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12 results in File Exchange

Galois Field Array to Decimal Array Conversion

Version 1.0.0.0 by Murad Qahwash

convert fg array to decimal numbers

This code converts a Galois Field array created using GF(2^m) for a given primitive polynomial into a decimal array that can be used within typical .m file

  • 3.8K (All time)
  • 1 (Last 30 days)
  • 4.5 / 5
  • Community
  • 5 Oct 2006

Galois Field Array to Exponential Array Conversion

Version 1.1.0.0 by Colin O'Flynn

Convert GF array into exponential notation (a^3, etc)

This code converts a Galois Field array created using GF(2^m) for a given primitive polynomial into the 'exponential' notation, which you can use with gfrepcov() to binary if you wish.Uses the gf2dec

  • 343 (All time)
  • 3 (Last 30 days)
  • 4.0 / 5
  • Community
  • 12 Feb 2012

reed solomon code

Version 1.5.0.0 by ahmed shehab

everything about RS generation and generation polynomial and encoding and syndrome

- galois field generation
- Multiply two elements over Galois field.
- Add two elements over Galois field
- Create Fast Fourier transform vector of Galois field.
  • 3.8K (All time)
  • 5 (Last 30 days)
  • 3.7 / 5
  • Community
  • 24 Feb 2011

Modular Inverse

Version 1.0.0.0 by G. Levin

Finds the modular inverse over finite (Galois) field.

MULINV(X,P) is a function that finds the modular inverse of vector X over finite (Galois) field of order P, i.e. if Y = MULINV(X,P)then (X*Y) mod P = 1 or Y = X^(-1) over field of order P.The input

  • 4.4K (All time)
  • 1 (Last 30 days)
  • 3.2 / 5
  • Community
  • 28 Nov 2007

Galois Field Library

Version 1.4.0.0 by David Blatsky

Library of Linear Algebra functions over Finite Fields

  • 380 (All time)
  • 2 (Last 30 days)
  • -- / 5
  • Community
  • 15 Aug 2014

Galois Counter Mode (GCM) Block Cipher using AES

Version 1.0.0 by David Hill

Encrypt/Decrypt a plaintext message using AES GCM.

Galois Counter Mode (GCM) Block Cipher using AES-128,192,256 based on the key length. Implimentation is based on NIST Special Publication 800-38D. Inputs: secretKey - AES secret key, hexidecimal

  • 182 (All time)
  • 5 (Last 30 days)
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  • Community
  • 2 Dec 2021

Network Coding Simulator

Version 1.0.0.0 by Chamitha de Alwis

A simple MATLAB based network coding simulator.

Network Coding simulations are performed on a simple butterfly network. Parameters such as link packet loss rate, network code rate, generation size, Galois field size and number of transmitted

  • 857 (All time)
  • 2 (Last 30 days)
  • 5.0 / 5
  • Community
  • 30 Oct 2015

A toolbox for simple finite field operation

Version 1.3.0.0 by Samuel Cheng

This is a toolbox providing simple operations (+,-,*,/,.*,./,inv) for finite field.

  • 829 (All time)
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  • 5.0 / 5
  • Community
  • 4 Sep 2012

Manual Reed Solomon (RS) Decoding Example

Version 1.0.0.0 by Colin O'Flynn

Follows textbook practice questions in MATLAB, showing 'manual' decoding.

See "Digital Communications" by Sklar as the reference for this. These MATLAB scripts answer questions 8.3 - 8.7, but using similar methods you might by hand. Includes generating Galois Field

  • 736 (All time)
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  • 4.0 / 5
  • Community
  • 26 Jan 2012

gfnull

Version 1.0.0.0 by Mark Wilde

simple routine to find the null space of a matrix over gf (2)

It is a bit surprising that the communications toolbox provides functionality for elements over gf(2), but it does not provide functionality for finding the null space of a matrix over the Galois

  • 899 (All time)
  • 4 (Last 30 days)
  • 3.0 / 5
  • Community
  • 3 Sep 2010

Reed Solomon Decoder using RiBM algorithm

Version 1.0.0.0 by Elliot Briggs

Demonstrates the RiBM algorithm used for "universal" Reed-Solomon decoding.

  • 754 (All time)
  • 3 (Last 30 days)
  • 3.3 / 5
  • Community
  • 1 Feb 2012

Sierpiński Proth Multiple Variable Non-quadratic Totient Mod

Version 1.0.0 by steed huang

Multivariate Polynomial Signature with a prime p is product of odd prime number q multiplied with a power x of two and then plus one.

prime Galois field GF(p) and two multivariate polynomials P and Q, if P is equal to Q modulo p‑1, then g to the power of P is equal to g to the power of Q modulo p. MPPK/DS is designed to make secret the

  • 5 (All time)
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  • 17 Nov 2022