Definition

Have you ever thought of a buffer overflow attack ? It occurs through careless programming and due to patchy nature of the programs. Many C programs have buffer overflow vulnerabilities because the C language lacks array bounds checking, and the culture of C programmers encourages a performance-oriented style that avoids error checking where possible. Eg: gets and strcpy ( no bounds checking ). This paper presents a systematic solution to the persistent problem of buffer overflow attacks. Buffer overflow attack gained notoriety in ....etc

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Definition

Have you ever thought of a buffer overflow attack ? It occurs through careless programming and due to patchy nature of the programs. Many C programs have buffer overflow vulnerabilities because the C language lacks array bounds checking, and the culture of C programmers encourages a performance-oriented style that avoids error checking where possible. Eg: gets and strcpy ( no bounds checking ). This paper presents a systematic solution to the persistent problem of buffer overflow attacks. Buffer overflow attack gained notoriety in ....etc

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This paper provides a heuristic algorithm for an NP-Complete problem. It is a result of a research on an NP-Complete problem known as Clique problem. I have succeeded in developing an algorithm which will give the maximum size Clique, for a given graph G, as its output. This paper explains the algorithm, its time complexity, applications and its implementation in C. This is a research paper based on an interesting class of problems known as ?NP-Complete? problems. No polynomial-time algorithm has yet been discovered for an NP-Complete problem, ....etc

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algorithm,Analysis of INSERTION SORT,Hiring Problem,Quicksort,knapsack problem,Greedy




1. What is algorithm? What are the characteristics of an algorithm? And explain designing methods of an algorithm with example.
Ans: Algorithm:
In mathematics, computer science, and related subjects, an algorithm is an effective method for solving a problem using a finite sequence of instructions. Algorithms are used for calculation, data processing, and many other fields.
Characteristics of an algorithm
Algo ....etc

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Definition
Reliable user authentication is becoming an increasingly important task in the Web-enabled world. The consequences of an insecure authentication system in a corporate or enterprise environment can be catastrophic, and may include loss of confidential information, denial of service, and compromised data integrity. The value of reliable user authentication is not limited to just computer or network access. Many other applications in everyday life also require user authentication, such as banking, e- commerce, and physical access contr ....etc

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problem statement for online shopping system ....etc

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