Identity-based conference key broadcast schemes with user authentication

Jau Liang Chen, Tzone-Lih Hwang

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Two new ID-based conference key broadcast systems, which are very useful in constructing secure digital teleconference systems, are proposed in this paper. The conference key can be distributed knowing only the receivers' identities. Only one copy of the ciphertexts is required to broadcast to all users. The security of these new schemes is based on the difficulty of factorization, as well as that of computing the discrete logarithm modulo a composite number.

Original languageEnglish
Pages (from-to)53-57
Number of pages5
JournalComputers and Security
Issue number1
Publication statusPublished - 1994 Jan 1

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Law


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