Polynomial Interpolation of the Elliptic Curve and XTR Discrete Logarithm
COCOON '02 Proceedings of the 8th Annual International Conference on Computing and Combinatorics
Evidence that XTR Is More Secure than Supersingular Elliptic Curve Cryptosystems
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Discrete Applied Mathematics - Special issue: International workshop on coding and cryptography (WCC 2001)
Modern Computer Algebra
Interpolation of the elliptic curve Diffie-Hellman mapping
AAECC'03 Proceedings of the 15th international conference on Applied algebra, algebraic algorithms and error-correcting codes
Interpolation of the Double Discrete Logarithm
WAIFI '08 Proceedings of the 2nd international workshop on Arithmetic of Finite Fields
The Diffie---Hellman problem and generalization of Verheul's theorem
Designs, Codes and Cryptography
Interpolation of functions related to the integer factoring problem
WCC'05 Proceedings of the 2005 international conference on Coding and Cryptography
Closed formulae for the Weil pairing inversion
Finite Fields and Their Applications
Polynomial approximation of bilinear Diffie--Hellman maps
Finite Fields and Their Applications
Pairing'07 Proceedings of the First international conference on Pairing-Based Cryptography
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We study two topics on degrees of polynomials which interpolate cryptographic functions. The one is concerned with elliptic curve discrete logarithm (ECDL) on curves with an endomorphism of degree 2 or 3. For such curves, we obtain a better lower bound of degrees for polynomial interpolation of ECDL. The other deals with degrees of polynomial interpolations of embeddings of a subgroup of the multiplicative group of a finite field to an elliptic curve.