Journal of Computer, Internet and Network Security ISSN: 2457-0176 (Online)

Author: Rashmi

Abstract: The internet has undoubtedly become a huge part of our lives. Many people in today’s generation rely on the internet for many of their professional, social and personal activities. In the modern era, evaluation of networking and wireless networks has come in information and communication technology; many things give the facility a chance to deal with this technology using the internet. At present each & everyone uses the advantage of internet. But, this may lead to several problems related to our data security, such as confidentiality, integrity, and availability, which can be termed as the three most important security goals. To be secured, information needs to be hidden from unauthorized access, protected from unauthorized change, and available to an authorized entity when it is needed. Thus, cryptography plays an important role in providing security to the networks and user data. In this survey paper, we have discussed the importance of cryptography regarding network security issues and the various methodology employed by cryptography.