Journal on Communications ›› 2012, Vol. 33 ›› Issue (12): 85-92.doi: 10.3969/j.issn.1000-436x.2012.12.011

• Papers • Previous Articles     Next Articles

EAEBHCM:an extended attribute encryption based hidden credentials model

Wei-jin GE,Xiao-hui HU   

  1. Institute of Software,Chinese Academy of Sciences,Beijing 100190,China
  • Online:2012-12-25 Published:2017-07-15

Abstract:

The identity-based encryption based hidden credentials has three problems that it can not supports 1-N communication,endures no identity fuzzy and lefts open to conspiracy crack.An extended attribute encryption based hidden credentials model(EAEBHCM) was presented in to solve these three issued which making use of attribute-set certificates and decryption accuracy threshold characteristics.After analyzed the relevant research,the architecture,the system structure,the two sides trust negotiation protocol,multi-party trust negotiation protocols and how the model to solve complex logical access policies of the extended model were described in detail.And the security of extended model was also analyzed.Through a typical access control scenario,the difference between old and new hidden credentials technology on the performance and security were analyzed,which clarified the advantages of the extended model.

Key words: attribute, encryption, hidden credentials, trust negotiation, conspiracy

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