The files in this directory and its subdirectories (except kex_code_mcbits.*) 
were originally written by Daniel J. Bernstein, Tung Chou, and Peter Schwabe
(https://www.win.tue.nl/~tchou/mcbits/).

According to the distribution website (https://www.win.tue.nl/~tchou/mcbits/):

"The software is in the public domain."
