Cryptosystem for group oriented cryptography

Research output: Chapter in Book/Report/Conference proceedingConference contribution

24 Citations (Scopus)


A practical non-interactive scheme is proposed to simultaneously solve several open problems in group oriented cryptography. The sender of the information is allowed to determine the encyption/decyption keys as well as the information destination without any coordination with the receiving group. The encrypted message is broadcasted to the receiving group and the receivers may authenticate themselves for legitimacy of the infornation directly from the ciphertezt. The security of the scheme can be shown to be equivalent to the difficulty of solving the discrete logarithm problem.

Original languageEnglish
Title of host publicationAdvances in Cryptology — EUROCRYPT 1990 - Workshop on the Theory and Application of Cryptographic Techniques, Proceedings
EditorsIvan Bjerre Damgard
PublisherSpringer Verlag
Number of pages9
ISBN (Print)9783540535874
Publication statusPublished - 1991
EventConference on the Theory and Application of Cryptology, 1990 - Aarhus, Denmark
Duration: 1990 May 211990 May 24

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume473 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


OtherConference on the Theory and Application of Cryptology, 1990

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

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