Scalable group key management for secure multicast: A taxonomy and new directions

Sencun Zhu, Sushil Jajodia

Research output: Chapter in Book/Report/Conference proceedingChapter

19 Scopus citations


Many multicast-based applications (e.g., pay-per-view, online auction, and teleconferencing) require a secure communication model to prevent disclosure of distributed data to unauthorized users. One solution for achieving this goal is to let all members in a group share a key that is used for encrypting data. To provide backward and forward confidentiality [23] (i.e., a new member should not be allowed to decrypt the earlier communication and a revoked user should not be able to decrypt the future communication), this shared group key should be updated and redistributed to all authorized members in a secure, reliable, and timely fashion upon a membership change. This process is referred to as group rekeying.

Original languageEnglish (US)
Title of host publicationNetwork Security
PublisherSpringer US
Number of pages19
ISBN (Print)9780387738208
StatePublished - 2010

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality
  • Computer Networks and Communications
  • Information Systems and Management


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