iang/arctic: Library and benchmark program for Arctic and Shine @ f59c667f0dab21a430fc3fb2ad2f88346ad56738

Library and benchmark program for Arctic and Shine

Ian Goldberg f59c667f0d Include the Arctic public key as a field of its secret key to match the paper		преди 11 месеца
src	f59c667f0d Include the Arctic public key as a field of its secret key to match the paper	преди 10 месеца
Cargo.toml	55187fb080 Use itertools::combinations instead of rolling our own	преди 10 месеца