iang/arctic: Library and benchmark program for Arctic and Shine @ 781bb6e9f467144517c24c7031077e6372ec587e

Ian Goldberg 781bb6e9f4 combinecomm_noverify becomes agg to match the paper		пре 2 година
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bin	4a5cb38b30 gen now returns (Scalar, RistrettoPoint) to match the paper	пре 2 година
arctic.rs	781bb6e9f4 combinecomm_noverify becomes agg to match the paper	пре 2 година
lagrange.rs	752e61a8c3 We never use the Lagrange interpolate function, but we keep it for completeness	пре 2 година
lib.rs	cfaab14f83 cargo fmt	пре 2 година
shine.rs	781bb6e9f4 combinecomm_noverify becomes agg to match the paper	пре 2 година