(Post-Quantum) Cryptographic Right Answers

Filippo Valsorda updates the "Cryptographic Right Answers" tradition (Percival, Ptacek, Latacora) for the accelerated post-quantum transition, giving developers concrete recommendations for encryption, key exchange, signatures, hashing, passwords, TLS and more.

Tutorial · Security · Cryptography · Programming

Evaluating Polynomials Fast

Thomas Ahle presents a technique for evaluating polynomials in roughly half the multiplications that Horner's method requires, by preprocessing the coefficients offline. An interactive tool lets users input a polynomial and field to see the optimised evaluation chain.

Tutorial · Algorithms · Mathematics · Cryptography · Numerical Computing