shacrypt – license

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   Java Port By: James Ratcliff, falazar@arlut.utexas.edu

   This class implements the new generation, scalable, SHA256-based
   Unix 'crypt' algorithm developed by a group of engineers from Red
   Hat, Sun, IBM, and HP for common use in the Unix and Linux
   /etc/shadow files.

   The Linux glibc library (starting at version 2.7) includes support
   for validating passwords hashed using this algorithm.

   The algorithm itself was released into the Public Domain by Ulrich
   Drepper .  A discussion of the rationale and
   development of this algorithm is at

   http://people.redhat.com/drepper/sha-crypt.html

   and the specification and a sample C language implementation is at

   http://people.redhat.com/drepper/SHA-crypt.txt

   This Java Port is

     Copyright (c) 2008 The University of Texas at Austin.

     All rights reserved.

     Redistribution and use in source and binary form are permitted
     provided that distributions retain this entire copyright notice
     and comment. Neither the name of the University nor the names of
     its contributors may be used to endorse or promote products
     derived from this software without specific prior written
     permission. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY
     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE
     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
     PARTICULAR PURPOSE.