Getting SCALE-MAMBA working

https://homes.esat.kuleuven.be/~nsmart/SCALE/ https://github.com/KULeuven-COSIC/SCALE-MAMBA I opted to use their Nix shell file to avoid tainting the rest of my system with potentially incompatible junk. Feel free to use whatever other hazmat quarantine procedures strike your fancy (Docker, VMs, whatever). (EDIT: this doesn't completely work, sadly, as some of its build scripts call cargo, which touches your home directory. Alas.) Due to the presence of (P)CLMUL—(polynomial) carry-less multiplication—instructions in the source code, …