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METHOD AND APPARATUS FOR POLICY HIDING ON CIPHERTEXT-POLICY ATTRIBUTE-BASED ENCRYPTION
METHOD AND APPARATUS FOR POLICY HIDING ON CIPHERTEXT-POLICY ATTRIBUTE-BASED ENCRYPTION
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机译:基于密文策略属性加密的策略隐藏方法和装置
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摘要
Various embodiments relate to a method and apparatus for policy-hiding on ciphertext-policy attribute based encryption, the method including the steps of categorizing each of a plurality of attributes into a plurality of groups where each of the plurality of groups has a group attribute, inputting a policy and a message into an encryption algorithm and outputting a ciphertext; and encrypting an AND subtree in the policy and outputting a sub-cipher.
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