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  • 标题:Flexible Multi-Authority Attribute-Based Signature Schemes for Expressive Policy
  • 本地全文:下载
  • 作者:Dan Cao ; Baokang Zhao ; Xiaofeng Wang
  • 期刊名称:Mobile Information Systems
  • 印刷版ISSN:1574-017X
  • 出版年度:2012
  • 卷号:8
  • 期号:3
  • 页码:255-274
  • DOI:10.1155/2012/736764
  • 出版社:Hindawi Publishing Corporation
  • 摘要:

    Attribute-based signature (ABS) is a new cryptographic primitive, in which a signer can sign a message with his attributes, and the verifier can only known whether the signer owns attributes satisfying his policy. Moreover, the signature cannot be forged by any user not having attributes satisfying the policy. ABS has many applications, such as anonymous authentication, and attribute-based messaging systems. But many applications may require a user obtaining attributes from different authorities, which calls for multi-authority ABS schemes.

  • 关键词:ABS; multi-authority; trust; policy; tree; DNF; GID; central authority
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