Modifying twist algorithms for determining the key length of a Vigen\`{e}re cipher

Autor: Millichap, Christian, Yau, Yeeka, Pate, Alyssa, Carns, Morgan
Rok vydání: 2023
Předmět:
Druh dokumentu: Working Paper
Popis: In this article, we analyze and improve upon the twist-based algorithms introduced by Barr--Simoson and Park--Kim--Cho--Yum for determining the key length of a Vigen\`{e}re cipher. We provide an in-depth discussion on how the domain of the twist index affects the accuracy of these algorithms along with supporting experimental evidence. We also introduce a new twist-based algorithm, the twist$^{++}$ algorithm, and show this algorithm is more accurate than the twist$^{+}$ algorithm for a wide range of key lengths and text lengths.
Databáze: arXiv