Credits for encryption and authentication implementation used by ENskip
=======================================================================

DES:  Based on libdes by Eric Young. Copyright (C) 1992 Eric Young

RC4:  Based on Usenet source code for RC4 of unknown origin. 

      Note: The name RC4 was chosen for convenience. No parts of any 
      product by RSA Data Security, Inc. were used. Hence no warranty 
      for compatibility with other algorithms called RC4 can be given. 
      Also no warranty for cryptographical strength of the implemented 
      algorithm is given.

MD5:  Based on MD5 public domain implementation by Colin Plumb 1993

IDEA, RC2: Based on cryptlib by Peter Gutmann,
      see lib/cryptrc2.c and lib/cryptidea.c for details

      Note: The name RC2 was chosen for convenience. No parts of any 
      product by RSA Data Security, Inc. were used. Hence no warranty 
      for compatibility with other algorithms called RC2 can be given. 
      Also no warranty for cryptographical strength of the implemented 
      algorithm is given.

SAFER SK-128: Based on code by Richard De Moliner, with some modifications
      by SUN Microsystems -- see lib/cryptsk128.c for details

