The wiki search..........below...........doesn't really pertain.................the point i am making......is a code does not have to be exact..................like in math.........less than.........greater than.........equal to or approximately.......................they don't always have to be straight forward..........but can be oblique.......

The Amazing King - Linear Cryptanalysis Tutorial

www.theamazingking.com/crypto-linear.php

Source Code - This program, written in C, implements the toy cipher, calculates theapproximations, uses linear cryptanalysis to break the key, and finally ...

[PDF]Linear cryptanalysis method for DES cipher - The ...

https://www.cs.bgu.ac.il/.../Matsui.p...

Ben‑Gurion University of the Negev

by M Matsui - ‎1998 - ‎Cited by 5 - ‎Related articles

tences represented by ASCII codes, 8-round DES cipher is breakable with 2"9 ... The purpose of this method is to obtain a linear approximate expression of a ...

Ciphers vs. codes | Ciphers | Khan Academy

https://www.khanacademy.org/.../ciphers/.../ciphers-vs-co...

Khan Academy

Read and learn for free about the following article: Ciphers vs. codes.

Linear cryptanalysis - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Linear_cryptanalysis

Wikipedia

In cryptography, linear cryptanalysis is a general form of cryptanalysis based on finding affine approximations to the action of a cipher. Attacks have been ...

United States Diplomatic Codes and Ciphers: 1775-1938

https://books.google.com/books?isbn=1412844657

Ralph E. Weber - 2010 - ‎History

Arrival. apq. Applause. arp. Approximate. ato. Arrive. apr. Applicant. arq. Approximately. atp. Arrogance. aps. Application. arr. Approximation . atq. Arrogant. apt.

e-Study Guide for: Applied Algebra: Codes, Ciphers and ...

https://books.google.com/books?isbn=1467265152

Cram101 Textbook Reviews - 2014 - ‎Education

Numerical analysis: Numerical analysisis the study of algorithms that use numericalapproximation (as opposedto general symbolic manipulations) for the ...

[PDF]Finding good linear approximations of block ciphers ... - Free

ced.tavernier.free.fr/index_fichiers/Articles/Linear_Approximations.pdf

Finding good linear approximations of block ciphers and its ... Keywords : Linear cryptanalysis, Reed-Muller codes, coding theory, DES, multiple linear ap-.

[PDF]More on linear hulls of PRESENT-like ciphers and a ...

https://eprint.iacr.org/...

International Association for Cryptologic Research

by S Bulygin12 - ‎Cited by 5 - ‎Related articles

EPCBC [21] is designed for encrypting Electronic Product Code (EPC) information. Naturally ... use them to find biased linear approximation for the entire cipher.