A Novel Hybrid Cryptosystem Based Approach for Secure Multicasting for Dynamic Groups

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Provided by: International Journal of Engineering and Technology
Topic: Security
Format: PDF
In the recent past the group-oriented applications like conferencing, chat groups and interactive gaming gaining popularity. In theses group based applications myriad messages are sent from one or more sources to multiple users. Multicasting is the optimum technique for such group oriented applications with effective network resource utilization. But maintaining security is a critical issue in group oriented protocols with frequent membership changes. Confidentiality can be achieved through changing the key material, known as rekeying every time a new member joins the group or existing member leaves from the group.
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