A Survey on Different Techniques for Message Security and Authentication in Offline Chatting

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Provided by: International Journal of Computer Science and Mobile Computing (IJCSMC)
Topic: Security
Format: PDF
In today's world scenario, data security plays an important role where importance is given to authentication, confidentiality, integrity and non repudiation. The universal technique to providing confidentiality of transmitted data is cryptography. Here the authors use Group Key Management (GKM) in mobile communication where it is important to enable access control for a group of users. In GKM, a major issue is how to minimize the communication cost for group rekeying. While designing the optimal GKM, researchers have assumed that all group members have the same leaving probabilities and that the tree is balanced and complete to simplify analysis.
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