Filtering methods for broadcast authentication against PKC-based denial of service in WSN: a survey

2017 ◽  
Author(s):  
Farah Afianti ◽  
wirawan wirawan ◽  
Titiek Suryani
Keyword(s):  
Denial Of Service ◽  
Broadcast Authentication

scholarly journals ECM-IBS: A Chebyshev Map-Based Broadcast Authentication for Wireless Sensor Networks

2019 ◽  
Vol 29 (09) ◽  
pp. 1950118 ◽  
Author(s):  
Yuling Luo ◽  
Yunqi Liu ◽  
Junxiu Liu ◽  
Xue Ouyang ◽  
Yi Cao ◽  
...  
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Denial Of Service ◽  
Wireless Sensor ◽  
Message Authentication ◽  
Signature Generation ◽  
Chebyshev Map ◽  
Extended Chaotic Maps ◽  
Identity Based ◽  
Broadcast Authentication

As a basic and crucial security requirement for Wireless Sensor Networks (WSNs), authentication is generally used to prevent various communication attacks such as Denial-of-Service (DoS) attack. A novel broadcast authentication framework is proposed in this paper, where an Identity-Based Signature scheme by using the Extended Chaotic Maps (ECM-IBS) is designed to authenticate all broadcast messages and specifically, a chaos-based hash function is used for message authentication in the WSNs. It is implemented using a WSN hardware device of CC2530 and its performance is analyzed under various methods. Performance analysis and experimental results show that the proposed ECM-IBS scheme has a quick signature generation speed, low energy consumption and short verification delay, and can be applied to WSN applications.

scholarly journals Enhancing broadcast authentication in sensor networks

2021 ◽  
Author(s):  
Arayeh Norouzi
Keyword(s):  
Sensor Networks ◽  
Denial Of Service ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Critical Problem ◽  
Denial Of Service Attack ◽  
System Integrity ◽  
Service Attack ◽  
Broadcast Authentication ◽  
Performance Analysis And Simulation

Due to the nature of wireless sensor networks, security is a critical problem since resource constrained and usually unattended sensors are much vulnerable to malicious attackers that may impersonate the sender. Therefore authenticating received messages is a crucial matter to protect the system integrity. Generally used TESLA (Timed Efficient Stream Loss-tolerant Authentication) based authentication techniques involve consecutive delays for decryption purposes. These delays render the network vulnerable to different malicious attacks such as Denial of Service attack. As several techniques try to achieve immediate authentication to alleviate these threats, other factors such as reliability and buffer requirements may have been compromised. This project proposes an integration of Low Buffer ,uTESLA protocol and an immediate authentication protocol to achieve a new refined scheme in broadcast authentication in sensor networks. Performance analysis and simulation results demonstrate that the proposed method succeeds to achieve immediate authentication while preserving desired security and low memory requirements in sensor nodes.

scholarly journals Dynamic Cipher Puzzle for Efficient Broadcast Authentication in Wireless Sensor Networks

Sensors ◽  
2018 ◽  
Vol 18 (11) ◽  
pp. 4021 ◽  
Author(s):  
Farah Afianti ◽  
Wirawan ◽  
Titiek Suryani
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Denial Of Service ◽  
Quadratic Function ◽  
Zero Solution ◽  
Experimental Results ◽  
Wireless Sensor ◽  
Threshold Function ◽  
Dos Attacks ◽  
Broadcast Authentication

The use of signature-based broadcast authentication for code and data dissemination in wireless sensor networks (WSNs) cannot be avoided. It increases security but requires high computation. Adversaries can exploit the latter condition as an opportunity to send many false signatures. Filtering methods can overcome this vulnerability. Cipher Puzzle is a filtering method that has low storage overhead along with high security, especially against denial of service (DoS) attacks. However, its number of hash iterations cannot be bounded, which causes sender-side delay. This paper proposes a Dynamic Cipher Puzzle (DCP), which uses a threshold function to limit the number of hash iterations. Hence, time at the sender-side can be used more efficiently. Besides, its dynamic puzzle-strength increases the obscurity of the transmitted packet. Simulation and experimental results were analyzed with Arduino 2560. The theoretical results show that the quadratic function outperformed the compared methods. The scheme decreased sender-side delay by 94.6% with a guarantee of zero solution probability in 1.728 × 10 − 13 . The experimental results show that the consumption of resources at the sensor node increases with an acceptable value. Moreover, DCP increases the complexity for the attacker to implement probability and signature-based DoS attacks.

scholarly journals Enhancing broadcast authentication in sensor networks

2021 ◽  
Author(s):  
Arayeh Norouzi
Keyword(s):  
Sensor Networks ◽  
Denial Of Service ◽  
Sensor Nodes ◽  
Wireless Sensor ◽  
Critical Problem ◽  
Denial Of Service Attack ◽  
System Integrity ◽  
Service Attack ◽  
Broadcast Authentication ◽  
Performance Analysis And Simulation

Due to the nature of wireless sensor networks, security is a critical problem since resource constrained and usually unattended sensors are much vulnerable to malicious attackers that may impersonate the sender. Therefore authenticating received messages is a crucial matter to protect the system integrity. Generally used TESLA (Timed Efficient Stream Loss-tolerant Authentication) based authentication techniques involve consecutive delays for decryption purposes. These delays render the network vulnerable to different malicious attacks such as Denial of Service attack. As several techniques try to achieve immediate authentication to alleviate these threats, other factors such as reliability and buffer requirements may have been compromised. This project proposes an integration of Low Buffer ,uTESLA protocol and an immediate authentication protocol to achieve a new refined scheme in broadcast authentication in sensor networks. Performance analysis and simulation results demonstrate that the proposed method succeeds to achieve immediate authentication while preserving desired security and low memory requirements in sensor nodes.

HULK and DDoS Attacks in Web Applications with Detection Mechanism

2018 ◽  
Vol 6 (6) ◽  
pp. 192
Author(s):  
Amit Sharma
Keyword(s):  
Web Applications ◽  
Denial Of Service ◽  
Single Server ◽  
Distributed Denial Of Service ◽  
Ddos Attacks ◽  
Application Layer ◽  
Detection Mechanism ◽  
Plan Execution ◽  
Social Affair ◽  
Server Application

Distributed Denial of Service attacks are significant dangers these days over web applications and web administrations. These assaults pushing ahead towards application layer to procure furthermore, squander most extreme CPU cycles. By asking for assets from web benefits in gigantic sum utilizing quick fire of solicitations, assailant robotized programs use all the capacity of handling of single server application or circulated environment application. The periods of the plan execution is client conduct checking and identification. In to beginning with stage by social affair the data of client conduct and computing individual user’s trust score will happen and Entropy of a similar client will be ascertained. HTTP Unbearable Load King (HULK) attacks are also evaluated. In light of first stage, in recognition stage, variety in entropy will be watched and malevolent clients will be recognized. Rate limiter is additionally acquainted with stop or downsize serving the noxious clients. This paper introduces the FAÇADE layer for discovery also, hindering the unapproved client from assaulting the framework.

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