Elliptic Nets with Applications to Cryptography

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An elliptic divisibility sequence is an integer recurrence sequence related to the multiples of a rational point on an elliptic curve. We generalise this definition to higher dimensions: an elliptic net is a map from Z^n to Z encoding information about the Mordell-Weil group. This gives new methods of computation on elliptic curves, including a new algorithm to compute the Tate pairing for pairing-based cryptography.







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microsoft research