AES-CTR as a Password-Hashing Function

2017 ◽  
pp. 610-617 ◽  
Author(s):  
Rafael Álvarez-Sánchez ◽  
Alicia Andrade-Bazurto ◽  
Ivan Santos-González ◽  
Antonio Zamora-Gómez
Keyword(s):  
Hashing Function

A letter oriented minimal perfect hashing function

1982 ◽  
Vol 17 (9) ◽  
pp. 18-27 ◽  
Author(s):  
Curtis R. Cook ◽  
R. R. Oldehoeft
Keyword(s):  
Hashing Function ◽  
Perfect Hashing

scholarly journals A Study on the Optimization of Blockchain Hashing Algorithm Based on PRCA

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Jinhua Fu ◽  
Sihai Qiao ◽  
Yongzhong Huang ◽  
Xueming Si ◽  
Bin Li ◽  
...  
Keyword(s):  
Supply Chain ◽  
Internet Of Things ◽  
Data Transmission ◽  
Reconfigurable Computing ◽  
Hash Function ◽  
Network Data ◽  
Supply Chain Finance ◽  
Hash Algorithm ◽  
Hashing Function ◽  
Hashing Algorithm

Blockchain is widely used in encrypted currency, Internet of Things (IoT), supply chain finance, data sharing, and other fields. However, there are security problems in blockchains to varying degrees. As an important component of blockchain, hash function has relatively low computational efficiency. Therefore, this paper proposes a new scheme to optimize the blockchain hashing algorithm based on PRCA (Proactive Reconfigurable Computing Architecture). In order to improve the calculation performance of hashing function, the paper realizes the pipeline hashing algorithm and optimizes the efficiency of communication facilities and network data transmission by combining blockchains with mimic computers. Meanwhile, to ensure the security of data information, this paper chooses lightweight hashing algorithm to do multiple hashing and transforms the hash algorithm structure as well. The experimental results show that the scheme given in the paper not only improves the security of blockchains but also improves the efficiency of data processing.

A FAST CHINESE CHARACTERS ACCESSING TECHNIQUE USING MANDARIN PHONETIC TRANSCRIPTIONS

1988 ◽  
Vol 02 (01) ◽  
pp. 105-137 ◽  
Author(s):  
C.C. CHANG ◽  
H.C. WU
Keyword(s):  
Main Idea ◽  
Chinese Characters ◽  
One To One ◽  
Hashing Function ◽  
Perfect Hashing ◽  
The Way

In this paper, we consider the problem of how to design a minimal perfect hashing function which is suitable for the Mandarin Phonetic Symbols system. Our main idea is inspired by Chang’s letter-oriented minimal perfect hashing scheme. By using our hashing function, 1303 Mandarin phonetic symbol transcriptions will be hashed to 1303 locations in the way of one-to-one correspondence.

scholarly journals Multi-level authentication protocol for enabling secure communication in IoT

2021 ◽  
Author(s):  
Khushal Singh ◽  
Nanhay Singh
Keyword(s):  
Secure Communication ◽  
Denial Of Service ◽  
Authentication Protocol ◽  
Communication Overhead ◽  
Simulation Environment ◽  
Dos Attacks ◽  
Multi Level ◽  
Two Phases ◽  
Hashing Function ◽  
Registration Phase

Abstract Internet of Things (IoT) is the domain of interest for the researchers at the present with the exponential growth in technology. Security in IoT is a prime factor, which highlights the need for authentication to tackle various attackers and hackers. Authentication is the process that uniquely identifies the incoming user and this paper develops an authentication protocol based on the chebyshev polynomial, hashing function, session password, and Encryption. The proposed authentication protocol is named as, proposed Elliptic, chebyshev, Session password, and Hash function (ECSH)-based multilevel authentication. For authenticating the incoming user, there are two phases, registration and authentication. In the registration phase, the user is registered with the server and Authentication center (AC), and the authentication follows, which is an eight-step criterion. The authentication is duly based on the scale factor of the user and server, session password, and verification messages. The authentication at the eight levels assures the security against various types of attacks and renders secure communication in IoT with minimal communication overhead and packet-loss. The performance of the method is analyzed using black-hole and Denial-of-service (DOS) attacks with 50 and 100 nodes in the simulation environment. The proposed ECSH-based multilevel authentication acquired the maximal detection rate, PDR, and QOS of 15.2%, 35.7895%, and 26.4623%, respectively in the presence of 50 nodes and DOS attacks, whereas the minimal delay of 135.922 ms is acquired in the presence of 100 nodes and DOS attacks.

