Obviously it is all depends on the classification level of the platform in subject. Military projects I've worked on, none of the known algorithms were in use.

Obviously it is all depends on the classification level of the platform in subject. Military projects I've worked on, none of the known algorithms were in use. However, those are not available for commercial use whatsoever. The author is right about one thing though, since if it is available in the commercial world, it is better off be called as "Industry Standard Encryption".