Isn't this highly similar to MIT's Sanctum from 2015, also open source and ignoring the hardware changes needed to make meaningful guarantees about sidechannel

Isn't this highly similar to MIT's Sanctum from 2015, also open source and ignoring the hardware changes needed to make meaningful guarantees about sidechannel attack robustness? Useful if you want to avoid hardware mods, but the enclave model is not new. https://eprint.iacr.org/2015/564.pdf https://eprint.iacr.org/2015/564.pdf and open source code via MIT license here: https://github.com/pwnall/sanctum https://github.com/pwnall/sanctum