iang/arctic: Library and benchmark program for Arctic and Shine @ fcf2d56732de000a6f354bf5f1a34be3b57d99a8

Ian Goldberg fcf2d56732 hash2 and hash3 exchange names to match the paper		4 ay önce
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bin	f0651515e6 gen now returns (Scalar, RistrettoPoint) to match the paper	4 ay önce
arctic.rs	fcf2d56732 hash2 and hash3 exchange names to match the paper	4 ay önce
lagrange.rs	eba60179b5 We never use the Lagrange interpolate function, but we keep it for completeness	4 ay önce
lib.rs	568968c6e2 cargo fmt	5 ay önce
shine.rs	ae118dd572 combinecomm_noverify becomes agg to match the paper	4 ay önce