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math.NT2024
Extending class group action attacks via sesquilinear pairings
Joseph Macula, Katherine E. Stange
We introduce a new tool for the study of isogeny-based cryptography, namely pairings which are sesquilinear (conjugate linear) with respect to the -module structure of…
math.NT2024
Sesquilinear pairings on elliptic curves
Katherine E. Stange
Let be an elliptic curve with complex multiplication by a ring , where is an order in an imaginary quadratic field or quaternion algebra. We define sesquilinear pairings…