libFNR - A reference implementation library for FNR encryption scheme.

FNR represents Flexible Naor and Reingold

FNR is a small domain block cipher for encrypting objects ( < 128 bits ) like IPv4, MAC, Time Stamps, Credit Card numbers etc.

Motivation and Applications of this scheme could be found [here!] (http://cisco.github.io/libfnr/).

This project is being maintained [here!] (https://github.com/cisco/libfnr) and Java extensions [here!] (https://github.com/cisco/jfnr).

Report bugs to libfnr-dev@external.cisco.com

Keywords: Length Preserving Encryption, Format Preserving encryption

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

Copyright (C) 2014 , Cisco Systems Inc.