Re: IBM press release - encryption and authentication

[Bram Cohen]

On Sun, 10 Dec 2000, Paulo S. L. M. Barreto wrote:

> A description of Jutla's mode of operation is available from NIST's AES site.
> And yes, IBM has filed patent for it.

Note to cryptographers of the world - there are two reasons to patent an
algorithm -

1) to keep anyone else from patenting it and release it into the public
domain.

2) to keep anyone from using it

If you're not doing 1, you're doing 2.

-Bram Cohen