University of Kufa
السيرة الذاتية - د. نجلاء الصفار

د. نجلاء فلاح حميد الصفار

اللقب العلمي: أستاذ

الكلية: علوم الحاسوب والرياضيات

القسم: الرياضيات

الصورة الشخصية (صغيرة)

الملف الشخصي

Name: Najlae Falah Hameed Al Saffar
Scientific Degree: Prof.
Scientific Level: Ph. D.
Official Address: University of Kufa,
Faculty of Computer Science & Mathematics,
Department of Mathematics.
Email: [email protected]
Mobile: 0781 138 9068
Google Scholar: https://scholar.google.com/citations?hl=en&user=kI_V_E0AAAAJ
Researcher ID : D-2781-2018
Id ORCID: 0000-0001-5599-2885


Qualifications:
1. B. Sc. in Mathematics, Al Kufa University, 1999.
2. M. S…

عرض المزيد

الاهتمامات البحثية

  • التشفير
  • نظرية الاعداد
  • تشفير الصور
  • المنحنيات الاهليلجية

البحوث المنشورة

Image encryption based on elliptic curve cryptosystem

الباحث الأول: Zahraa Kadhim
الباحثين الآخرين: Najlae Falah Hameed Al Saffar
المجلة: International Journal of Electrical and Computer Engineering
تاريخ النشر: None
مختصر البحث:
Image encryption based on elliptic curve cryptosystem and reducing its complexity is still being actively researched. Generating matrix for encryption algorithm secret key together with Hilbert matrix will be involved in this study. For a first case…

MSB BASED IMAGE STEGANOGRAPHY USING MCELIECE CRYPTOSYSTEM

الباحث الأول: Haider Algelahawi
الباحثين الآخرين: Najlae Falah Hameed Al Saffar
المجلة: International Journal of Applied Sciences and Technology
تاريخ النشر: None
مختصر البحث:
Steganography is the science of embedding secret data inside data so they can be sent to destination security. Encryption algorithms used to save information from sly activities when sent from one device to another over the wireless network. In this…

Image Encryption Based on Menezes Vanstone Elliptic Curve Cryptosystem

الباحث الأول: Zahraa Kadhim
الباحثين الآخرين: Najlae Falah Hameed Al Saffar
المجلة: Solid State Technology
تاريخ النشر: None
مختصر البحث:
The encryption of images is quickly expanded as of late by the expanding utilization of the web and correspondence media, where the encryption techniques are the suitable methods to protect images from attacks. One of the important encryption techni…

A Survey on Elliptic Curves Cryptosystems

الباحث الأول: Ayat Waleed Khaled
الباحثين الآخرين: Najlae Falah Hameed Al Saffar
المجلة: Jour of Adv Research in Dynamical & Control Systems
تاريخ النشر: None
مختصر البحث:
Elliptic curves have been a subject of much mathematical study for the last century and there is a vast amount of literature accumulated on them. Recently, they have found application in the areas of cryptography. In this paper, we give a brief intr…

Public Key Cryptosystem Based on Graph Theory

الباحث الأول: Najlae Falah Hameed Al Saffar
المجلة: Journal of Engineering and Applied Sciences
تاريخ النشر: None
مختصر البحث:
This paper presents a new type of public key cryptosystem, send and receive a secure a written message using English letters frequencies and some properties of graph theory. Experiment results of this type of public key cryptosystem increased the le…

Steganography Algorithm Based RSA Cryptosystem

الباحث الأول: Najlae Falah Hameed Al Saffar
المجلة: Journal of Engineering and Applied Sciences
تاريخ النشر: None
مختصر البحث:
Nowadays, it is sometimes not enough to keep the contents of a message secret, it may also be necessary to keep the existence of the message secret, this is why we present in this paper a combination of cryptosystem algorithm and steganography. The …

Speeding up the elliptic curve scalar multiplication using non adjacent form

الباحث الأول: Najlae Falah Hameed Al Saffar
الباحثين الآخرين: Mohamad Rushdan Md Said
المجلة: Journal of Discrete Mathematical Sciences and Cryptography
تاريخ النشر: None
مختصر البحث:
Improvement in the implementation of elliptic curves cryptography and reducing its complexity are still being actively researched. The representation of integers in non adjacent form has been the subject of various investigations in slightly differe…

Speeding up the elliptic curve scalar multiplication using the window- w non adjacent form

الباحث الأول: Najlae Falah Hameed Al Saffar
الباحثين الآخرين: Mohamad Rushdan Md Said
المجلة: Malaysian Journal of Mathematical Sciences
تاريخ النشر: None
مختصر البحث:
Nowadays, elliptic curve based cryptosystem is an efficient public key cryptosystem, The very expensive operation in this cryptographic protocol is the elliptic curve scalar multiplication (elliptic curve point multiplication). Efforts have been mai…

High Performance Methods of Elliptic Curve Scalar Multiplication

الباحث الأول: Najlae Falah Hameed AL Saffar
الباحثين الآخرين: Najlae Falah Hameed AL Saffar, Mohamad Rushdan Md Said
المجلة: International Journal of Computer Applications
تاريخ النشر: None
مختصر البحث:
Elliptic curve scalar multiplication is the operation of successively adding a point along an elliptic curve to itself k times. It is used in elliptic curve cryptography (ECC) as a means of producing a trapdoor function. In this paper, algorithms to…

Improved Arithmetic on Elliptic Curves over Prime Field

الباحث الأول: Najlae Falah Hameed Al Saffar
الباحثين الآخرين: Mohamad Rushdan Md Said
المجلة: International Journal of Computer Networks and Communications Security
تاريخ النشر: None
مختصر البحث:
A fast point doubling and point addition operations on an elliptic curve over prime field are proposed. This occur when we use a special coordinates system (to represent any point on elliptic curve over prime field. Using this system improved the …

On the Mathematical Complexity and the Time Implementation of Proposed Variants of Elliptic Curves Cryptosystems

الباحث الأول: Najlae Hameed Al-Saffar
الباحثين الآخرين: MRM Said
المجلة: International Journal of Cryptology Research
تاريخ النشر: None
مختصر البحث:
The group of the elliptic curve points forms an abelian group, which is considered as a suitable choice for constructing a problem similar to the Discrete Logarithm Problem. This creates and opens a new door for treatments of the special group an…

Certain types of separation axioms in Tri-topological spaces

الباحث الأول: Najlae Falah Hameed نجلاء فلاح حميد
الباحثين الآخرين: Mohammed Yahya Abid محمد يحيى عبد
المجلة: Iraqi Journal of Science المجلة العراقية للعلوم
تاريخ النشر: None
مختصر البحث:
In this paper, we introduce and study new types of separation axioms in tri-topological spaces, where we defined it using new types of closed set but not necessarily closed sets. Several properties of these concepts are proved.

Proposed Developments of Elliptic Curve Digital Signature Algorithm

الباحث الأول: Sattar B Sadkhan
الباحثين الآخرين: Najlae Falah Hameed AL Saffar
المجلة: World Academy of Science, Engineering and Technology
تاريخ النشر: None
مختصر البحث:
The Elliptic Curve Digital Signature Algorithm (ECDSA) is the elliptic curve analogue of DSA, where it is a digital signature scheme designed to provide a digital signature based on a secret number known only to the signer and also on the actual mes…

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