> we might wish OCB hadn’t been patented Rogaway says he has released all his OCB patents into the public domain[1], so it sounds like OCB might be an option f

> we might wish OCB hadn’t been patented Rogaway says he has released all his OCB patents into the public domain[1], so it sounds like OCB might be an option for greenfield projects? OTOH, I don’t see why you’d use any kind of AES in a greenfield project outside the surreal FIPS world, given how absolutely miserable constant-time software for it is. (ChaCha is kind of miserable when you don’t have at least a 32-bit ALU with a barrel shifter—that is on exactly the kind of platforms where table-based AES might actually be constant-time—but I’m not sure that’s a good enough reason.) [1] https://mailarchive.ietf.org/arch/msg/cfrg/qLTveWOdTJcLn4HP3ev-vrj05Vg/ https://mailarchive.ietf.org/arch/msg/cfrg/qLTveWOdTJcLn4HP3...