Hidden inside a simple color-mixing analogy is one of the most elegant ideas in cryptography, a mathematical trap door that lets two strangers build a shared secret in plain sight. This is the story ...

Diffie-Hellman’s key-exchange method runs this kind of exponentiation protocol, with all the operations conducted in this way ...

Master speed maths tricks to ace the Quant section of banking exams like IBPS, SBI, RBI, and IDBI. Learn shortcuts for multiplication, division, percentages, profit & loss, algebra, and more to save ...

Abstract: Modular multiplication is used in a wide range of applications. Most of the existing modular multiplication algorithms in the literature often focus on large size moduli. However, those ...

The Zmodn package provides a class for representing integers modulo a given prime number. This class can be used to applications such as cryptography and computer algebra.

Pure-Python library for working with modular arithmetic, congruence classes, and finite fields. A library for number theory and modular arithmetic algorithms in Python e.g. Pollard Rho, Miller–Rabin ...

One of my fellow contributors here recently wrote a post about leap years and why we have them. This reminded me of modular arithmetic and the formula for calculating the day of the week for any date ...