OCB - An Authenticated-Encryption Scheme - GPL Patent Grant - Rogaway

## OCB: Patent Grant for GNU GPL

Whereas I, Phillip Rogaway (hereinafter "Inventor") have sought patent protection for certain technology (hereinafter "Patented Technology"), and Inventor wishes to aid the Free Software Foundation in achieving its goals, and Inventor wishes to increase public awareness of Patented Technology, Inventor hereby grants a fully paid-up, nonexclusive, royalty-free license to practice any patents claiming priority to the patent applications below ("the Patents") if practiced by software distributed under the terms of any version of the GNU General Public License as published by the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111. Inventor reserves all other rights, including without limitation licensing for software not distributed under the GNU General Public License.

#### The patents:

- 09/918,615 - Method and Apparatus for Facilitating Efficient Authenticated Encryption.
- 09/948,084 - Method and Apparatus for Realizing a Parallelizable Variable-Input-Length Pseudorandom Function.

June 12, 2012: Phillip Rogaway licensed the distribution of OCB in Mosh under the GPL with the OpenSSL linking exception and iOS waiver contained in the `COPYING.iOS` file.

> "Mosh with the two GPL exemptions you specify in the attached note is freely licensed to use for any OCB-related IP that I own."