There was the RSA t-shirt which supposedly could be classified as a munition because the source code on the shirt would provide a high enough level of encryption:
PGP released a really nicely bound version of their source code typeset in an OCR font that they exported because a book would theoretically fall under the First Amendment:
Instructions to produce a nuclear bomb also fall under the First Amendment.
There was a contradiction in the laws. That's hardly novel or unprecedented. The higher courts pretty much spend all day dealing with contradictions in laws.
http://www.cypherspace.org/adam/shirt/uk-shirt.html
PGP released a really nicely bound version of their source code typeset in an OCR font that they exported because a book would theoretically fall under the First Amendment:
http://en.wikipedia.org/wiki/Pretty_Good_Privacy#Criminal_in...