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Umar Hayat
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2020 – today
- 2024
- [j19]Takreem Haider
, Saúl A. Blanco
A novel pseudo-random number generator based on multivariable optimization for image-cryptographic applications. Expert Syst. Appl. 240: 122446 (2024) - [j18]Takreem Haider
Substitution box generator with enhanced cryptographic properties and minimal computation time. Expert Syst. Appl. 241: 122779 (2024) - [j17]Naveed Ahmed Azam, Takreem Haider, Umar Hayat:
An optimized watermarking scheme based on genetic algorithm and elliptic curve. Swarm Evol. Comput. 91: 101723 (2024) - 2023
- [j16]Naveed Ahmed Azam, Jianshen Zhu
Towards provably secure asymmetric image encryption schemes. Inf. Sci. 631: 164-184 (2023) - [j15]Mohammad Abdul Mujeeb Khan
A novel deterministic substitution box generator over elliptic curves for real-time applications. J. King Saud Univ. Comput. Inf. Sci. 35(1): 219-236 (2023) - [i4]Takreem Haider, Saúl A. Blanco, Umar Hayat:
A Novel Pseudo-Random Number Generator Based on Multi-Objective Optimization for Image-Cryptographic Applications. CoRR abs/2307.03911 (2023) - 2022
- [j14]Umar Hayat, Ikram Ullah, Naveed Ahmed Azam
A Novel Image Encryption Scheme Based on Elliptic Curves over Finite Rings. Entropy 24(5): 571 (2022) - [j13]Fazal Abbas, Mubasher Umer
Trivial and Nontrivial Eigenvectors for Latin Squares in Max-Plus Algebra. Symmetry 14(6): 1101 (2022) - 2021
- [j12]Ikram Ullah, Naveed Ahmed Azam, Umar Hayat:
Efficient and secure substitution box and random number generators over Mordell elliptic curves. J. Inf. Secur. Appl. 56: 102619 (2021) - [j11]Naveed Ahmed Azam, Umar Hayat, Maria Ayub:
A substitution box generator, its analysis, and applications in image encryption. Signal Process. 187: 108144 (2021) - 2020
- [j10]Ikram Ullah, Umar Hayat, Miguel D. Bustamante
Image Encryption Using Elliptic Curves and Rossby/Drift Wave Triads. Entropy 22(4): 454 (2020) - [j9]Mubasher Umer
An Efficient Algorithm for Eigenvalue Problem of Latin Squares in a Bipartite Min-Max-Plus System. Symmetry 12(2): 311 (2020) - [c3]Adeel Shahzad, Hafiz Tayyab Rauf
Comparison of Probability Distributions for Evolving Artificial Neural Networks Using Bat Algorithm. AHFE (13) 2020: 97-104 - [c2]Shaban Zulfiqar, Safa Arooj, Umar Hayat, Suleman Shahid, Asim Karim:
Automated Generation of Accessible PDF. ASSETS 2020: 91:1-91:3 - [c1]Ali Mirza
Recognition of Cursive Caption Text Using Deep Learning - A Comparative Study on Recognition Units. ICPRAI 2020: 156-167 - [i3]Ikram Ullah, Umar Hayat, Miguel D. Bustamante
An efficient image encryption scheme based on ordered quasi-resonant Rossby/drift wave triads and Mordell elliptic curves. CoRR abs/2003.03394 (2020)
2010 – 2019
- 2019
- [j8]Umar Hayat, Shahid Amanullah, Shane Walsh, Mamoon Abdullah, Miguel D. Bustamante
Discrete resonant Rossby/drift wave triads: Explicit parameterisations and a fast direct numerical search algorithm. Commun. Nonlinear Sci. Numer. Simul. 79: 104896 (2019) - [j7]Naveed Ahmed Azam
Efficient construction of a substitution box based on a Mordell elliptic curve over a finite field. Frontiers Inf. Technol. Electron. Eng. 20(10): 1378-1389 (2019) - [j6]Umar Hayat, Naveed Ahmed Azam:
A novel image encryption scheme based on an elliptic curve. Signal Process. 155: 391-402 (2019) - [j5]Mubasher Umer, Umar Hayat
An Efficient Algorithm for Nontrivial Eigenvectors in Max-Plus Algebra. Symmetry 11(6): 738 (2019) - [i2]Ikram Ullah, Naveed Ahmed Azam, Umar Hayat:
Efficient and Secure Substitution Box and Random Number Generators Over Mordell Elliptic Curves. CoRR abs/1910.05576 (2019) - 2018
- [j4]Naveed Ahmed Azam
An Injective S-Box Design Scheme over an Ordered Isomorphic Elliptic Curve and Its Characterization. Secur. Commun. Networks 2018: 3421725:1-3421725:9 (2018) - [j3]Umar Hayat, Daniel López-Aguayo
Fixed Points of Automorphisms of Certain Non-Cyclic p-Groups and the Dihedral Group. Symmetry 10(7): 238 (2018) - [j2]Umar Hayat, Naveed Ahmed Azam, Muhammad Asif:
A Method of Generating 8 × 8 Substitution Boxes Based on Elliptic Curves. Wirel. Pers. Commun. 101(1): 439-451 (2018) - [i1]Naveed Ahmed Azam, Umar Hayat, Ikram Ullah:
Efficient Construction of S-boxes Based on a Mordell Elliptic Curve Over a Finite Field. CoRR abs/1809.11057 (2018) - 2013
- [j1]Miguel D. Bustamante
Complete classification of discrete resonant Rossby/drift wave triads on periodic domains. Commun. Nonlinear Sci. Numer. Simul. 18(9): 2402-2419 (2013)
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