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Public License for the SPECK Algorithm
Version 1.1, March 8, 2004

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The Set-Partitioning Embedded Block (SPECK) algorithm is protected by US
Patent #6,671,413 (issued December 30, 2003) and by patents pending.
An implementation of the SPECK algorithm is included herein with the
gracious permission of Dr. William A. Pearlman, exclusive holder of patent
rights. Dr. Pearlman has granted the following license governing the terms
and conditions for use, copying, distribution, and modification of the
SPECK algorithm implementation contained herein (hereafter referred to as
"the SPECK source code").

0. Use of the SPECK source code, including any executable-program or
   linkable-library form resulting from its compilation, is restricted to
   solely academic or non-commercial research activities.

1. Any other use, including, but not limited to, use in the development
   of a commercial product, use in a commercial application, or commercial
   distribution, is prohibited by this license. Such acts require a separate
   license directly from Dr. Pearlman.

2. For academic and non-commercial purposes, this license does not restrict
   use; copying, distribution, and modification are permitted under the
   terms of the GNU General Public License as published by the Free Software
   Foundation, with the further restriction that the terms of the present
   license shall also apply to all subsequent copies, distributions,
   or modifications of the SPECK source code.

NO WARRANTY

3. Dr. Pearlman dislaims all warranties, expressed or implied, including
   without limitation any warranty whatsoever as to the fitness for a
   particular use or the merchantability of the SPECK source code.

4. In no event shall Dr. Pearlman be liable for any loss of profits, loss
   of business, loss of use or loss of data, nor for indirect, special,
   incidental or consequential damages of any kind related to use of the
   SPECK source code.


END OF TERMS AND CONDITIONS


Persons desiring to license the SPECK algorithm for commercial purposes or
for uses otherwise prohibited by this license may wish to contact
Dr. Pearlman regarding the possibility of negotiating such licenses:

  Dr. William A. Pearlman
  Dept. of Electrical, Computer, and Systems Engineering
  Rensselaer Polytechnic Institute
  Troy, NY 12180-3590
  U.S.A.
  email: pearlman@ecse.rpi.edu
  tel.: (518) 276-6082
  fax: (518) 276-6261
 
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