Riad S. Wahby[SMTP:rsw@mit.edu] wrote:

Tim May <tcmay@got.net> wrote:

...

protect against ROT-13 and Pig Latin being DMCA-protected. Utterly

Isn't ROT-13 what Adobe used in the eBook? Isn't that what Dmitry Skylarov was arrested for circumventing?

I'd say it doesn't matter how strong the cryptography is. What matters is whose pocketbook is larger.

Riad Wahby rsw@mit.edu

No, Adobe did not use ROT13. They were quite a bit better than that (though still breakable, obviously). One other company mentioned in Sklyarov's paper did, but the content of their site suggests they are an investment advice firm, using it to protect their own reports which they sold to customers (this is not clear from the paper - I think Dmitri was grandstanding a bit here.) The only victim of their incompetence is themselves. Last time I checked, the paper was on http://www.treachery.net/~jdyson/ebooks/ Peter Trei