PENG Changgen, WANG Weiru, TIAN Youliang, YUAN Zhilong. An Attribute-Based Signcryption Scheme and Its Application in Information Hiding[J]. Chinese Journal of Electronics, 2016, 25(4): 632-640. doi: 10.1049/cje.2016.07.007
Citation: PENG Changgen, WANG Weiru, TIAN Youliang, YUAN Zhilong. An Attribute-Based Signcryption Scheme and Its Application in Information Hiding[J]. Chinese Journal of Electronics, 2016, 25(4): 632-640. doi: 10.1049/cje.2016.07.007

An Attribute-Based Signcryption Scheme and Its Application in Information Hiding

doi: 10.1049/cje.2016.07.007
Funds:  This work is supported by the National Natural Science Foundation of China (No.61262073, No.60963023, No.61363068), China Postdoctoral Science Foundation (No.2013M530705), the Natural Science Foundation of Guizhou Province of China (No.20092113, No.20132112), the Special Foundation for Improving Research Condition of High-level Talents of Guizhou Province (No.TZJF-2008-33), and the Doctoral Scientific Foundation of Guizhou University (No.2007-040, No.2012-024).
  • Received Date: 2014-07-03
  • Rev Recd Date: 2014-08-13
  • Publish Date: 2016-07-10
  • In order to provide a secure, reliable and flexible way to hide information, a new attribute-based signcryption scheme based on ciphertext-policy and its security proof are presented. This scheme not only can simultaneously fulfil both authentication and confidentiality in an efficient way, but also implements a hierarchical decryption in one group and also between different groups according to user's authority (different users satisfying the same access structure can be considered as a group). We provide a solution to information hiding using our proposed scheme which can embed ciphertext into a carrier. Because the hierarchical decryption property, different users will obtain different message from the same carrier. Illegal user can not get any information without private key because message existed in the carrier is ciphertext. Such solution can be applied in sharing important message under the public network.
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