A. A. Karawia

Inversion of general tridiagonal matrices

Moawwad El-Mikkawy, A. A. Karawia · Applied Mathematics Letters · 2006 · 113 citations

General Tridiagonal Matrices, Inverse Problems, Matrix Method +2

An Algorithm of Image Encryption Using Logistic and Two-Dimensional Chaotic Economic Maps

Sameh Askar, A. A. Karawia, A. Al-khedhairi et al. · Entropy · 2019 · 69 citations · Full text

Hardware Security, Engineering, New Cryptographic Algorithm +12

Image Encryption Algorithm Based on Chaotic Economic Model

Sameh Askar, A. A. Karawia, Ahmad M. Alshamrani · Mathematical Problems in Engineering · 2015 · 50 citations · Full text

Plain Image, Engineering, Information Security +13

A new cryptographic algorithm via a two-dimensional chaotic map

Aesha Elghandour, Ahmad Salah, A. A. Karawia · Ain Shams Engineering Journal · 2021 · 45 citations · Full text

Encryption Algorithm of Multiple-Image Using Mixed Image Elements and Two Dimensional Chaotic Economic Map

A. A. Karawia · Entropy · 2018 · 42 citations · Full text

Hardware Security, Mixed Image Elements, Engineering +14