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 encryptio

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: http://www.cypherspace.org/adam/shirt/uk-shirt.html 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_investigation http://en.wikipedia.org/wiki/Pretty_Good_Privacy#Criminal_in...