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Software Puzzle: A Countermeasure to Resource Inflated Denial of Service Attacks
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Software Puzzle: A Countermeasure to Resource - Inflated Denial - of - Service Attacks

Category : Networking Project


Sub Category : JAVA


Project Code : ITJNW04


Project Abstract

Software Puzzle: A Countermeasure to

Resource-Inflated Denial-of-Service Attacks

 

ABSTRACT

 

In this paper, we study how to prevent DoS/DDoS attackers from inflating their puzzle-solving capabilities. To this end, we introduce a new client puzzle referred to as software puzzle. Unlike the existing client puzzle schemes, which publish their puzzle algorithms in advance, a puzzle algorithm in the present software puzzle scheme is randomly generated only after a client request is received at the server side and the algorithm is generated such that: 1) an attacker is unable to prepare an implementation to solve the puzzle in advance and 2) the attacker needs considerable effort in translating a central processing unit puzzle software to its functionally equivalent GPU version such that the translation cannot be done in real time.

EXISTING SYSTEM

           PROPOSED SYSTEM

EXISTING SYSTEM:-

The existing client puzzle schemes assume that the malicious client solves the puzzle using legacy CPU resource only.

However, this assumption is not always true. Presently, the many-core GPU (Graphic Processing Unit) component is almost a standard configuration

PROPOSED SYSTEM:-

Software puzzle scheme is proposed for defeating GPU-inflated DoS attack.

It adopts software protection technologies to ensure challenge data confidentiality and code security for an appropriate time period.

EXISTING ALGORITHM :-

Puzzle Algorithm

PROPOSED ALGORITHM :-

Cracking Data Puzzle Algorithm

ALGORITHM   DEFINITION:-

Software puzzle needs to create and load a new class, the user shall assign class creation permission for the puzzle, and otherwise, the new class cannot be executed in JVM.

ALGORITHM DEFINITION:-

The practical strategy of the attacker is to accelerate the brute force process by exploiting the parallel computation capability of GPU cores.

 

DRAWBACKS:-

An attacker can inflate its capability of DoS/DDoS attacks with fast puzzle solving software and/or built-in graphics processing unit (GPU).

Hardware to significantly weaken the effectiveness of client puzzles.

ADVANTAGES:-

The attacker needs considerable effort in translating central processing unit puzzle software to its functionally equivalent GPU version such that the translation cannot be done in real time.

Moreover, we show how to implement software puzzle in the generic server-browser model. to outsourcing any business onto a cloud.

 
 
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