They have leaked it with Apple's warranty canary which was removed.
editing my comment since I can't reply to hellbanner: Percentage doesn't matter, it only takes one. One person to destroy a hundred billion dollar company overnight. I am not saying "Tim Cook can not possibly be lying." I am saying "If Tim Cook lied, he just made a hundred billion dollar bet that he can keep a secret." Personally, I doubt he's that dumb.
Then again, RSA isn't in the business of making consumer hardware. I'm not sure what difference to expect that to make.