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Accountable authority key policy attribute-based encryption
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DOI：10.1007/s11432-012-4594-7.png)
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Abstract
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We present an accountable authority key policy attribute-based encryption (A-KPABE) scheme. In this paper, we extend Goyal's work to key policy attribute-based encryption setting. We first generalize the notion of accountable authority in key policy attribute-based encryption scenario, and then give a construction. In addition, our scheme is shown to be secure in the standard model under the modified Bilinear Decisional Diffie-Hellman (mBDDH) assumption.
Keywords:
accountable authority
key policy
attribute-based encryption
standard model
access structure
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