philzimmermann.com

xd8o TIL that to circumvent US laws banning the export of cryptography software as “ammunition”, PGP inventor Phill Zimmermann published the entire sourcecode in a hardcover book. The export of books is fully legal.
E9YX TIL the founder of “Pretty Good Privacy” encryption got around USA’s munition export laws by printing the entire code as a book and claiming 1st amendment rights