small domain
    objects ( < 128 bits ) like IPv4, MAC, Credit Card numbers etc.

    FNR is designed by Sashank Dara (sadara@cisco.com), Scott Fluhrer (sfluhrer@cisco.com)

    Copyright (C) 2014 , Cisco Systems Inc.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA


Quick Tour of this package

  README -- this file

  INSTALL -- 
  NOTE : openssl latest version (> openssl-1.0.1e) needs to be installed
  Steps
      source bootstrap.sh (optional)
     ./configure --enable-debug=yes
      make
      make install

   RUN
     cd test
     ./ipv4test -p password -t  tweak -f raw–ips

  LICENSE -- LGPL (2.1) license copy under which this library is being released
  HOWTO   -- How to write applications using libfnr
  doc/Spec - Details of Encryption specification

  src/fnr.c fnr.h has the core implementation of FNR 
  test/test_ipv.c has the demo application on using FNR 
   
  Report bugs to <libfnr-dev@external.cisco.com>

 IMPORTANT:  This is an *experimental* cipher, not for production yet.