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

Ian Goldberg 781bb6e9f4 combinecomm_noverify becomes agg to match the paper		il y a 11 mois
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bin	4a5cb38b30 gen now returns (Scalar, RistrettoPoint) to match the paper	il y a 10 mois
arctic.rs	781bb6e9f4 combinecomm_noverify becomes agg to match the paper	il y a 10 mois
lagrange.rs	752e61a8c3 We never use the Lagrange interpolate function, but we keep it for completeness	il y a 10 mois
lib.rs	cfaab14f83 cargo fmt	il y a 10 mois
shine.rs	781bb6e9f4 combinecomm_noverify becomes agg to match the paper	il y a 10 mois