Attribute-based encryption

T. Ignatenko (Inventor), M. Asim (Inventor)

Research output: PatentPatent publication

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Abstract

A system for attribute-based encryption comprises a first encrypter (11) and a second encrypter (12). The first encrypter (11) comprises an input unit (1) for determining a message and a policy over a set of attributes, wherein the policy comprises a plurality of components, and a first cryptographic unit (2) for generating an encrypted representation of the message and an encrypted representation of the plurality of components. The second encrypter (12) comprises a receiving unit (3) for receiving the encrypted representation of the message and the encrypted representation of the plurality of components, and a second cryptographic unit (4) for transforming the encrypted representation of the message and the encrypted representation of the plurality of components into an attribute-based encrypted message associated with the policy.
Original languageEnglish
Patent numberWO2014027263
Priority date17/08/12
Publication statusPublished - 20 Feb 2014
Externally publishedYes

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