Enhancing the Security and Performance of Cloud for E-Governance Infrastructure

2022 ◽  
Vol 12 (1) ◽  
pp. 0-0
Keyword(s):  
Large Scale ◽  
Governance System ◽  
Readiness Assessment ◽  
Cloud Data ◽  
Governance Model ◽  
Proposed Model ◽  
And Performance ◽  
Governance Infrastructure ◽  
Hashing Function ◽  
Distributed Infrastructure

E-Governance is getting momentous in India. Over the years, e-Governance has played a major part in every sphere of the economy. In this paper, we have proposed E-MODI (E-governance model for open distributed infrastructure) a centralized e-Governance system for government of India, the implementation of this system is technically based on open distributed infrastructure which comprises of various government bodies in one single centralized unit. Our proposed model identifies three different patterns of cloud computing which are DGC, SGC and CGC. In addition, readiness assessment of the services needs to migrate into cloud. In this paper, we propose energy efficient VM allocation algorithm to achieve higher energy efficiency in large scale cloud data centers when system on optimum mode. Our objectives have been explained in details and experiments were designed to demonstrate the robustness of the multi-layered security which is an integration of High secure lightweight block cipher CSL along with Ultra powerful BLAKE3 hashing function in order to maintain information security triad.

Evolutionary design of hashing function circuits using an FPGA

1998 ◽  
pp. 36-46 ◽  
Author(s):  
Ernesto Damiani ◽  
Valentino Liberali ◽  
Andrea G. B. Tettamanzi
Keyword(s):  
Evolutionary Design ◽  
Hashing Function

scholarly journals PROLISEAN

2021 ◽  
Vol 21 (1) ◽  
pp. 1-29
Author(s):  
Edy Hourany ◽  
Bachir Habib ◽  
Camille Fountaine ◽  
Abdallah Makhoul ◽  
Benoit Piranda ◽  
...  
Keyword(s):  
Autonomous Systems ◽  
Industrial Applications ◽  
Security Protocol ◽  
Distributed Architecture ◽  
Programmable Matter ◽  
Huge Number ◽  
Lightweight Cryptography ◽  
Different Shapes ◽  
Encryption Algorithms ◽  
Hashing Function

The vision for programmable matter is to create a material that can be reprogrammed to have different shapes and to change its physical properties on demand. They are autonomous systems composed of a huge number of independent connected elements called particles. The connections to one another form the overall shape of the system. These particles are capable of interacting with each other and take decisions based on their environment. Beyond sensing, processing, and communication capabilities, programmable matter includes actuation and motion capabilities. It could be deployed in different domains and will constitute an intelligent component of the IoT. A lot of applications can derive from this technology, such as medical or industrial applications. However, just like any other technology, security is a huge concern. Given its distributed architecture and its processing limitations, programmable matter cannot handle the traditional security protocols and encryption algorithms. This article proposes a new security protocol optimized and dedicated for IoT programmable matter. This protocol is based on lightweight cryptography and uses the same encryption protocol as a hashing function while keeping the distributed architecture in mind. The analysis and simulation results show the efficiency of the proposed method and that a supercomputer will need about 5.93 × 10 25 years to decrypt the message.

Multi-Pattern Boyer-Moore - Horspool Algorithm based Hashing Function for Intrusion Detection System

2013 ◽  
Vol 1 (2) ◽  
pp. 69-72
Author(s):  
Awsan A. Hasan ◽  
Nur’ Aini Abdul Rashid ◽  
Muhannad A. Abu-Hashem ◽  
Atheer A. Abdulrazzaq
Keyword(s):  
Intrusion Detection ◽  
Intrusion Detection System ◽  
Detection System ◽  
Hashing Function
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